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How do commercial HVAC systems work?

commercial hvac system on roof

What is a commercial HVAC system?

Owners of commercial buildings have a lot of expenses, much like owning a home, but more expensive.  The structure is larger, there is more electrical, more plumbing, the roof, and the commercial HVAC is larger too. So it is important that when anything on a commercial structure needs repairing or replacing, to get the best possible while staying within budget. This is especially so when it comes to the commercial HVAC

The HVAC system in your home is powerful enough for your home but is a compact size. A commercial HVAC has to cool and heat a larger space, and therefore it is larger and takes more space than a residential HVAC unit. This is typically why they are the roof top of commercial structures with flat roofing system. 

A commercial HVAC system is robust so that it can keep large areas comfortable like businesses, restaurants, schools, hospitals, etc. The parts within a commercial HVAC system are more robust as well, like these following key parts:

  • Thermostat: The temperature of the structure is controlled by the thermostat that is connected to the HVAC system. The thermostat signals the HVAC system to produce cool or heat air based on the thermostat setting.
  • Furnace: The biggest part of a commercial HVAC system is the furnace and keeps the interior of the building heated as set by the thermostat.
  • Heat exchanger: Located inside the furnace is the heat exchanger and heats the air that the furnace pulls into the HVAC system. .
  • Refrigerant lines: These are the lines that turn refrigerant substances inside the HVAC system into liquid form.
  • Ductwork and vents: The commercial hvac ductwork and vents are much larger than the those of a residential HVAC system that transfers the cooled and heated air throughout the building. 

What is the difference between commercial and residential HVAC?

While a commercial hvac and residential hvac system both serve cooling and heating to the structure, their mechanism and parts are similar yet different. The six biggest differences between residential and commercial HVAC systems are:

1.The Size

As we mentioned already, the size of a residential HVAC unit isn’t as large as a commercial HVAC system because of the space it needs to cool or heat. The components in a commercial HVAC system that differs the most are: 

  • Blower
  • Compressor
  • Condenser fan
  • Damper
  • Evaporator

2.The Placement

Your residential HVAC system has one part in the backyard or the side with another part inside the house, like a closet. A commercial HVAC system is installed on the rooftop of the building for several reasons:

  • Space saving.
  • Noise level. 
  • Maintenance and repairs. 

3.The Intricacy

A commercial HVAC system is larger than a residential HVAC systems and it is required to be flexible to the various sizes of building,  the occupancy level, and if the need for cooling and heating is periodic or constantly needed. 

4.The Drainage

Every component of a commercial HVAC system is larger than a residential HVAC unit including the drainage. A residential HVAC unit drains into a pan while a Commercial HVAC system has several drainage pipes and pans. 

5. The Equipment

The commercial HVAC equipment is customized to provide effective cooling and heating and cooling and is more intensive with different levels of humidity and temperature setting.  

6. The Maintenance Cost

Commercial HVAC maintenance is more expensive because of the bigger size and robust parts than a residential HVAC system. A commercial HVAC is more complex with a different mechanism set and requires more training and experienced contractor. 

What are the different types of commercial HVAC systems?

Any business should follow the unspoken rules of keeping the business comfortable for the employees and customers. This requires choosing a commercial HVAC system that fits the needs of the building size. Three options for choose from are: 

  • Single Split Systems: Popular among owners of enterprise-level businesses. 
  • Multi Split Systems: Operationally, there are several features in common, with the single split systems and functionally with the HVAC system. 
  • VRF Systems:  Ideal to cool and heat medium to large spaces, available as a heat pump system or heat recovery system.
close up commercial HVAC fan

How do you size a commercial HVAC system?

An experienced commercial hvac installer will be the better person to advise you on this matter. However, so that you are informed, use the following steps: Take the square footage of the area you’re cooling and heating and multiply it by 25 then divide by 12,000 and subtract minus 0.5. This will give the required tonnage to cool and heat the space needed. 

As a business owner, the purchase of a commercial HVAC system is an expense you don’t want to pay for again any time soon. So, how long do commercial HVAC systems last? The average is fifteen to twenty years with certain factors considered: 

  • The installation of the commercial HVAC system
  • Routine commercial hvac maintenance and upkeep
  • The climate and environment

Need help with your commercial HVAC system in Severn and Baltimore, MD? Call (410) 216-0077 today.

How do I maintain my HVAC yearly?

HVAC system

Maintaining your HVAC system

Your home is your biggest investment and within that investment are major components that are investments for your home. It only make sense to take care of all those component investments so that your biggest investment is in good condition. Components like the electrical, plumbing, roofing, and HVAC maintenance

Yes, the HVAC system is something that can be easily taken for granted, including the HVAC maintenance. What many homeowners do not realize is that the HVAC maintenance is as important as taking care of faucets dripping and gutter cleaning. Why is hvac maintenance worth it, what are the hvac maintenance benefits? 

The HVAC system is what keeps your home comfortable, it keeps your family and guests comfortable. With a routine professional HVAC maintenance schedule, there are important benefits and hvac maintenance facts that you may be taking for granted: 

Minimized Breakdowns

Unexpected and “not in the budget” emergency repairs are stressful for every homeowner and an HVAC system breaking down can be one those stresses.  With routine HVAC maintenance by a professional, we can’t guarantee you’ll never have an unexpected emergency repair, but you’ll minimize the chances  of that happening. 

During each HVAC maintenance appointment, the technician checks for any possible issues before they become a costly problem. The technician will perform a cleaning and tune-up that will keep your HVAC system in optimal working condition.

Saves Money

When your HVAC system is operating efficiently, it takes less energy for cooling and heating your home. That lowers your monthly utility expenses, and in addition, saves you money from unexpected repair bills from a HVAC breakdowns.

Longer Lifespan

Replacing a HVAC system is not cheap, so whether your home has an existing HVAC system or you recently purchased one, you don’t want to have to buy another anytime soon, right? With routine professional HVAC maintenance appointments, it will keep your HVAC system running smooth and could even extend the lifespan beyond the expected 15 year average. 

Cleaner, Healthier Air

When your HVAC system is dirty, it is exposing your home and family to dirty, unhealthy air. Having your air ducts professionally cleaned once or twice a year will keep the air cleaner. Inside that duct work, are contaminants like dirt, dust, and pet dander collect. Each time the air conditioning or heat turns on, the air is blowing across all that and into the air your family is breathing. 

Knowledge and Peace of Mind

With a routine professional HVAC maintenance schedule, you’ll get to know your HVAC company and they will get to know your HVAC system and you. So when there is an emergency, they are familiar with how your system is set up will often know what’s wrong by your description over the phone. With a HVAC maintenance agreement, you can have confidence that your system has been check by a professional and everything is in proper working order. 

What is HVAC preventative maintenance?

We just listed the benefits of a professional HVAC maintenance program, but what exactly is preventive maintenance include? A professional preventive HVAC system maintenance agreement will ensure that every component of the system is at full operating capacity . Research has found that with routine HVAC maintenance checks, you get all the benefits we mentioned, plus, the manufacturer of your HVAC system will typically require such HVAC maintenance in order to keep the warranty valid. 

The HVAC maintenance technician will perform several tasks including: 

  • Check refrigerant levels. 
  • Inspect for gas, oil, and refrigerant leaks.
  • Clean condenser coils  ensuring the proper air flow.
  • Tighten electrical connections.
  • Lubricate moving parts.
  • Test thermostat is cycling properly.
  • Change or clean air filter.

Many HVAC contractors offer service contracts that include two visits a year, spring, and fall, to make sure the air condition is ready for summer and the heating is ready for the winter. 

How often does HVAC need maintenance?

Most HVAC system manufacturers and retailers recommend a minimum of once a year for a professional HVAC maintenance check. The older the unit gets, usually by the 10th year, this should be increased to twice year,  and adjusted accordingly if repairs become more frequent. 

What is involved in HVAC maintenance?

In addition to the professional side of HVAC maintenance that we have discussed here, there are also maintenance steps that the homeowners should take as well. The basic steps are: 

  • Change or clean the air filters every 30 days.
  • Keep the air vents clear of obstruction, including the intake part of the unit.
  • Clean the condensation drain line.
  • Keep the condenser and evaporator coils clean.
  • Check the air ducts from the attic for disconnects and tears.

How long does HVAC maintenance take?

For the professional HVAC maintenance appointments, depending on the size of the house and the number of units, which most average homes only have one, you can expect the visit to take up to one hour or less.  If there are any issues or problems found by the technician during these appointments, it could take longer. 

white hvac system

What does HVAC tune up include?

In addition to hvac maintenance and cleaning, an HVAC tune up will include: 

  • Cleaning condenser coil
  • Calibrating the thermostat
  • IInspect oil and refrigerant levels
  • Check for oil and refrigerant leak
  • Examine and tighten all electrical parts
  • Check the blower motor and belt

These may seem small and insignificant, but collectively, they will keep your home and family comfortable with proper working HVAC system. Call (410) 216-0077 today!

What Is The Best Commercial Freezer?

What is the Best Commercial Freezer?

If you are in the market for a new commercial freezer, it is relevant for you to know that you have plenty of options on the market. To discover more, please read over the following list.

  • The Kelvinator KCNF180QW
  • The Arctic Air AF23
  • The Arctic AUC48
  • The Atosa MBF-8002
  • The SABA two glass door reach-in freezer
  • The Maxx Col MXF31F

Your local, expert HVAC repairman will have a list of recommendations for you based upon the specifications you desire for your freezer replacement.

commercial freezer

What is the Difference Between a Commercial Freezer and a Regular Freezer?

Are you looking to understand more about the difference between a commercial freezer and a regular freezer? If so, please read on. Residential refrigerators and freezers are smaller and more suited for household use. This is in contrast to commercial refrigerators and freezers, which are larger and more versatile. A household or residential freezer will be specifically designed to hold food for a family, whereas a commercial freezer will be able to hold food fit for a commercial operation such as a restaurant.

Is a Freezer a Good Investment?

Are you pondering whether or not a freezer will win out in a cost-benefit analysis? To that end, let’s explore some of the benefits. When you buy food, you want to keep it fresh as long as possible so that you can stretch times between when you need to go to the grocery store. Food keeps much longer in a freezer than in a refrigerator, which means that when you go shopping and put food in the freezer, it will keep fresher for weeks and months on end. Inevitably, this means that when food bargains arrive at your supermarket, you can buy more food and keep it stored fresher.

Many Americans have made the decisive choice to invest in a freezer for their home or property. Thus, if so many people are making this choice, it’s bound to benefit you as well, especially since you never know when there may be a crisis of some kind on the horizon.

How Long Does a Commercial Freezer Last?

Commercial freezer replacement will be necessary when your current freezer is old and experiencing sincere problems. These problems include failing to keep the proper temperature and freezer door disrepair. Nonetheless, it is important to understand how long commercial freezers last. If your commercial freezer takes a lot of wear and tear without maintenance, it won’t last as long as a well-kept commercial freezer. Commercial refrigerators should last at least ten years. With good upkeep and repairs, a high-quality model can last as long as fifteen to twenty years.

Does a Freezer Use a Lot of Electricity?

If you are worried that your new freezer will use a lot of electricity? If you weren’t already aware, the larger your freezer is will determine how much electricity it uses. For example, according to an internet user, their seven cubic foot chest freezer that is located in their garage uses an average of 1.1-kilowatt hours of electricity each day. During the winter, a kWh costs fifteen to eighteen cents depending on the time of day. During October through May, it can cost $4.68 per month. As a disclaimer, this is based on a 2017 estimate in an unspecified area of the country. More specific electricity cost measurements will depend on many extenuating factors that are related to your freezer unit and your area of the county.

What Temperature Commercial Freezer

If you want to have your commercial freezer operating at an optimal food storage temperature, then you will want to set your commercial freezer at or below zero degrees Fahrenheit. This will keep your food completely safe for consumption. This is possible due to the fact that bacteria will be prevented from growing at the frigid temperature. 

What’s a Commercial Freezer

Let’s get into what exactly a commercial freezer is. A simple definition of a commercial freezer includes the fact that commercial freezers are freezing machines used mainly by commercial business owners who are looking to freeze their products in order to increase the shelve life of their items.

Where to Buy Commercial Freezer

There are many different places for you to purchase commercial freezers. These locations include big box stores like Lowe’s and The Home Depot. You may want to shop around for the best price and product. Please be sure to consider shopping at more local stores in your area to support the economy in your town or city.

commercial freezer

Commercial Freezers

Commercial freezers have a large list of advantages and should be kept in good working order so that you can enjoy the benefits of your investment for years to come.

When you need a new commercial freezer in Severn and Baltimore, MD, you can count on Rocky HVAC. Please reach out to us at (410) 216-0077 today.

Do whole house humidifiers really work?

Humidifier in the home

Adding humidity to your air

Before we define what a whole house humidifier is and does it work, we’ll define exactly what a humidifier is first. A humidifier is an appliance that adds moisture into the air and prevents dryness usually associated with winter when houses are closed  up and for the winter with the heat on. 

For many people, that dryness irritates their lips, nose, skin, and throat. A humidifier is used for to ease cold and flu symptoms as well. It has been proven that a humidifier is good for asthma, and because a family member with asthma isn’t likely to spend all their time in one room of the house, a whole house humidifier is more beneficial to that person as well as the entire family and the home. 

Where a vaporizer provides warm, moisture in the air, a humidifier provides both cool and warm air in the form of vapor mist. This enables you to regulate the humidity that can make conditions worse for an asthmatic person. When using only a single portable humidifier, using a fan with the unit will circulate and spread the moisture air throughout the room. A whole house humidifier will do this through the HVAC system, spreading the treated air through the house, performing similar to a humidifier like a fan. 

What is the best humidifier for whole house?

As we described,, a humidifier adds moisture to the air, helping relieve the dry lips, skin, and throat that are common in the winter. For persons with asthma and other respiratory symptoms, a whole house humidifier can make a home more comfortable. There are many on the market, here, we list three of the most popular: 

Best Overall Whole House Humidifier: AIRCARE 5 Gallon Evaporative Humidifier

A top brand, this whole house humidifier by AIRCARE is a five gallon evaporative humidifier has proven to be a solid investment with performance and value. A modern, sleek unit that outputs 12.8 gallons per day for a 4,000 square foot home. 

Best Budget Whole House Humidifier: AIRCARE Space-Saver Whole House Evaporative Humidifier

Another model by AIRCARE, this six gallon water tank unit is good for homes up to 2,700 square feet, making it the best value compared to other brands. With a maximum 70 hour runtime ad compact size explains its popularity. 

Best Design Whole House Humidifier: Levoit LV600HH Hybrid Ultrasonic Humidifier

From Levoit, this whole house humidifier displays the humidity level, assisting in your adjustment of the settings by the digital control panel or use the remote control for convenience. With a six liter tank, continuous use of 36 hours and smart auto mode adjustment to achieve a suitable level, makes this unit the best design. If the display bothers you, there is an optional timer available to turn it off at night. 

Are humidifiers bad for House?

For all the good that whole house humidifiers do, they also can cause problems, but when you know what those dangers are, you can take steps to minimize them.

  • Mold: A whole home humidifier is going to add moisture in the air through the ductwork.  That moisture its distributed throughout your house, condensing on the walls and windows. Just like the moisture from a plumbing leak, if the moisture is excessive, mold will grow and with that come health issues.  
  • Rot: Along with mold from excessive condensation comes rot when that moisture is left unattended. That rot on boards in the attic and basement will delaminate the floor and roof boards, cracks develop, the wood gets thicker, soft, and pulpy. 
  • Staining: That condensation on the windows will spread to the walls and stain. This isn’t a reason to forgo getting a whole house humidifier, but you need to take precautions to avoid this from happening. 

What can you do to avoid these problems?  Have your HVAC and whole house humidifier system professionally cleaned at the same time the air ducts are cleaned. During the winter, once every 30 days is recommended. 

Do whole house humidifiers cause mold?

Yes, as we mentioned above, a whole house humidifier can cause mold. However, if used properly, following manufacturer’s instructions, along with professionally cleaning HVAC system and the whole house humidifier. Not only will doing those things avoid the mold issue, it also will ensure you get the most form your whole house humidifier and extend the lifespan of the unit. house

black humidifier in a nursery

How hard is it to install a whole house humidifier?

A whole house humidifier provide protection for your family from the dry air of winter heating.  Installation is relatively simple, attaching to the main stack  so the unit draws the water needed from a nearby water pipe. There are whole house humidifiers that are installed in the return-air duct, adding moisture to the air before it is heated. 

Are humidifiers worth getting? Definitely!  If there is anyone in your home that suffers from asthma or other respiratory issues, or you suffer from dry lips, nose, skin, or throat during the winter, a whole house humidifier can make winter more comfortable. When cold and flu season kick into gear, these units are particularly effective. You can use your whole house humidifier without essential oil or with essential oil, whichever way works best for you. Call (410) 216-0077 today for your whole home humidifier installation in Severn and Baltimore, MD.

How Do Heat Pumps Work?

heat pump system

What is a heat pump? 

We have electric cars, solar panels, and windmills that generate electricity for our homes. More commercial structures are going with green roofing in a way to minimize the heat island urban effect. So, as we look for better ways to live our lives as comfortably but sustainably, more homeowners are contemplating a heat pump installation.

It is a newer system to cool and heat a home using the natural resource of the Earth’s heat. So, the name ‘heat pump’ is somewhat confusing. With a heat pump installation, your home will be cooled or heated from the never-ending supply of heat inside the Earth’s core. How? A heat pump doesn’t generate heat, instead it absorbs heat from inside the earth and  when it is in the heating mode, transfers that heat indoors.  

Likewise, a heat pump installation can provide your home with air conditioning too. When the heat pump system is in the cooling mode, it cools the air through an outdoor component and then send it indoors. In general, it is pumping the heat out of the Earth and transforming it as dictated by the thermostat setting. 

What is cheaper to run a heat pump or gas furnace?

The initial upfront cost and installation of a gas furnace is less expensive than a heat pump installation. Yet, if you are looking for a way to cool and heat your home, in addition to the furnace installation, you’ll still need to source a way to cool your home. 

With a heat pump installation, you’re getting both a way to cool and heat your home with one installation. When the utility bills come in each month afterward, you’ll see the savings that a heat pump installation provides.

With that being said, it is important to realize that your needs aren’t the same as your neighbor’s needs, nor is living in Maryland the same as living in Arizona. What we mean is that deciding the best method for cooling and heating your home, these two general recommendations can provide you some guidance in deciding if a heat pump installation is right for your home:

A heat pump, A mild climate: In areas where the winters are mild and temperatures average between 30 to 40 degrees Fahrenheit, a heat pump installation would be perfect. 

A cold climate, A furnace: In areas where the winter can be a bitter cold most days with below freezing temperatures, a furnace is the better choice because it doesn’t rely on the Earth’s temperature. When the ground is covered in snow for days, weeks, maybe a month or more, the Earth’s temperature isn’t going to be warm. 

Where should I place my heat pump? 

The location for a heat pump installation is key to the system working efficiently. It will keep the operating costs down, extend the lifespan of the heat pump and be less obtrusive to your neighbors. 

The outdoor unit of the heat pump is considerably more susceptible to the elements, just a like the outdoor component of an HVAC system. It isn’t anything that isn’t manageable to work with though. Things to take into consideration for the outdoor component of your heat pump installation is the climate, the local weather, and your immediate surroundings (busy city street, a bedroom community, or by the ocean). 

Factors that should be considered with an exterior component of a heat pump installation:  

  • Ventilation: For a heat pump to work efficiently, it needs an open area that gets fresh air constantly. It should not be installed in the attic, a closet, or the garage. It must have fresh air at all times and should not be any closer than three feet to a wall and no less than four inches above the ground. A concrete base is recommended that is a vibration-proof base. 
  • Maintenance: The outdoor unit of a heat pump installation should be placed where accessibility is easy for maintenance service. It should not be installed near any bushes, flowers, shrubs, trees, or any other large equipment. 
  • Surroundings: As mentioned above, keep plants and other growths away from the outdoor component of your heat pump installation, nothing closer than eighteen inches. Do not mow or weed eat next to the unit so that it doesn’t block the airflow. Avoid installing near dusty driveways and roads. Do not install close to bedroom windows (yours or your neighbors), a fence can be built around the unit as long as there is a three-foot space around the unit.
  • Weather: Do have your heat pump installation where it will be in direct sunlight. 
  • Sea Exposure: Coastal conditions, on the beach near an ocean or sea are vulnerable areas for heat pump installation. The salty air can cause frequent breakdowns from corrosion. There is coating available and your heat pump dealer can discuss that option with you. There is a ground-source style heat pump as well. 

The indoor unit of a heat pump installation is important as well. There are three options for the indoor component. Which is best depends on the layout of your home and your needs. 

  • The wall-mount is the most common with the ductless mini-splits. This style of mounting provides superb coverage with moving air efficiently, but it does take a considerable amount of space. 
  • The ceiling-mounted type of heat pump installation is typically found in hallways and provide great coverage with the air going in multiple directions but at lower airflow. Ceiling-mounted heat pump installation takes longer than a wall-mounted option. 
  • The floor-mounted heat pump installation is not popular and takes longer than the ceiling-mounted option. They are more expensive for installing, but if the ceiling and wall space is limited, it is an option. 

Is it worth installing a heat pump? 

A heat pump installation will be a system equivalent to a same size air conditioner. A heat  pump won’t lose  any power when it is heater mode, and when it comes to cooling your home, it provides  superior cooling. When a heat pump installation is replacing a 10 to 15 year old air conditioner, it will have less operating costs and cooler air in comparison. 

Electric heating wastes energy during  on winter nights that are short but chilly. A heat pump only uses electric power for transferring the heat, not creating it, and distributing it. With this process, a heat pump is up to four times more energy efficient over an electric furnace. 

What are the disadvantages of a heat pump?

As we have covered here, comparing a Heat pump vs central heating system, the heat pump has great benefits. Like anything though, a heat pump installation has some draw backs too: 

  • Upfront cost is high but has a long term ROI and reduces the footprint of carbon emissions.
  • Install is difficult, starting with required research of heat movement, local geology, and meeting specific cooling and heating requirements for your home. 
  • Sustainability is still concerning because of environmental impact of the fluids used for heat transfer.
  • Heat pump installation requires a significant amount of work and can be disruptive to your home and garden. 
  • Cold weather is not friendly on heat pumps. Because a heat pump requires electricity, it isn’t 100% carbon neutral, but they are compatible with solar application. 
heating system

On Heat Pump Installation

A popular question about anything that cost money to have done, heat pump installation isn’t any different. so, are heat pump installations hard? Can you install a heat pump yourself? The answers in order asked are not really and yes, with some assistance.  Yes, knowing How to heat pump installation is one advantage a contractor will have over you doing it yourself, but there are advantages, the big one being money saving. 

Some things to keep in mind when you do your own heat pump installation: You’ll need a professional to install the refrigerant.  To transfer the heat from the heat pump, it needs refrigerant. Refrigerant still needs to be purchased and installed by a licensed professional.  The other thing is the warranty of the heat pump unit. The manufacturer may not honor the warranty if the heat pump installation was not done by a certified, licensed, professional. Call (410) 216-0077 today for your heat pump installation in Severn and Baltimore, MD.

How Do You Troubleshoot a Walk-In Freezer?

walk-in freezer repair

How Do You Troubleshoot a Walk-In Freezer?

Walk-in freezer repair can be critical if you are not able to find a solution through troubleshooting. Do you know how to troubleshoot a walk-in freezer? According to leading experts in the industry, the first thing that you should do is clean the walk-in cooler and walk-in freezer condenser coils. Next, you should check the fan motor and its electrical circuit. Reclaim any excess refrigerant. If any of these steps seem out of your comfort zone, it is always important to call a certified, insured HVAC professional. 

Why is My Walk-In Freezer Icing Up?

There are a number of different reasons why your walk-in freezer is icing up. Please review the following reasons to discover more.

  • If your walk-in freezer door was left open too long, it will cause your freezer to ice up.
  • If a gasket failure has occurred, it has happened because your freezer has old or damaged gaskets.
  • The door could be faulty. Freezer doors have a propensity to develop faulty hinges and bad door closers. A bad door closer would prevent the door from closing all the way.
  • Insulation issues. The insulation panel of your freezer could be saturated with water or ice if your freezer door is over ten years old.

The best way to find out what problems are occurring with your walk-in freezer is to consult with a licensed HVAC professional. 

Can You Get Locked in a Walk-In Freezer?

Are you wondering if you can accidentally get locked in a walk-in freezer? The answer may surprise you. As much as getting locked in a walk-in freezer is the fodder for an excellent plot in a melodrama, it’s not probable. All legal refrigerators and freezers can be opened from the inside. If you do not know where the latch is on your walk-in freezer is from the inside, it will be important to consult your owner’s manual.

Why Can’t You Open a Freezer from the Inside?

As previously mentioned, it is entirely possible for you to open a freezer on the inside. However, in old consumer freezers that are many decades old, this may not be possible. This is because they have a mechanical “latch” or “handle” on the outside. Since these units were originally designed only to hold food, there was no handle on the inside of the door that would allow it to be opened from the inside. Thus, if a person were to put themselves inside one of these old latch refrigerators, they could easily become trapped inside the unit.

How Do You Open a Stuck Freezer Door?

Is your freezer door hard to open? This may be because when the freezer door is opened, warm air rushes inside. When the door closes, all the warm air rushes to the evaporated, which in turn causes a vacuum. There are a couple of ways for you to loosen doors that are hard to open. These ways include rubbing paraffin wax or petroleum jelly on the hinge side of the door. 

Walk-In Freezer Repair

There are many different HVAC companies across the country. If you live in an area of the country that only has a few options in terms of walk-in freezer repair, it will be important for you to be discerning. Which company specializes in the service that you require? Are they certified and insured? Does the company have good reviews? These are all important considerations.

Walk-In Freezer Repair Service

If you run a commercial business and your walk-in freezer is displaying the critical signs and symptoms of failure, it will be important for you to get service as soon as possible. In such instances, it will be important to report the service as an emergency walk-in freezer repair. A good HVAC company will put you on the schedule and come by your property as soon as possible.

How to Repair Walk-In Freezer Floor

Do you need your walk-in freezer floor to be repaired? The first step to take before the freezer floor can be repaired is to have it thoroughly cleaned so that the repairs will be efficient. You can use a stiff bristle brush to loosen dirt and dust from interior fan units. After the floors have been thoroughly cleaned, you can call a repair company for your walk-in freezer floor.

walk-in freezer repair

How to Repair a Walk-In Freezer Door

There are a number of different ways for a walk-in freezer door to be repaired. Those repairs will ultimately depend on the source of the issue. In order to get to the bottom of your freezer door conundrum, it is important for you to schedule an appointment with a reputable HVAC company.

If you need walk-in freezer repair in Severn and Baltimore, MD, you need Rocky HVAC. We can always be accessed with a quick phone call to (410) 216-0077. We look forward to hearing from you.

Do home air purifiers really work?

home air purifier cleansing the air

Quality Products for Easy Living

Do you ever step outside for a breath of fresh air when you’re at home? Only to realize the air outside was fresher than the air in your home. Studies have found that the air inside our homes isn’t as healthy as we would like to believe. Which explains the increase in home air purifier sales!

Today, we fill our homes with furniture that has glue holding it together. We need a home air purifier for dust and other airborne allergens like bacteria, mold spores, pet dander, pet odors, and viruses. With times as they are now, with COVID-19, a homeowner should take every precaution possible to protect their family, and a home air purifier can help.

Where should I place my air purifier?

Single-room home air purifiers are portable and can be placed in any room where you spend most of your time.  With this portability, you can get the maximum benefits. You should position the unit three feet from furniture or walls so the air can circulate properly.

home air purifier

How long does it take an air purifier to clean a room?

Depending on the size of a room, most home air purifiers will clean a small room with thirty minutes and a larger room within two hours. The room size is a factor in how long it will take, as is the fan speed, and the purifying coverage of the home air purifier your purchase.

The box of the home air purifier you purchase should have the information on it. If you’re purchasing your home air purifier in a store, a salesperson could inform you, or you research the different brands and models of home air purifiers.

You want to choose a home air purifier that will fulfill the size of the room you intend to place it. If you choose a four speed unit, it can get the air cleaner faster than a two speed home air purifier.

To get the best out of the air purifier, we recommend running the unit at full speed for at least a couple of hours and switch back to lower speed to maintain the room quality standard.

“Do you leave air purifier on all day?” and “Should I sleep with air purifier on?” are two of the most commonly asked questions when a homeowner is shopping for a home air purifier. These are legitimate questions, and the answer is simple: a home air purifier should be left on 24/7/365.  Why?

Because airborne particles such as bacteria, dust, and pet dander do not stop while you sleep, nor do they take the day off. If you turn off the home air purifier, it has to start all over when you turn it back on. To keep the air clean in the room where you position the unit, leave the unit on.

If the energy useconcerns you, purchase a four speed home air purifier and turn it down to the lowest speed during the day. What may surprise you, a home air purifier uses no more energy than your home computer. If you want to turn something off to save on energy costs, turn your computer off.

Are air purifiers a waste of money?

No, a home air purifier is not a waste of money. If you spend money purchasing over-the-counter medications, doctor appointments, and prescription medication for allergies, breathing issues, or sinus infections, a home air purifier can minimize these expenses, maybe eliminate them.You can expect severalhome air purifier benefits like these:

1.    A home air purifier will ensure clean breathing air inside your home for your family. It is estimated by the EPA that the air in our homes is up to five times dirtier than the air outdoor.

2.    A home air purifier will remove odors like the fish you cooked on Sunday, the cat litter box, and even the popcorn your kids burned.

3.    Your pets release airborne allergens from their fur and pet dander and let’s not forget the odors pets generate! A home air purifier will help you combat these things by removing them before they settle and become trapped.

4.    Whether it is your husband’s cigars or the fireplace, a home air purifier will help neutralize that smoke odor before it settles in the drapes and furniture.

5.    A home air purifier will trap dust that finds its way into your home.

6.    Home air purifiers remove as much as ninety-nine percent of the airborne bacteria that is in your home. During cold and flu season, and in times like we’re living today with COVID 19, a home air purifier will cycle the air through internal filters repeatedly to remove those things.

7.    Nothing is a better friend in your home during allergy, cold, and flu season than a home air purifier. A true HEPA air purifier that uses UV bulbs will capture those airborne germs and neutralize them.

home air purifier

Closing Thoughts

A home air purifier and humidifier will serve two different purposes. While the home air purifier will reduce the allergens like dust, mold spores, and pet dander, the humidifier will keep the air moist, making any allergy or asthma symptoms less irritating.

There are several models of home air purifiers on the market. There are brands with a replaceable filter and there is a home air purifier with washable filters. The choice is yours, each claim to be better than others, but do your research before purchasing one to get what is right for you.

How Do I Fix My Walk-In Cooler?

walk in cooler repair

How Do I Fix My Walk In Cooler?

Is your walk-in cooler not cold? Have you suddenly realized that your walk-in cooler motor isn’t running? If so, you will either want to spend some time troubleshooting the issue or you will want to immediately contact a professional HVAC company for repairs. If you are wondering how to troubleshoot the issue, your first step will be to clean off any dirt and debris that may be building up on the coils. You will next need to check for any evaporator coil leaks. If the unit still isn’t working properly, the smartest and safest idea is to call an HVAC technician.

Can I Paint My Walk-In Cooler?

When you need a walk-in cooler repair, it will be important for you to call a professional HVAC repair company as soon as possible. But what about a good paint job for your walk-in cooler? The answer is very simple. The first thing that you should do is to check your local health codes and see what kinds of paint and processes are recommended. Next, you can visit a paint store and request advice. A moisture-cured urethane is a popular choice for the painting process. You will also need another kind of similar paint for the finishing coat. 

How Do You Seal a Walk-In Cooler?

Would you like to seal your walk-in cooler? Please review the following procedure, outlined in the bullet list below, to discover more.

  • The floor and ceiling perimeter joints will need to be caulked, so moving forward, all considerations should be oriented to address these panels.
  • Should the walk-in cooler have display doors, a bead of silicone can be run around the inside perimeter of the frame after the installation.
  • For the refrigeration and electrical lines, it will be important that they are sealed as well.

Does a Walk-In Cooler Need a Floor?

While it is true that walk-in coolers do not always require a floor, this truth will depend on where the walk-in cooler is installed. If a walk-in cooler has been installed indoors on a bare concrete slab, then a floor will not be necessary. If the property owner intends on moving heavy loads in and out of the walk-in cooler, then some adjustments may be necessary. In such instances, an insulated concrete pad with thermal breaks is recommended.

Can You Build a Walk In Cooler?

Are you thinking about construction for a walk-in cooler? If you haven’t already considered the expense, it will be necessary to do some research. On average, it can cost approximately three thousand dollars to build a walk-in cooler. This estimate will vary depending on the location. This estimate will include equipment and insulation. If you are considering rehabilitating your walk-in freezer to a walk-in cooler, then it will be necessary for you to invest in a new refrigeration system. This is because a new refrigeration system will enable the unit to be used in a different way.

Walk In Cooler Repair Near Me

There are many different HVAC companies across the country but in order to find one in your area that serves walk-in coolers, it will be necessary to conduct an internet search. Using relevant search terms such as “walk-in cooler repair near me”, you can find a list of companies near your location. After you have found a viable list of companies, the next thing that you should do is review their services and credentials. If a company has a good track record and is insured, that is a good first step. Because refrigeration units require some expertise, it will be important to select a professional company versus a handyman. 

Walk In Cooler Repair Service

One of the worst things that can happen in a commercial kitchen is for the walk-in cooler to fail. When this happens, it will be urgent to have an excellent refrigeration repairman on standby. One of the things that can help property owners is routine refrigeration inspections. It’s more cost-efficient to catch any necessary repairs before the refrigeration unit fails. Emergency HVAC bills can be prohibitively expensive. When repairs are established beforehand, the unit will run more efficiently and be more productive for commercial needs.

Walk-In Cooler Repair Company

When you do locate an excellent walk-in cooler repair company, it will be important to consider any other services that you can utilize. For instance, if your furnace has been having trouble, it may be a good idea to schedule an inspection. When you have a good walk-in cooler repair company, they will be able to recommend processes that will lengthen the life of your current cooler.

walk in cooler repair

Walk-In Cooler Floor Repair Near Me

Are you in need of a walk in cooler floor repair? The first thing that you should do is to make sure that the floor is clean and free of debris. Once you locate a professional company, they will be able to pinpoint the source of the problem.

If you need walk-in cooler repair in Severn and Baltimore, MD, our team can help. Please give us a call at (410) 216-0077 to receive qualified assistance as soon as possible.

What is Electric Heating in a Home?

Outdoor HVAC unit

Learn More About Electric Heating

There are many ways and methods of heating your home yet ones that have become more popular lately could be with radiant electric heating and other kinds of electric options. Essentially you can use the electrical systems you already use with your property and function it to where it will heat your home as well. With the many innovations seen with energy efficiency, this can indeed be a cost-effective way to heat your residence. It’s important to consider the details involved with each type of electric heating so that you can choose a heating option that will fit with your preferences. Get in touch with your local HVAC company today to discuss what can be beneficial for you. Here is some general information regarding electric heating that may prove useful in the meantime.

What does electric heating mean?

Electric heating has to do with a process of using electrical energy or currents that are then converted into heat energy. Common electric heating methods use water heating, space heating, and industrial processes. 

Electric Heating for Home

Electric heating can be applied to your home in several ways. You can use radiant heating in your floor, walls, and ceilings which can be enjoyable as they are quick options to heat a room. Here heat is applied directly to where it is placed through contact similar to stovetop heating where the surface is being heated and whatever comes in contact with that surface will be heated as well. A similar option to this is with hot water heating, aka hydronic, radiant floors often used in Asian countries. Another way you can use electric heating is with standard heat pumps which will take heat from the outside air using refrigerant and electricity to pump air into the property. You can either use compression heat pumps that run on electricity or absorption heat pumps that run on either electricity of combustion fuels like natural gas. Finally, electric furnaces can be used that work by using electric resistance heat coils to send heat through ductwork. As this is a forced-air system it’s important to regularly change air filters when needed.

Is electric heat efficient?

Electric heating is an efficient option in that it will use the energy used thoroughly to spread heat through rooms quicker than standard baseboards. 

What is the most efficient form of electric heat?

Infrared heating can potentially be the most efficient heating system as unlike other forms of electric heating, this system will warm the object and people directly instead of heating the air. This type of heating differs from convection heating systems used with central air systems and can be considered a more direct and instant approach to heating rooms.

How Electric Heating Elements Work

Electric heating will typically use a ribbon (corrugated or straight,) coil or strip of wire that will release heat about the same way as lamp filaments. The electric current will convert its energy passing through into heat which will radiate in all directions. This process is considered Joule heating where the current through the element will encounter resistance and therefore result in heating the element. Unlike the Peltier effect, this type of heating is independent of the direction of the current.

Can electric heating be cost effective?

Electric heating can be cost-effective with heat pumps and furnaces installed into the home and the fact that it can be used in conjunction with current electrical lines.

Worker installing heating cable for warm floor.

What is the cheapest way to heat your house with electric?

  • Infrared Heating Panels
  • Heat Pumps
  • Storage heaters
  • Solar PV
  • Solar Thermal
  • Biomass

Why is electric heating preferred over other types of heating?

Electric heating may be an economical option over other conventional heating methods which can be why they may be preferred. Installation costs and running the systems can be moderate and there can be automatic protection against abnormal behaviors with electric heating.

What are the advantages of electric heating?

Electric heating is an environmentally friendly option as it won’t rely on burning gas and subsequently sending carbon monoxide through the air which would be released into the atmosphere. Using electricity will preserve natural resources since fuel won’t be required and therefore emissions won’t be released. You won’t have to worry about emergencies with gas as it won’t risk gas leaks.

Is electric heating the future?

Electric heating can very well be used more often as energy-saving trust reports state that post-2020 dwellings with direct-acting electric heating can achieve similar CO2 emissions than those with A rated gas boilers. This is in part due to the decarbonization of grid electricity. 

Contact A Professional HVAC Company

Get in touch with your local HVAC company when you require services with your system such as electric heating system repair. There are many forms of getting heating incorporated into your home with electric heating only being one of them. It’s important to consider your options with a professional in order to see what type of system will work best for your home’s specifications and budget. With electric heating systems, you’ll be sure to conserve energy and get heat transferred throughout your home quickly and efficiently.

If you require assistance with electric heating in Severn and Baltimore, MD call (410) 216-0077 with Rocky HVAC!

What is the Average Cost of a Furnace Repair?

The inside of a furnace in need of repair

What can cause a furnace to stop working?

Were you searching the internet for “best furnace repair near me” and came across our website and this article? While this may not be the answer you wanted for “furnace repair near my location”, we believe we have some answers to commonly asked questions that may help you. Please keep reading and even if it doesn’t help you right now with your furnace repair needs, maybe it will at a later date. We will start with the biggest question:

Dirty filters clog a furnace fast and can cause it to shut off and stop working. Many furnace repairs calls could have been avoided if the air filter was replaced or cleaned regularly. Why? The furnace needs air to flow through the filter freely so it can blow over the heat exchanger and into the vents to each room in your home.

When the filter is filled with debris, dirt, and dust, the air can’t flow through it. They design furnaces today to shut off when things like airflow aren’t right so that the furnace doesn’t overheat and catch on fire.

How do you fix a furnace?

We will provide some simple steps that any homeowner can do or should learn to do if they don’t know how yet. These steps could keep you from making a phone call to a furnace repair technician and save you some money and keep your home warm without interruption.

  • The Thermostat: Make sure the thermostat setting is on “heat”, and if there isn’t any heat coming out of the vents, replace the battery. Then check the setting on the thermostat and compare it to the room temperature. Move the thermostat up 5 degrees and see if the furnace turns on. If you have a programmable thermostat, make sure it is on the right day and time.  If there is still no heat, trace the wires from the thermostat to the furnace for any breaks. If you find one, splice it together and tape it up. Using a hairdryer on cool, blow out the thermostat to remove debris and dust, then replace it, making sure you attach it firmly and level.
  • Breakers & Shut Off Switches: This may sound impossible, but many furnace repair calls have the result the technician finds is the furnace wasn’t turned on to start with. Your furnace may have a wall switch close to or on the furnace. Check the circuit breaker for the furnace and make sure the blower motor’s front panel is securely closed and fastened. 
  • The Filter: As we mentioned earlier, a clogged filter can cause a furnace shutting off. Either replace it or clean it, depending on which type of filter you have. This is one of the simplest problems that most furnace repair calls end up being.
  • Blocked or Leaking ducts: Check all the ducts for blockage and clear the blockage out. Check for leaks and mend those leaks with cloth duct tape.
  • Gas and Pilot Light: If your furnace is gas-operated, make sure you turn the gas valve to the on position, and the furnace is getting gas. If all seems in place, then check the pilot light and if it has gone out, re-light it. This can save you money on an unnecessary gas furnace repair call.
  • The Exhaust Flue: Birds and other critters will nest in the chimney exhaust flue because of the warmth. If you find a next in there, with the furnace off and thermostat down as far as it goes, take the duct apart and remove any blockage. Then reassemble it, learning how to repair furnace vent pipe with vent tape available at any big box home improvement store or hardware store.
  • Check and Flush Drains: One day of heat can add gallons of water to a high-efficiency furnace. When the drain lines become clogged with mold and sediment, it can cause the furnace to shut off – again, a safety feature. Remove the drain hose and clean it with bleach and water mixture in a 25:75 ratio and flush it out with clear water afterward.
  • Heat Pump, Exhaust, Intake Vents: If you find something blocking the exhaust or intake, clean it off. If there is ice on the pipes causing the clog, call a furnace repair technician.  This is more than an inexperienced homeowner can repair. If your home has a heat pump, make sure there isn’t any grass and/or leaves covering the outdoor unit.

How do I know if my furnace motor is bad?

They build furnaces hardy and sound, meant to withstand the dealings of winter. They typically require little maintenance or repair, but inevitably, they all will fail at some point. Many furnace repair calls find that the furnace motor has overheated, which may or may not mean it has gone out. Some of those clear signs it is overheating are:

  • A burning or hot smell coming out of the vents. This is sometimes accompanied by the furnace has shut off and if it hasn’t it will.
  • Loud unusual noises like humming coming from the furnace. The motor may be overheated, but it may still have enough power to start but it can’t turn. It generates excessive heat from the frozen motor, and it hums.
  • The furnace has cycled off and won’t restart without pushing the reset button. This is a sign that it is shutting off as safety, and usually, the motor has overheated.

How much does it cost to replace a furnace motor?

Nationwide, replacing the blower motor in a furnace can cost $400 to $600, this is labor and parts. The cost of a single-speed blower motor is around $450 along, while a variable speed blower motor can cost upward of $600 or more.

opening a gas furnace to start repairs

What is the average cost of a furnace repair?

If the blower motor isn’t part of the furnace repair, the average cost is between $130 to $400 with $250 being the median cost. Some furnace repair costs can be as much as $1,000 depending on the problem.

The furnace is an important part of your home, especially in the winter months. Taking the time for general maintenance year-round, especially changing of the filter, is important and will minimize the need to make furnace repair calls for the smallest issues. When it comes to finding “an RV furnace repair near me”, you can do the same with an Internet search, but the furnace repair technicians for your home furnace will not be the same ones for your RV.  Call (410) 216-0077 today for your furnace repair in Severn and Baltimore, MD.