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Where does my HVAC Pull Air From?

If you’re like many, you hope and pray your HVAC unit works- but you don’t really know how it works. Because it is so important to your health and happiness, you should take the time to learn a little about it. It’s easier to keep it in top shape if you know how the machine works.

JD Moehler has been helping Savannah, GA homeowners with all HVAC requests for many years. We get a lot of questions on our service calls. One of the most common is “Where does my HVAC pull air from?” Let’s answer this question now:

The simplest way to answer the question of where the air comes from is to say “from inside your home.” The same air is cleaned, either heated or cooled, and recirculated- again and again. The air is dispersed through your house via ductwork and in-room vents. Once the temperature is set at the thermostat, cold air from the home is pulled into the system where it passes through the air filter, removing allergens like pollen and dust.

Although part of your home’s HVAC system is located outdoors, it doesn’t use outdoor air to heat and cool the home. That is good news! Most often, there is a unit that produces cool air and a furnace that produces warm air. The air conditioner unit is often placed outside of the house itself and contains a condenser coil and a compressor. Inside the home is an evaporator coil that is connected to the furnace. To produce the cooled air you so desperately need during the summer months, this compressor pumps refrigerant.

Our area of Georgia is very hot during the summer and quite cool during the winter, so your HVAC unit does double duty. To keep your home cool during the hot, humid months, the indoor evaporator coils on the unit will transfer heat energy to the coils. These coils have refrigerant in them, which then cools the air. The refrigerant flows through tubing back to the compressor and the cooling air process starts again. During this incredible process, heat is actually absorbed by the refrigerant, which is blown outside of the home. During the cool months of the year, your furnace gets to work. Essentially, it works the same way but exactly the opposite. It has burners on it that generate combustion gases. These gases pass through to the heat exchanger. As air flows over them, it is warmed and then flows through air ducts to the different rooms in your home. It’s hard to believe that the same unit that makes it nice and cool inside over the summer can also keep it warm and toasty during the winter months, but that is what a properly-running HVAC can do!

Understanding how the HVAC system works can give you a better understanding of how to maintain optimal energy efficiency in your home. Hopefully, you now understand a little bit more, including where the air is actually pulled from. For any other questions or to book a service call, reach out to JD Moehler! We offer 24/7 emergency repair service to best serve our community. Call us at (912) 445-2069 to get started. Soon, your Savannah, GA HVAC problem will be a thing of the past!

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Contact Information:

Telephone: (912) 445-2069

Location:

10275 Ford Ave, Suite C
Richmond Hill, Ga 31324
We also serve: Pooler GA & Savannah GA

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