What an HVAC System Is and How It Works

If you’re like a lot of homeowners, you don’t think about your heating, ventilation and air conditioning (HVAC) system too much. However, this important system in your home performs a lot of different functions. Each home may have a slightly different HVAC system and setup, and it is important to have a basic understanding of how the types of equipment work. Furnaces People who live in places that have cold winter weather typically have a furnace for heat. A furnace uses a fuel such as natural gas. A pilot light in the burner chamber ignites the natural gas, producing a flame and heat. An air blower moves air that captures the heat. The heated air passes through an air filter and makes its way into your home’s air ducts. The air ducts end with vent openings. These openings allow the warm air to enter your home’s living spaces. Heat Pumps Homes located in moderate climates often have a heat pump instead of a furnace. A heat pump operates on electricity. It has an outdoor compressor and an indoor condenser. During the wintertime, the heat pump captures heat from the outdoor air. A chemical refrigerant absorbs the heat. It heats air...

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