Your Guide to the Parts of a Residential HVAC Unit

This video is designed to help homeowners learn more about their HVAC system. Homeowners need to understand the basics of their Heating, Venting, and Air Conditioning systems. Even if you never make repairs to the system yourself, it will help a lot when it comes time to talk to your residential HVAC contractor.

Every HVAC unit is going to have two main “pieces”; an inside and an outside unit. The outside unit is typically located on the side of the home and consists of the condenser coil, compressor, and fan. The inside unit is typically found inside a closet and consists of an air handler, furnace, and evaporator coil. You’ll also find a thermostat unit installed on a wall.

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The thermostat is attached to a sensor that reads the temperature in the home. When the temperature gets above the temperature set on the thermostat, the thermostat will turn on the HVAC system. Warm air is sucked in through the inlet vents when this occurs. The air is cooled by the HVAC units and then spread through the home via the ductwork.

Ductwork is located throughout the home and is accessible to contractors. Each duct should have a vent cover. If you have further questions, a professional would be able to help you.


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