How Does an HVAC System Work?

February 16, 2020

Unless you experience an issue with your HVAC system, you probably don’t spend much time thinking about how a few taps on a thermostat results in warm or cool air flowing throughout your home. By understanding your HVAC system more completely, though, you can have a greater appreciation for the comfort of your Dayton home and participate in the ongoing care of your HVAC system more fully. Here is a basic explanation of how an HVAC system keeps your home at just the right temperature: It Starts With a Signal Resistive metals in your thermostat sense the temperature in the room. When the air temperature drifts away from the set temperature, the thermostat sends an electrical signal to your HVAC system that starts the necessary components. For a furnace, this includes the gas valve, the flue exhaust and the blower fan. For an air conditioner, this includes the condenser and the blower fan. The blower fan must run anytime the system is on. This component pulls air in through the return vents and sends it cycling through the system. Clean, Moving Air As air is drawn in, it first passes through an air filter. This removes large dust particles and...

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