Your home’s HVAC system is more than just equipment, it’s the lungs, heart, and brain of your house. In the opening episode of this mini class series, Renee Broussard, CEO of Airelytics LLC, uses vivid body analogies to make HVAC simple and memorable. You’ll see how each component works together to keep your home “breathing” healthy air and pick up helpful tips, such as asking for before-and-after service photos and spotting early warning signs when something’s not right. This foundational episode sets the stage for the rest of the series and gives you the tools to better understand and care for your home’s HVAC system.
In this mini class, you’ll learn:
What an HVAC system is and how it functions like parts of a body. (3:44)
How the thermostat is like a brain. (5:51)
How the outdoor condensing unit is like sweat glands, the fan like a breeze, the condenser coil like skin pores, the compressor like a heart, and the refrigerant like blood. (6:14)
How the indoor unit is like lung muscles, the evaporator coil and drain pan like skin that sweats, the condensate line like a bladder, and the fins absorb heat. (7:20)
How the air handler’s blower fan is like lungs and the filters like nose hairs. (9:14)
How return ducts are like veins, the return plenum like heart chambers, and the supply plenum like arteries. (9:55)
How ductwork, grilles, and registers are like the nose, mouth, and throat, plus the different types of each and where they are found. (11:20)
What a damper is and how it functions like blood flow control. (13:18)
How heating works, how the heat exchanger is like muscles, the furnace like the belly’s food burner, and warm air in the ducts like blood traveling through arteries. (14:22)
How air conditioning works, with refrigerant and the compressor at the core and the expansion valve like tiny arteries. (16:55)
Renee’s top HVAC maintenance tips, including how photos can help track system health. (19:46)
Download the transcript here.
Watch More Episodes From Our HVAC + D Mini Class Series here:
https://changetheairfoundation.org/understanding-hvac-d/
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