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August 30, 2026

Is Your Home’s Air Quality Bad? I Tested Mine for 4 Days

Elise Orr wanted a real answer, not a guess, to whether her own home's air was healthy or not. In this video, she unboxes and sets up the AprilAire ZAWTHCPV Wi-Fi Healthy Air Monitor in a 1400 square foot Florida home built in the 90s, tracking particulate matter, VOCs, CO2, humidity, and temperature around the clock.

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Condensate Switch Controversy
Condensate overflow prevention devices, or float switches, as they are often called, are such simple devices that you wouldn’t think there would be much room for controversy. In my experience, there are few areas of the trade where technician and installer preferences and opinions vary greatly. Let’s start with some float switch basics. Float (condensate) […]
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Does Mass or Volume Move Heat?
I once heard someone say, and I have since repeated many times, that BTUs ride on the back of cubic feet of air (CFM). As I’ve learned more, I’ve come to the conclusion that the weight or mass of the air passing over the evaporator coil is far more important to understand both in terms […]
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Avoiding and Eliminating Callbacks
Callbacks are horrible. They kill the trade from every possible angle. They destroy customer satisfaction and reduce technician morale by causing long hours, resulting in unprofitability for companies and overall less earning opportunity for everyone. Possibly worse of all, callbacks tell customers that you are no better than their cousin the maintenance man, or worse, […]
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