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December 3, 2025

Why Compressors Fail: Diagnosis, Replacement & Prevention

In this comprehensive HVAC training video, we explore why compressors fail and provide expert guidance on diagnosis techniques, replacement procedures, and prevention strategies to avoid costly callbacks.

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Why the Breaker Size May Be Lower than the MCA (and Why That's NOT Necessarily a Code Violation)
This HVAC system we recently installed has been causing quite a bit of trouble for us with inspectors. If you look at the label, you will see that the breaker size is 25 amps, and the minimum circuit ampacity (MCA or wire size) is 29 amps. The MOCP (maximum overcurrent protection, max fuse, or max […]
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Set Inverter Technology Up for Success in Humid Climates
This tech tip about humidity control, particularly as it relates to VRF systems and others that use inverter technology, is a companion piece to a podcast episode with Roman Baugh. You can listen to that podcast episode HERE. Those of you who work in humid climates and install or repair ductless systems are probably well […]
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Why Airplanes Fog Up Before Takeoff
Every once in a while, especially on humid days, you’ll sit on an airplane waiting for takeoff and see fog pouring from the ceiling vents like a low-budget concert. Someone always panics and asks if something’s on fire. It’s not smoke—it’s condensation. You’re looking at thermodynamics and psychrometrics in action. So, why does it happen, […]
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