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November 26, 2025

Crankcase Heater Wiring | SureSwitch vs Standard Contactors

Master the essentials of crankcase heater wiring in this HVAC training video. Learn how White-Rodgers SureSwitch contactor by Copeland (Model 49M11-843) compares to standard contactors and why proper installation is critical for compressor longevity.

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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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Why the Sauna Feels Hotter When You Throw Water on the Rocks
I admit it, I'm a sauna guy now. The ones at the gym are pretty gross, so I got a small one at home because I guess I’ve missed sitting in attics or something. If you’ve ever sat in a traditional sauna, you know the drill: the heat’s already intense, and then you or someone […]
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