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Robert HVAC/R Evacuation Quiz June 26, 2021, 12:00 pm
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Is Liquid Incompressible?
Compressibility is the ability of a substance to be squeezed into a smaller volume. It is the change in volume and increase in density that results from an increase in pressure. The subject of compression should be familiar to HVAC techs. After the return air passes over the boiling refrigerant in the evaporator coils, the […]Read more
Drain Cleaning Protocol
This article is primarily based on HVAC School’s “Drain Cleaning – More To It Than We Think,” hosted by Bryan Orr and featuring Corey Cruz and Mike Klokus. You can listen to that episode HERE. How hard could it be to clean a drain? The slime should just wash away if you flush the drain […]Read more
The Basic Residential Maintenance for a Heat Pump / Electric Systems
I need to warn you… The following list is the actual process we use at the company I own for our typical “standard” residential maintenance. I'm sure you will find some things you do differently. Take it for what it is, and I'm happy to get any feedback you may have. Read the call notes, […]Read more