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530,279 results
In this video we look at the basics of a HVAC system. Looking at models of a typical system and showing photos and videos of real ...
1,445,686 views
7 years ago
In this HVAC Training Video, I show How to Read Gauges, Measure Refrigerant Pressure, Convert to Saturated Temp, Check the ...
543,310 views
3 years ago