Sep 20, 20231 minUNCONFORMED Review (Quick Tip)I just finished reading the book Unconformed, by Bryan Orr, from HVAC School. I invested about 5 hours spread over three days and let me...
Aug 4, 20231 minThe Directional Flow of Refrigerant in a Heat Pump During AC Mode (Quick Tip) (This image is courtesy of our friend JD Kelly @student_of_hvac) In this refrigerant flow diagram, we see a simplistic piping arrangement...
Aug 4, 20232 minSimple Low Voltage Thermostat Wiring to Control an Indoor Blower Motor (Quick Tip) (This image is courtesy of our friend JD Kelly @student_of_hvac) This drawing shows how a low voltage wiring circuit can control a high...
Aug 6, 20201 minWhy Do Some Evap Coils Leak While Others Do Not? (Quick Tip)Why do older coils seem to last a long time but ones that are only 10 or 15 years old leak? Energy transfer efficiency was not as much of...