Get Tech Tips
Subscribe to free tech tips.
Johnny Williams Basic Refrigerant Circuit Course June 8, 2021, 12:08 am
Related Tech Tips

An important rating on motors is the AMBIENT temperature rating that the motor can operate at. This rating refers to the temperature of the air around the motor, not the temperature of the motor itself or even the temperature of the outdoor air—since the motor is often in a condenser air stream that is higher […]
Read more
Air changes per hour (ACH/ACPH) simply describes how many times the quantity of air in a room (or structure) is completely replaced per hour. If you have a 10'x10'x10′ room, the room contains 1000 cubic feet of air. If the supply and return to the room is supplying a balanced 100 CFM (cubic feet per […]
Read more
My grandfather is a really interesting guy. He grew up working in the Pennsylvania coal mines starting at the age of 7 or 8 and then worked as a well driller, was a plumber, went to HVAC school, did some gas work, worked a while as an electrician, became a welder, then was a diver, […]
Read more More tech tips