7:55

How Defrost Works on a Heat Pump! Explained Step by Step!

1:14:02

Heat Mode Charging and Testing Class

29:32

Heat Pumps - Preparing for Heating Season Part 1

32:32

Mastering Gas Heat in 10 Minutes

24:11

Heat pump not heating ? Can we fix it ?

14:52

Troubleshooting the Goodman Defrost Board

21:04

Heat Pump 03 Reversing valve

10:16

Heat Pump defrost cycle explained.