| ★ |  hvac technician goes over troubleshooting a heater sequencer and what function it serves in the heat | | — | Estados Unidos | |
| 1 |  hvac technician troubleshooting a bad heater element finds a rat | | — | Estados Unidos | 91 |
| 2 |  hvac technician gives advice on low voltage wiring and how to make it easy to troubleshoot an hvac | | — | Estados Unidos | 91 |
| 3 |  Hvac Technician demonstrates how to diagnose and test a thermistor which is commonly found on heat | | — | Estados Unidos | 91 |
| 6 |  HVAC technician teaches about how a Heat Pump Defrost Control Board works | | — | Estados Unidos | 90 |
| 8 |  hvac technician shows the resistance of a gas valve to help other newer technicians diagnose issues | | — | Estados Unidos | 90 |
| 9 |  hvac technician gives tips on a heat sequencer | | — | Estados Unidos | 90 |
| 10 |  Hvac Technician goes over installation of a Heat Kit on an Air Handler | | — | Estados Unidos | 90 |
| 13 |  hvac technician teaches about low voltage relay in air handlers and shows the resistance in the coil | | — | Estados Unidos | 90 |
| 17 |  How to diagnose a bad contactor part 2 | | — | Estados Unidos | 89 |
| 19 |  hvac technician shows how a 6 pin relay works for evaporator blower motors and how they are used | | — | Estados Unidos | 89 |
| 20 |  hvac technician demonstrates troubleshooting a contactor and the type of contactor typically found | | 10.6K | Estados Unidos | 89 |
| 12 |  HVAC Technician gives helpful tips on how to wire a basic heat pump | | 9.3K | Estados Unidos | 90 |
| 14 |  How to diagnose bad contactors | | 6.4K | Estados Unidos | 90 |
| 7 |  hvac technician shows how a high limit switch works in a heat kit and how its designed to shut down | | 6.2K | Estados Unidos | 90 |
| 4 |  Hvac Technician demonstrates the function of Thermistors on a defrost control board of a Heat Pump | | 5.5K | Estados Unidos | 90 |
| 15 |  hvac technician gives a tip on the 3 most common things to check if your air conditioner isn't | | 4.3K | Estados Unidos | 89 |
| 18 |  Quick hvac tip about how to hook up a motor and a relay | | 3.9K | Estados Unidos | 89 |
| 16 |  hvac technician teaches about the resistance differences in a transformer and what a transformer | | 3.0K | Estados Unidos | 89 |
| 5 |  hvac technician diagnosis bad heating elements and teaches how to ohms each element to see if its | | 2.2K | Estados Unidos | 90 |
| 11 |  HVAC Technician goes over different styles of Safety Switches and how to see if they are tripped | | 2.2K | Estados Unidos | 90 |