HVAC App

Wet Bulb Temperature

How to Replace a condenser fan motor

How to diagnose a bad condenser fan motor

How to test a flame roll-out switch

How to test a Gas Valve

How to replace a Gas Valve

The Sequence of Operation for a Defrost Heat Pump Board

How to bypass a Defrost Heat Pump Board to allow cooling

How to test a plenum thermostat

How to replace a plenum thermostat

How to replace a combustion air blower motor

How to test an Air Proving or Sail Switch

Basic functions of Gas Furnace components

Identifying the components of a Gas Furnace

How to measure electrical resistance

Basic Operation of a Defrost Heat Pump Board

How to change the Rotation of a Reversible Motor

How to change the Rotation of a Non-reversible Motor

How to Identify Broken Wires on a Thermostat

How to Troubleshoot a Reversing Valve

How to replace a Reversing Valve & test a Solenoid Coil

How to Replace a Transformer

How to replace a contactor

AHR Expo 2013

How to change or replace an Indoor Blower Motor

How to change the Motor Speed of a Gas or Electric Furnace

Wiring Schematic of an Electric Heater

What to do if you have Low Delta T through an Electric Heating Unit

How to repair an Electric Heater