Checking for a freon leak with nitrogen

Thermostat keeps resetting after call for cool is complete ( 24v short in the condenser wire )

Ac coil freezing up due to dirty air filters

How to install lennox compressor timed off control

Outside condenser making loud intermittent noise that wakes customer up. ( bad condenser fan motor )

variable speed condenser not coming on but furnace inside is

Inside unit coming on but outside unit isn't. ( bad breaker to condenser )

Power surge no power to thermostat

Another fan motor not coming on !

condenser fan not coming on but compressor is

Thermostat blank but has power

Shorted out y terminal on control board and blew the transformer

Checking for a freon leak with nitrogen

Condenser not coming on due to bad disconnect causing no cooling

How to install a lennox heat kit on a residential package unit

Electric heater not heating due to bad sequencer ( contacts staying open and not closing)

24v short blowing fuse in the control board. ( bad condenser wire)

Testing a ecm blower motor with multimeter ( bad motor )

Changing a belt on a commercial package unit.

Don't always trust units strait out the box ( manufacturer didn't wire correctly)

Demonstrating what happens to your thermostat when you break r and float switch is triggered

installing a float switch on Primary line then breaking r

Testing a shorted out compressor with multimeter (ground test and common start run test)

If your breaker keeps tripping for the condenser when cool is on this could be your issue

The main reason why your ac won't cool( bad capacitor)