Adding refrigerant to a package heat pump
Changing gas burners on a Rheem gas package!
Changing a defrost sensor on a Carrier heat pump!
Adding refrigerant to a split system heat pump.
Repairing ignition control on a packaged gas heating system.
Replacing a bad zone board on a split system heat pump
Checking on bad smell in a package heat pump. Diagnosed as dirty sock syndrome.
Calibrating refrigerant charge on a split system heat pump.