HVAC Troubleshooting Center

Air conditioner completely unresponsive with no fan, no sounds, or display showing but nothing happens.

Ice buildup on indoor coils, outdoor refrigerant lines, or complete unit freezing preventing cooling.

Water dripping, pooling, or leaking from indoor AC unit or ceiling below air handler.

Unusual sounds from AC unit including banging, grinding, squealing, hissing, or clicking noises.

AC turns on and off repeatedly in short bursts instead of running proper cooling cycles.

Air conditioner runs but produces warm or room-temperature air instead of cooling properly.

Air conditioner runs continuously without cycling off, even when target temperature is reached.

Furnace runs but produces no heat, or blows cold air instead of warm air.

Furnace completely unresponsive with no sounds, no ignition attempt, or no blower activation.

Furnace starts and stops in short bursts instead of running full heating cycles.

Pilot light on gas furnace goes out repeatedly or won't stay lit after relighting.

Furnace produces unusual or loud noises including banging, rumbling, screeching, or whistling sounds.

Heat pump fails to heat or cool, won't switch modes, or runs but produces no temperature change.

Heat pump runs but only blows cold air in heating mode, fails to produce warm air, or stays in cooling mode.

Outdoor heat pump unit covered in heavy ice or frost that doesn't melt, defrost cycle not working.

Heat pump runs continuously without cycling off, never reaches set temperature, or runs non-stop even in mild weather.