Problem
The AC system struggles to cool the garage even though other rooms feel comfortable.
Possible Causes
Poor insulation
Blocked vents
Ductwork restrictions
High outdoor heat entering the garage
How To Fix It
Ensure vents in the garage are open
Check airflow from the vent
Close garage doors and windows
Improve insulation if possible
When To Call A Professional
If airflow is weak or nonexistent, an HVAC technician may need to inspect the duct system.
ProblemThe indoor air handler does not start even though the thermostat is set to cool. Possible CausesTripped breakerThermostat malfunctionBlower motor failureElectrical issue How To Fix ItCheck the breaker panelConfirm thermostat settingsInspect the air filter for blockageRestart the system after checking power When To Call A ProfessionalIf the air handler still does not start, an HVAC…
Problem Ice forms on the AC unit or evaporator coil. Possible Causes How To Fix It When To Call A Professional If freezing continues after airflow issues are corrected, refrigerant levels may need inspection.
Problem The air conditioner turns on and off frequently without completing a cooling cycle. Possible Causes How To Fix It When To Call A Professional Frequent cycling may indicate system sizing issues or refrigerant problems.
ProblemThe AC system takes a long time to start after adjusting the thermostat. Possible CausesWeak capacitorThermostat delay settingsElectrical issueAging compressor How To Fix ItCheck thermostat programmingInspect the breaker panelWait several minutes after adjusting the thermostatMonitor the startup behavior When To Call A ProfessionalIf the unit repeatedly delays startup, the capacitor or compressor may need inspection.
ProblemThe thermostat is set to cooling but the AC system does not respond. Possible CausesDead thermostat batteriesFaulty thermostat wiringHVAC control board issuePower interruption How To Fix ItReplace thermostat batteriesCheck the breaker panelReset the thermostatConfirm thermostat is set to cooling mode When To Call A ProfessionalIf the system still does not respond, an HVAC technician should…
ProblemThe AC unit makes a clicking sound but never fully starts, leaving the home without cooling. Possible CausesBad capacitorFaulty contactorLow voltage issueFailing compressor How To Fix ItConfirm the thermostat is set to coolCheck the breaker panel and reset if neededListen for repeated clicking from the outdoor unitTurn the system off if it keeps trying to…