Problem
The air conditioner is losing refrigerant and no longer cools effectively.
Possible Causes
Damaged refrigerant lines
Corroded evaporator coil
Loose fittings
How To Fix It
Turn off the system to prevent compressor damage
When To Call A Professional
Refrigerant leaks must be repaired and recharged by a certified HVAC technician.
Problem Your AC is running continuously but not lowering the temperature. Possible Causes How To Fix It When To Call A Professional If system runs nonstop without cooling improvement
ProblemThe AC system runs continuously through the night without shutting off. Possible CausesThermostat set too lowDirty air filterHot outdoor temperaturesLow refrigerant How To Fix ItRaise the thermostat temperature slightlyReplace the air filterCheck vents for airflowMonitor cooling performance When To Call A ProfessionalIf the AC never shuts off even at moderate temperatures, a technician should inspect…
ProblemThe AC system stopped cooling properly after replacing the air filter. Possible CausesIncorrect filter sizeAirflow restrictionThermostat setting issueSystem airflow imbalance How To Fix ItCheck that the new filter is the correct sizeEnsure the filter is installed correctlyCheck thermostat settingsRestart the HVAC system When To Call A ProfessionalIf cooling does not improve, a technician should inspect…
ProblemThe AC compressor repeatedly clicks on and off without running normally. Possible CausesFaulty capacitorElectrical issueCompressor overload protectionLow refrigerant How To Fix ItTurn the system off temporarilyInspect the breaker panelCheck for unusual noises at the outdoor unitRestart the system after cooling down When To Call A ProfessionalFrequent compressor clicking should be inspected by an HVAC technician.
Problem Your AC does not cool effectively during nighttime hours. Possible Causes • Thermostat settings• airflow restriction• system inefficiency How To Fix It • Check thermostat schedule• ensure vents are open• replace air filter When To Call A Professional If issue continues despite correct settings
ProblemA hissing sound comes from the AC unit while it is running. Possible CausesRefrigerant leakHigh pressure in refrigerant linesAir escaping from ductworkLoose internal component How To Fix ItTurn off the AC and listen for where the sound comes fromInspect visible refrigerant linesCheck vents for airflow leaksRestart the system to confirm the sound When To Call…