Problem
A musty or moldy smell comes from the air conditioner when it is running.
Possible Causes
Mold in the evaporator coil
Dirty air filter
Clogged condensate drain line
How To Fix It
Replace the air filter
Clean visible vents
Check for moisture buildup near the indoor unit
When To Call A Professional
Mold inside the HVAC system may require professional cleaning.
ProblemThe AC system runs but cannot keep the house cool during hot weather. Possible CausesDirty air filterLow refrigerantDirty condenser coilsUndersized AC unit How To Fix ItReplace the air filterCheck that outdoor unit coils are cleanClose doors and windows to keep cool air insideSet thermostat to a reasonable temperature When To Call A ProfessionalIf the AC…
ProblemThe AC system appears to run but little or no air comes from the vents. Possible CausesBlocked air ductsFrozen evaporator coilBlower motor issue How To Fix ItCheck the air filterInspect vents for blockages When To Call A ProfessionalBlower motor or duct issues may require HVAC repair.
Problem Your AC struggles to cool your home during peak afternoon heat. Possible Causes • High outdoor temperatures• system strain• dirty coils• sun exposure How To Fix It • Close blinds• reduce indoor heat• clean condenser• limit appliance use When To Call A Professional If system cannot handle peak heat demand
ProblemAir blows strongly from vents but the air is not cold. Possible CausesLow refrigerantDirty evaporator coilThermostat malfunctionCompressor issue How To Fix ItReplace the air filterVerify thermostat is set to cooling modeCheck that the outdoor unit is runningAllow the system to run for several minutes to monitor temperature When To Call A ProfessionalIf strong airflow continues…
ProblemWater is leaking from the bottom of the water heater and may begin pooling around the base. Possible CausesLoose drain valveTank corrosionCondensation buildupFaulty pressure relief valve How To Fix ItInspect the drain valve for drippingDry the area and determine the leak sourceCheck nearby plumbing connectionsMonitor the heater during its heating cycle When To Call A…
Problem Your AC unit is running and the fan is spinning, but the house is not cooling properly. Possible Causes Dirty air filter restricting airflowLow refrigerant levelsFrozen evaporator coilBlocked condenser unitThermostat issues How To Fix It Replace or clean the air filterCheck if the outdoor condenser is blockedEnsure the thermostat is set correctlyAllow frozen coils…