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HomeRepair HelpFrigidaire Central A/C RepairFrigidaire Central air conditioner has poor temperature control Repair
Frigidaire Central air conditioner has poor temperature control
If your Frigidaire central air conditioner has poor temperature control, start with the air filter, the most likely cause. A dirty or clogged air filter restricts airflow through the furnace or air handler, reduces cooling capacity, and can cause the evaporator coil to frost over. Replace the filter as recommended, especially in dusty homes or homes with pets. Next, check the wall thermostat. Failed electrical contacts can make the system run intermittently or prevent the condensing unit and air handler from responding correctly. A blocked or leaking vent can also cause uneven cooling in the house, while an oversized air conditioner may cool rooms too quickly and shut off before temperatures equalize. These problems can produce an air conditioner with poor temperature control, an AC temperature that is not accurate, or an AC that is not holding temperature. Turn off power before inspecting parts, and leave 240V wiring, the condensing unit, and any sealed-system or refrigerant work to a qualified HVAC technician. Enter your Frigidaire model number to find the exact air filter, thermostat, or other replacement part for your central air conditioner.
01 - Frigidaire Central Air Conditioner Air Filter
Check and replace the air filter at least twice a year, more often in dusty/dirty environments or if there is a pet in the home. A clogged air filter will greatly reduce the air flow of the furnace or air handler which can result in poor temperature control when trying to heat or cool the home.
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Highly Likely
02 - Frigidaire Central Air Conditioner Wall Thermostat
The wall thermostat has electrical contacts that control the power supply to the furnace or air handler and condensing unit. If the contacts in the thermostat fail, certain components of the cooling system may not work or may only work intermittently. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the wall thermostat does not show proper continuity, replace it.
Common
03 - Frigidaire Central Air Conditioner Wifi Thermostat
The WiFi thermostat has electrical contacts that control the power supply to the furnace or air handler and condensing unit . If the contacts in the thermostat fail, certain components of the cooling system may not work or may only work intermittently. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the WiFi thermostat does not show proper continuity, replace it.
Common
04 - Clogged Air Filter
If the air filter is clogged, air cannot flow properly through the home's venting system. This greatly reduces the cooling capacity of the air conditioner. In addition, if the air filter is clogged, the evaporator coils will frost over and not be able to remove moisture from the air. The air filter should be checked and replaced at least twice a year, more often in dusty/dirty environments. Refer to owner's manual for guidance.
Less Common
05 - Blocked or leaking vents
The furnace or air handler must have good airflow to work properly. A blocked or leaking vent can prevent good air flow and cause inconsistent room temperatures.
Less Common
06 - Oversized air conditioner
An oversized furnace or air handler will quickly heat or cool the home and shut off. This causes acceptable temperatures in certain areas but not in others. The circulated air needs time to distribute evenly throughout the home; the air recirculating through the furnace or air handler for longer periods of time will produce better results.
Less Common
Frequently Asked Questions
Why does my Frigidaire central air conditioner have poor temperature control?
Can a dirty air filter cause my central air conditioner to stop cooling properly?
How do I test a thermostat that is not controlling my central air conditioner correctly?
How do I find the correct Frigidaire central air conditioner replacement part?
Could an oversized central air conditioner cause uneven cooling or high humidity?
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