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HomeRepair HelpAmana Central A/C RepairAmana Central air conditioner has poor temperature control Repair
Amana Central air conditioner has poor temperature control
If your Amana central air conditioner has poor temperature control, the most likely cause is a clogged air filter restricting airflow through the furnace or air handler. Replace the filter as directed in the owner's manual, usually at least twice a year and more often in dusty homes or homes with pets. A dirty filter can also cause the evaporator coil to frost over, reducing cooling and creating uneven cooling in the house. Next, check the wall thermostat. Failed electrical contacts can keep the condensing unit or air handler from operating correctly, causing inaccurate AC temperature readings, temperature swings, or an AC that is not holding temperature. Less common causes include blocked or leaking vents, which reduce airflow to some rooms, and an oversized air conditioner that cools too quickly and shuts off before air circulates evenly. Turn off power before testing or replacing electrical parts, and have a qualified HVAC technician handle line-voltage wiring, refrigerant, or sealed-system repairs. Enter your Amana central air conditioner model number to find the exact replacement air filter, thermostat, or other compatible part for your system.
01 - Amana 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 - Amana 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 - Amana 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 Amana central air conditioner have poor temperature control?
Can a clogged air filter cause weak airflow and uneven cooling?
How do I test an Amana thermostat that is not holding the set temperature?
How do I find the correct replacement part for my Amana central air conditioner?
When should I call a technician for an Amana central air conditioner with poor temperature control?
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