21 Point Residential Air Conditioning Inspection Checklist
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Above and Beyond Industry Standard
Air conditioner troubles rarely announce their imminent arrival. The unit that worked perfectly last fall may just be waiting until the weather turns hot to let its problems be known. That’s why a yearly residential air conditioning inspection makes sense even when you have no reason to suspect that your unit could require some assistance.
The best time to do this is in the spring. That will ensure that when summer weather rolls around, your ac unit is ready to jump into action with no need to undergo air conditioning repair.
FAQ's: What can Go Wrong?
- Build Up Issues.
- Problems with Your Unit's Condensate Drain Line
- Air Filter Issues
- Air distribution registers
- Poorly sealed ducts
- Incorrect refrigerant charge
- Worn-out fan or compressor controls
- Problems with the thermostat sensor
The 21 points for residential air conditioning
These 21 points will ensure that your Air Conditioning unit is ready to service, repair or operational for the Spring and Summer seasons!
- Ask if there are any special concerns about your cooling system
- Remove the electrical disconnect cover & tighten the connections
- Visually inspect the condenser for any type of damage
- Visually inspect the copper tubing for leakage or damage
- Check duct work for loose or leaking connections
- Chemically clean the condenser coil & rinse if water is available
- Check the circuit board & wiring for scorching or discoloration
- Tighten all electrical connections
- Check for proper voltage to the condenser
- Check the thermostat for proper mounting, location and setting
- Check, clean and replace filters if part of the contract
- If motor is belt driven, replace if part of the contract
- Check the discharge pressure of the system freon levels
- Check the suction pressure of the system freon levels
- Check the condenser fan blade for balance & clean
- Check the amp draw of the condenser fan motor
- Check the amp draw of the compressor
- Check the amp draw of the blower motor
- Check the temperature drop across the evaporator. ^T is 17 – 21 deg.F
- Check the temperature difference between rooms max. ^T is 5 deg.F
- Check super heat & sub-cooling