Warm AC

Aug 18, 2023 | How To

Is your air conditioner blowing warm or hot air? Is it turning off and on frequently or just not working? Before calling a professional A/C repair service, try these DIY repairs.

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    Safety First

    Remember, safety first! Always turn off the power before attempting any repairs, and if in doubt, consult a professional.

    6 DIY Solutions

    1

    Check the Thermostat

    • Set your thermometer to Cool, instead of Auto, which will keep the unit from power cycling too frequently.
    • See if the batteries need to be replaced.

    2

    Reset the Circuit Breaker

    • Air conditioners share electricity with other devices. Check your circuit breaker box and flip any switches that are off.

    3

    Clean the Air Filter

    • If you can’t remember the last time you changed the filter, it’s probably time to change it, and, as a general rule, you should change it at least twice a year (more if you have pets).

    4

    Clean the Condenser Coils

    • The condenser coils, located outside the house, expel heat to keep the indoor unit cool. Clean any debris around the fan box outside to maintain proper function.

    5

    Open or Unblock All Registers

    • Registers allow air to flow back into the system to be heated or cooled. Make sure these are open and unobstructed, especially by furniture.

    6

    Unclog the Condensate Line

    • Mold, mildew, and other kinds of debris can clog the condensate line. Use a wet/dry shop vacuum to suction the line.

    When to Call a Professional

    While some repairs are DIY-friendly, some issues require specialized knowledge and tools.

    Avoid attempting the following repairs:

    • Refrigerant Leak
      • Refrigerant leaks can be dangerous and require professional handling. Contact a professional immediately if you notice hissing sounds, bubbles on the A/C coil, or a chemical smell.
    • Faulty Compressor
      • Signs of a faulty compressor include shaking during startup, unusual noises, warm air blowing, water leakage, and frequent breaker trips.
    • Electrical Issues
      • If your unit behaves erratically or frequently trips the circuit breaker, turn the unit off at the circuit breaker and call a professional immediately.
    • Motor Failure
      • Weak airflow, strange noises, or slow/frozen fan blades indicate motor failure.
    • Unknown Issue
      • If you’ve tried everything and still face problems, contact professionals for a thorough inspection and a tailored solution.

    Still Having Trouble?

    For comprehensive and timely assistance with your air conditioner, reach out to us through our website, Facebook, or by phone.
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