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Airflow Problems and Solutions

Friday, March 8, 2019

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My air conditioner is blowing warm air:

Air Filter - filters can become clogged as a result of pet hair or excessive dust. When the filter is clogged, it prevents air from flowing properly, compromising the efficiency of your system. Keep an eye on your filter, changing it when it appears to be dirty or clogged.
Dirty Outside Coil- blocked airflow can prevent proper cooling. Cottonwood is especially troublesome in the Kansas City area.
Refrigerant Leaks - Refrigerant is extremely important in the cooling process. It absorbs the heat from your home and releases it outside. When refrigerant levels are depleted it will take longer to cool your home. Here are few ways to tell if you have a leak:

  • Your registers are blowing warm air
  • There is a hissing sound coming from the indoor unit
  • The coils are frozen
  • Your electrical bill is higher than normal

Compressor- the compressor draws refrigerant gas from the components of the A/C, compresses the low pressure refrigerant to high pressure, and moves it through the system. If the compressor is unable to maintain the correct pressure or if it is loose or worn, your system will not be cooling as it should be.

My A/C isn’t turning on:

Breaker - if the breaker to your A/C has been tripped, reset it. Keep in mind that if it trips again, there may be something in the wiring that is pulling more electricity than it should. For safety reasons, you should contact an electrician to discuss any issues with your panel.
Thermostat - an often overlooked solution to this problem is to check the batteries in your thermostat.
Compressor - a burned out compressor will not allow your unit to start up at all.

My A/C is making noises:

Rattling - if you hear a rattling noise it could just be that there are leaves or sticks in the vents. It could also be something as simple as loose fasteners, bolts, or screws. However, it could indicate the first sign of a problem with your
compressor if it is up there in age.
Grinding - this can indicate that something is going on with the fan motor, such as a worn bearing.
Popping - as the duct work ages in your home, you may hear popping noises in your ductwork when the air turns on and off. Your A/C unit has nothing to do with this. However, you may want to have your ductwork looked at to make certain that nothing is damaged in your ductwork.
Hissing - if the hissing noise is actually coming from the unit itself, it could be an indicator that there is a refrigerant leak or a compressor problem.

If you have any questions or concerns about your A/C,
we are here to serve you.