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AC Isn’t Cooling Your Home? Do 3 Things Before Calling a Pro

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It’s hot out and your air conditioner just isn’t cooling your home well enough to keep you comfortable.

You may need to call a pro to fix it. But hold on for just a minute. Do these 3 things first and you may save yourself $60 to $120 on a service visit you don’t need.

1) Get the thermostat settings right

You’d be surprised how many homeowners just don’t notice their thermostat is set to “heat” instead of “cool.” Make sure yours is set to “cool” before you pick up the phone to call a pro.

Also, make sure the thermostat fan setting is set to “auto” and not “on”. When set to “on” the AC will blow air into your home—even when it’s not being cooled.

So if your air conditioner is always blowing air out of the vents, and it’s cold sometimes but warm other times, check this setting.

2) Check the air filter

Check the vents (the metal slots blowing air into your home). Are they blowing out a feeble amount of air? A dirty air filter may be reducing airflow to your air conditioner. When this happens, the air conditioner can’t supply as much air as it normally does. (Learn how an air conditioning system works, for more details). This reduced supply of cool air makes you uncomfortable as a result.

If that’s the case, check and change the air filter. It’s located either at a return grille or at your furnace/inside unit. Remember: You’re supposed to change your air conditioning/heating system’s air filter every 1-3 months.

dirtyfilter

If it looks like the filter on the left, change or clean it.

Out of air filters? Here are 3 things you need to know about buying air filters.

3) Clean the outside air conditioning unit

Is the air coming out of the supply vents lukewarm? The problem could be that your outside air conditioning unit is:

  • Dirty
  • Covered in grass clippings
  • Smothered by bushes or surrounding weeds

These things keep the outside unit from dispersing heat from the refrigerant flowing through the outside unit. This means the refrigerant can’t cool down (which is needed to cool your home’s air.) So, at best, you’re going to get lukewarm air coming out the supply vents.

To fix this, use our guide to cleaning your outside air conditioning unit like a pro.

Still need help?

Is your AC still not cooling your home well? You probably need to contact a pro for help. You might be low on refrigerant. Or there could be some other technical malfunction that requires a professional’s touch.

If you live in New Jersey, Air Professionals can help! Contact us online for a professional air conditioner repair. Or call us at (908) 751-1011.

Air Professionals is a whole-home comfort company serving New Jersey homeowners. Contact us for more information on how we can help improve your home’s comfort.