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Here’s What To Look For When the Air Conditioner Stops Working

It never fails. As soon as the hottest part of the summer arrives, your air conditioner is going to break down. The first thing you should do is call your service technician and schedule an appointment. The second thing you should do is use this handy list to try and troubleshoot the problem while you wait for repairs. There are a couple of things that might be preventing your air conditioner from working properly.

Low Air Flow

If your air conditioner unit seems to be working but you’re not getting air through the vents, you might have a dirty filter or clogged ducts. Try fixing the problem by following the steps below.

Dirty Filter

If it’s been a few months since you changed the filter on your air conditioner, this might be a good time to take care of that. A dirty filter can prevent the proper amount of air from getting through to your air conditioner. You should change your filter about once a month during peak times, such as summer and winter. Once you’ve replaced the filter, turn your air conditioner on and see if it’s providing cold air. If it isn’t, there might be a problem in the ducts.

Clogged Ducts

If your air conditioner is working but you aren’t getting cold air through the vents, you might have a problem with clogged or dirty air ducts. You can use a vacuum cleaner and a feather duster to give your ducts and vents a quick cleaning.


  1. Remove the covers from your wall or ceiling vents.

  2. Remove the cover from your filter compartment and take the filter out.

  3. Use your feather duster to loosen up the dirt inside the vents.

  4. Use your hose attachment to vacuum away the loose dirt and debris.

  5. Replace your filter and vent covers.

  6. Turn your air conditioner on and test the air pressure.

Air Conditioner Won’t Turn On

When your air conditioner won’t turn on, you have a bigger problem than just dirty filters or ducts. Here are a couple of things you can check while you wait for your service technician.

Seized Motor

Your air conditioner works hard during the summer. During particularly hot days, your air conditioner can overheat. When that happens, the motor can seize, which means it’s not going to move. You might need to cool down the unit. Take your garden hose and spray down your air conditioner. Be sure to get the fan blades too. Once you’ve sprayed down the entire air conditioner, try turning it back on.

Damaged Wires

If you’ve tried everything else and your air conditioner still won’t turn on, you might want to look at the wires. This is particularly important if you have dogs, especially the type that like to chew. Look at the wires that run from the unit to your home. If you see any damage, you’ll want to notify the repair company as soon as the technician arrives.

Being without an air conditioner during the summer can be miserable. If your air conditioner suddenly stops working properly, use this simple guide to troubleshoot the issue. You just might be able to find the problem before the technician, one like Springer Bros Air Conditioning-Heating LLC, arrives.

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