Talking About Air Filtration Systems

Talking About Air Filtration Systems

3-Step Guide To Troubleshooting Your Central AC Unit When It Stops Cooling Your Home

Tammy Terry

If you have noticed that your air conditioner is not cooling your house properly, you may wonder if there is anything you can do to fix minor issues with the unit. If so, use the following three-step guide to troubleshooting your central AC unit when it stops cooling your home. 

Step 1:  Change The Filter

This first step involves a simple task, but doing it can make all the difference. If your air conditioner's filter is clogged up with dirt and dust, it blocks the air flow and keeps the cool air from entering the vents.

Even if you cannot see any dirt, turn off the air conditioner, then change the filter with one recommended by the manufacturer. Once this is done, go on to the next step.

Step 2:  Check The Compressor For Ice Buildup

Before you turn the AC back on, look at the sides of the compressor for any ice formations. If the filter was blocking the cold air, it may have flowed back into the unit and made the moisture on the outside of compressor freeze up.

If you find ice, do not try to chip it off, as this could damage the coils. Instead, let the unit sit while turned off to give the ice a chance to melt completely. While you are waiting for this, go on to the third step.

Step 3:  Clean The Outside Vents

Another thing that could be blocking the cold air's flow through your air conditioning unit is dirty outside vents. For the unit to force air through the compressor and out into your vents, it must draw air into itself to avoid creating a vacuum. If these vents become blocked with leaves, dirt, or other debris, the air cannot circulate properly.

If you have any bushes next to the AC unit, trim them back so the branches do not block the air vents. Then, use a stiff brush to clean away any dirt that has gotten trapped in the vent holes.

If some of the dirt is stubborn and will not come off, wipe it with a rag soaked in soapy dish water. Then, dry the outside thoroughly with a dry cloth. Once this is done and any ice has melted, turn on the unit to see if it is blowing cold air throughout your home.

After going through the above steps, you may find that your home is still not cooling down. If so, you may want to contact an HVAC contractor so they can inspect your AC unit to diagnose the issue and offers suggestions on how to fix the problem.


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About Me
Talking About Air Filtration Systems

Hey everyone, I am Mort Nicholas. Since I have allergies to pollen, dust and chemicals, I must filter the air blowing through my home day and night. The air filtration systems hook straight to the furnace and air conditioner to provide my home with fresh air at all times. The filters used for these systems capture the tiniest of particles to keep them out of my airways. As a result, I often wake up feeling healthy and refreshed. I hope to share the benefits of having filtered air flowing through your home. I will discuss symptoms caused by contaminated air. In addition, I will share information about air filtration maintenance services provided by HVAC contractors.

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