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check your central air conditioner before calling repair man

When it reaches summer heat, air conditioning plant is possible, but less cold running her what you want house. When this occurs, you may be tempted to call repair person immediately and spend hundreds of dollars on simple repair that could have made himself. Before calling for service, check few things on your own.

Look return air ventilation air inside your home. Pull return air filter to remove dust. Change filter if it is clogged with dirt, dust or animal hair.

check your central air conditioner before calling repair man

If it does not look dirty but has not been changed in awhile, change it anyway given likelihood of dirt inside filter that you cannot see. dirty air filter can cause air conditioner to freeze up, creating rise in temperature in home. Clean condenser coil located on outside unit with regular garden hose.

Turn unit off. Hold hose about four inches from coil and slowly spray it as if you were painting, with right-to-left motion. That way you do not miss any areas.

You cannot see dirt in coil until brown water emerges from bottom of condenser coil. Allow unit to dry for 10 minutes before restoring power. Allow central air conditioner time to cool house after restoring power.

If you replace extremely dirty filter and do not see change in temperature, reason is most likely to unit freezing up. Shut off unit for several hours so it can thaw before calling repair shop. If repairman comes and has to defrost unit himself, you may have to pay for time allotted for defrosting.

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How to check your central air conditioner before calling repair man