Question about Kenmore 72187 Air Conditioner

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Unit is several years old but only used a few times. This summer we used it from July to present but it's cooling ability has declined steadily since early August. We use it durring the evening from 6pm to 6am. Not durring the day. I cleaned the filter, but it still does not get as cold as it use to. Suggestions?

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Potentially could be low on refrigerant (freon) and no access taps are available to check freon pressures,so you would have to call a reputable hvac company to add taps to check freon pressures and if low add charge and look for a leak? Ideally would be to install permanent access valves after recovering freon charge and weigh in required factory nameplate amount.
Probably costly and maybe time for a new one vs. repair? Be sure your coil behind the air filter is clean? and be sure the coil outside is clean?You could take the unit outside and clean both coils with a garden hose but be careful not to over pressurize the coils because the fins bend easy,use an up and down motion not side to side.Let unit drain and reinstall and try

Posted on Sep 02, 2010

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