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How to Tune Up Central and Window Air Conditioners

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DIFFICULTY RATING:

(1 out of 5 - Beginner)

A well-maintained air conditioner will run more efficiently, saving you money on utility bills.

Step 3: Straighten the fins on the evaporator.
Straighten the fins on the evaporator. Bent fins block the free flow of air. You can use the blade of a small rounded knife or you can use a special fin comb available from air conditioner supply houses.

Use a knife to straighten the fins.

Step 3 of 13 (View Full Step by Step)

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Make sure that electrical power is disconnected from the air conditioner unit before servicing. Window units should be unplugged; central air units should be turned off at the fuse box. For specifics about servicing your specific air conditioner, always refer to the service manual for instructions and safety warnings.

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Step by Step.
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Text by Benjamin Hardy
BobVila.com