Some Do's and Don'ts for AC Maintenance

Advice and Guidelines

By Peter J. Grech

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In order to keep your air conditioning unit running efficiently, here are some tips to keep its maintenance in tip-top shape.

"˘ Do clean your AC unit often.

"˘ Do keep the unit slightly pitched to the outside of your window or building to prevent rain and/or condensation from leaking into your home.

"˘ Do replace worn-out units with new units bearing the Energy Star logo "“ it's the mark of efficiency.

"˘ Do have a professional do a thorough cleaning and lubrication of your unit's motor every three years or so.

"˘ Don't go cheap "“ it will cost you in the long run.

"˘ Don't use an extension cord to run your unit "“ the longer cord will drop voltage to the unit and make it work harder.

"˘ Don't keep plants near the unit.

"˘ Don't use bricks, wood, or other objects to support your unit in the window "“ it's probably a good idea to have it mounted on proper brackets. It makes sense and is more secure. Please follow manufacturer's instructions and building safety codes.

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"˘ Don't use sharp objects to clean out your unit "“ they can cause damage to condenser fins and cause leaks.

For a story about maintaining your air conditioner, click here.


Getting a high quality unit and then maintaining it regularly will make it last you for many years. Neglecting it or using it wrong will make short work of your AC. Thanks for the great tips!

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