DO clean your air conditioner filter on a monthly basis.
DO keep the unit a few feet away from the window or building to prevent rain or condensation from leaking into your home.
DO replace old units with new ones that have the Energy Star logo; it’s the mark of efficiency.
DO have a professional perform a thorough cleaning and lubrication of your A/C unit’s motor every three years or so.
DO have the air ducts checked for leakage when installing a new heating and cooling system.
DO use ceiling and portable fans for better airflow. They use very little electricity and efficiently circulate air throughout the house.
DON’T set your thermostat on the coolest setting. Keep your indoor temperature settings at efficient levels for the right amount of cooling in your home.
DON’T go cheap with the unit; it will cost you in the long run.
DON’T use an extension cord to run your unit. A long cord will cause the voltage to drop, resulting in the air conditioner working 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 recommended to mount it on proper brackets.It makes sense and is more secure.
DON’T use sharp objects to clean out your unit, as they can damage the condenser fins and cause leaks.
DON’T let the furnace or air conditioner salesperson sell you a bigger unit than you need.
DON’T think that you only need to insulate the attic during the summer.

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