Tuesday, July 31, 2018

How to Prep Your Air Conditioner for Summer

Before you crank up that AC, keep these tips in mind.

With summer on the horizon, you know scorching hot days aren’t far behind. And that means you’ll want to make sure your air conditioner is fit to provide some relief. Of course, for some air conditioning systems (like central AC), it’s best to get a professional to come and inspect the unit, check the ductwork, and make sure it’s operating efficiently. But if you have a window or portable unit, you can do a lot of the upkeep yourself. “Companies like ours should come out and do the maintenance on it, but in between, there are things people can do,” says Dave Mejean, HVAC manager at B&W Plumbing and Heating Co., Inc., an Angie’s List vendor. “It’s like a car, you’ve got to have your mechanic tune it up, but there’s still stuff you can do to make sure it’s running, too.”

No matter your air conditioner type, the experts shared five tips and tricks that you easily do.

1. Change the Filters

“This is the number one thing,” says Mejean. “Every air conditioner has an air filter. And if you don’t change or clean it, the airflow will be weak and ineffective.” For central AC units, Mejean recommends checking it every 30 to 60 days to see if it’s dirty or dusty—lifestyle makes a big difference, since people who have kids or pets might have to change it every month, while those who don’t have too many visitors or animals might only need to swap it out every two to three months. Mejean recommends pleated filters since they can trap dirt and dust more efficiently.

For window, wall-mounted, or portable units, you can open the air conditioner according to the manufacturer’s instructions and remove the filter to clean. “Dust off the filter and rinse with lukewarm soapy water, then dry,” says Giacomo Calzavara, Managing Director of JMATEK North America, which is a licensee of Honeywell portable cooling products. “After the filter is completely dry, place it back in the unit. I would recommend cleaning every two weeks.”

2. Clean the Coils

Coils help move the hot and cold air, so you want to make sure that they’re not clogged with dirt and dust. In a central air conditioning system, you can easily clean the outdoor condenser unit before you get a professional to inspect the rest of the parts. “Take a look at the unit and see if there’s any dirt, grass clippings, or other kinds of items blocking the exterior fins,” says Mejean. “Turn off the unit and carefully spray it down with a hose, making sure to not get the electrical box wet.” Let it dry completely before you turn it back on.

For window and portable units, open up the air conditioner to get to the coils. “Brush away any dirt from the air conditioner coils with a soft brush or cloth, then clean away any additional dirt with a water-filled spray bottle.” Try putting a little bit of mild detergent in the bottle if the debris is hard to remove. Window units also have outside fins in the back—you can clean those the same way.

3. Clear Any Roadblocks

“Airflow is so critical to cooling systems, so make sure there aren’t any beds, dressers, clothes, books, or other items blocking the unit vents,” says Mejean. For your central air conditioner’s outdoor unit, Mejean suggests leaving at least a 12-inch clearance around it.

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