The Best Way to Create a Shade for My Central Air Unit
According to the U.S. Department of Energy (DOE), a central air unit uses up to 10 percent less electricity operating in the shade than it would use operating in direct sunlight. Homeowners who build a shade for their central air unit, however, often make them run inefficiently by blocking air flow. The best way to create shade for your central air unit depends on its position and your landscape. Does this Spark an idea?
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Plants
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If your central air unit is already in place, plant fast-growing trees or shrubs to shade it. Take into account the expected maximum size of the plants, and don't plant them where they may eventually block air flowing into the condenser or away from the unit. Leave at least 5 feet of clearance over the top of the unit.
Double-Duty Addition
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If you're planning to build a covered patio, greenhouse, shed or other backyard addition, place it in a position to cast a shadow over your central air unit during the hottest part of the day. Experts at Salt River Project recommend positioning the unit at least 12 inches from a wall, with a 30-inch clearance in front of the access panel.
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Natural Shading
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Experts at the DOE recommend placing the central air unit on the north side of the house, where it will remain shaded longer as the sun moves across the sky.
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