Fact Check: Will shading an AC unit with a canopy lower energy bills?

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Fact Check: Will shading an AC unit with a canopy lower energy bills?
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There's more to it.

Funnily, this isn't the first time the supposed claim has come about. Rather, it resurfaces every summer. Back in 2017, thetook a look into the issue and noted a few logical flaws with the shade solution.

"First, there’s an assumption that the sun shining directly onto the unit causes the whole thing to heat up like a brick. Now, shading the condenser might reduce the sun’s heat on the casing but the condenser’s casing doesn’t conduct that much heat to the internal fins and tubing. In fact, all those bits are already under shade inside the case," Direct Energy writes.

Studies have been undertaken to prove the issue 'false.' In 2010, researchers from the Kuwait Institute for Scientific Researchshade had on air conditioners and revealed that shading alone would only result in a maximum of increased efficiency of one percent. The study concluded: "The actual increase in efficiency due to shading is not expected to exceed a maximum of one percent. Actual daily and seasonal savings in energy will be even lower.

Richard Trethewey, a heating and air-conditioning contractor who appears on the television program "This Old House,"The DOE also asks people to switch the fans off when they're not home as "fans cool people, not rooms." It also suggests running clothes dryers and dishwashers during cooler hours and avoiding using your oven on hot days..

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