Recently, we got a call from a distraught homeowner. She’d gotten one of those letters from her electric company in the mail that compared her energy use to her neighbors — and it was triple the average for the neighborhood, as was her utility bill.It didn’t take long for us to figure out the likely culprit. Because when we asked her what the temperature units were set to, she offhandedly replied, “Oh, 65–70 degrees depending on how hot it is outside.”Reader, this may come as a surprise.ENERGY STARⓇ, as well as most air conditioner manufacturers and HVAC professionals, recommend you set your A
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