Derek Cole explains why setting your thermostat to 78°F while you're at work backfires. When you get home around 5 PM, the AC can't cool the house to 75°F fast enough because that's the hottest part of the day. Don't set it back too much.
I'm against sitting it back too much when you're going to work. But the problem is you get home at 5:00 or 5:30 and everybody tries to bring it down to the temperature they want. Well, it's been sitting all day at 78 degrees. It's going to be hard for it to get to 75 when it's the hottest part of the day at 4 or 5 o'. Clock.
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