Derek Cole explains why setting your thermostat too far back won't cool your home faster. Aim for a 15°F temperature split between supply and return air, get your unit serviced twice yearly, and keep doors and shades closed to help the system work efficiently.
About 15°F.
Twice a year.
About one degree per hour (speaker's estimate).
So you say your temperature is 78, you come home at 5 o', clock, you want it to be 75. It's not going to work that fast. It might change one degree every hour just because it's so hot outside, so far behind, that's going to take a while to compensate to bring back up temperature. Now, when the sun goes down, cools off a little bit, it'll do it, you know, fairly quickly, but usually that's not the case. So I don't think you're having a problem there. Again, I would always recommend getting your unit maintenanced twice a year. Make sure you're ready to go, you're good to go. And if the unit has a good temperature split, meaning the temperature, this is something you can measure at home. The temperature out of the grill and the temperature going into the return is 15 degrees. That's kind of a good rule. If it's a 15 degree difference, then you're good to go. Front doors, shades, all that stuff on these really hot days needs to be closed. You need to help the system out as much as you can.
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