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Originally Posted by Chris F.
Mr. SG! I have a question for ya, because I know you have already figured this out (other people chime in too!) What is the best thing to do with A/C in the summer? Leave it on during the day to keep the house cool, or let it run 2 hours before you come home?
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Hey Chris, this can be a very subjective topic for sure. My recommendations are suited more for extended high temp weather, but maybe you can glean something from them.
#1 Buy a 7 day programmable digital thermostat (Honeywell).
The temps can be set at 4 different levels during the day (wake,sleep,leave,return). Best place to buy is eBaY. I have two A/C's (Dual Zone). First one I bought at Home Depot for like $109.00. Next one I bought through eBaY for $52.00. Lesson learned. Here is a pic of their top of the line. It's a "Vision Pro" touch screen. There are many alternatives. PM me for other recommendations.
#2 During the summer, set your thermostat between 78-80 degrees when you are home, and 85 degrees or higher when you are away. For every degree you set your thermostat above 80 degrees, you can save approximately 2-3% on cooling costs.
You can set these new programmable thermostats to have your place already cooled down by the time you return home.
#3 Replace your disposable or clean your permanent air filters at least once a month.
Hope this helps,
Greg