Quote:
Originally Posted by hayden55
Especially in the summer. Most of us have oversized units that don't run for long enough to remove humidity in the air so they end up very humid inside.
My current house I have calculated can keep my house cooled to 75 from ~135 degrees and warmed to 70 degrees from -41 degrees. Needless to say i didn't freeze in the -5 the other day as the furnace only ran for 9 hours. lol
But yeah typically the newbies down here trying to do spray foamed sealed houses end up delivering extremely efficient but humid and moldy houses.
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My 5-ton AC is a 10SEER (I think), probably whatever the legal minimum requirement was in 2003. It runs continuously in the summer from 3pm-7pm on a 100 degree day and can barely move the temperature down from my 78 degree setpoint. That particular day consumed 54 kWh. That's like $7!
Total AC consumption for 2022 was 987 kWh for $126.
I'll have to do some calculations as you've suggested to see if my experience matches the calcs. Could indicate problems if not.