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re: Whats more energy efficient ?
Posted on 8/2/16 at 1:13 pm to Korkstand
Posted on 8/2/16 at 1:13 pm to Korkstand
quote:
The rule of thumb is just that... a rule of thumb. Did you tell any of these AC companies that it only runs for 5 minutes? Actually, have you timed it yourself? Does it do this in the heat of the day? How long does it stay off for?
Thanks for pointing this out, I was about to. That is for a specific efficiency unit (used to be SEER 12 but may now be 14 for the "standard")
quote:
The startup current for your compressor is probably only 5X higher than the running current, and it's only for a few seconds
Exactly, probably actually less than a second on the surge in many instances. The issue I see is that despite having a ton of insulation, he is losing heat fast enough to cycle back on. Sounds like a thermostat issue with the dead band temperature. Check to see what that is set at, if possible. Something is not right here.
1
Posted on 8/2/16 at 1:17 pm to mdomingue
quote:
The issue I see is that despite having a ton of insulation, he is losing heat fast enough to cycle back on. Sounds like a thermostat issue with the dead band temperature.
He has roughly double the cooling capacity of what the "rule of thumb" actually states. That could be part of the problem.
ETA...nevermind...I see what he did there. The rule of thumb is more like 1 ton per 500 square feet...not 0.5 tons per 500 square feet.
This post was edited on 8/2/16 at 1:21 pm
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