Cartoon Network

08 July 2016

Re: [DIY] AC electricity usage

 

In broad terms, the total length of time the AC runs is proportional to the temperature differential between outdoor (measured) and indoor (thermostat setting).  The greater the differential, the longer the AC runs.


Bob Davis
cell: 713-703-0499
bob@wrobertdavis.com



On Jul 7, 2016, at 3:51 PM, subprong subprong@gmail.com [DoIt_Yourself] <DoIt_Yourself@yahoogroups.com> wrote:


Curious about this.  They say the cooler your run your AC unit, the more it will cost.

Let's say all factors are the same.  Outside temperature, insulation and all.

If it's 95 degrees F outside...

A. You have your indoor thermostat set to 75F.  Your AC will be frequently running because it will always hit 76F, given that the outside temp is 95 (90's throughout the day).

B. You have your indoor thermostat set to 80F.  Your AC will be frequently running because it will always hit 81F, given that the oustide temp is 95 (90's throughout the day).

Is the idea that it takes longer for a higher indoor temperature to increase one degree versus a lower indoor temperature to increase by one degree?  Hence, the AC would kick on less frequently?  ...even just between the difference of setting it at 75 versus 80.

The thing I can understand is if by chance the morning and evening temperatures reach 76-80 and thereby won't or less likely to kick on the AC if you have it set at 80.





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Posted by: Bob Davis <bob@wrobertdavis.com>
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