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#1 |
Lurking Renovator
Join Date: Dec 2012
Location: Ont
Posts: 3
Thanks: 1
Thanked 1 Time in 1 Post
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![]() turn off the breaker for the a/c unit in the off season for a hydro savings also electric stove breaker while on holidays etc.
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#2 |
Administrator
Join Date: Aug 2008
Location: Germantown, WI
Posts: 5,525
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![]() Any idea how much energy the A/C system pulls while not in use?
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#3 |
Lurking Renovator
Join Date: Dec 2012
Location: Ont
Posts: 3
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![]() Well, I read it somewhere...wish i could remember where. Hate to quess, but i'm quessing $20-25 a season. Whatever the amount was, i jumped up and turned the breaker off!....so I thought it worthwhile at that time.
If I find the source i will repost. |
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#4 |
Apprentice EcoRenovator
Join Date: Mar 2011
Location: SE Wisconin
Posts: 107
Thanks: 3
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![]() Some A/C's run a Crankcase heater on the compressor that can draw from 40-100w to keep the oil warm(forgot where I read that). This matters if you plan on running the A/C, but if it's going to sit idle for the next 6 months, no point in keeping it warm.
Adam |
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The Following User Says Thank You to launboy For This Useful Post: | Mike (12-22-12) |
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#5 |
Lex Parsimoniae
Join Date: Feb 2009
Location: Woburn, MA
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![]() Older Sanyo Mini-splits cool&heat units have the Crankcase heater on the compressor, if the unit is 24k BTUh and above.
Not sure about the AC (cool only) models. I don't think they even need it. Especially since they are turned on when it's already pretty warm outside anyways. ![]() I've noticed mine use about 40W each (I have two units), but they seem to be temperature controlled. If it's cold night followed by a warm day, I'll check the TED and sometimes, I'll see Zero watts displayed. ![]() But, even without the crankcase heater on, there is still the electronics loads of the controller boards in the indoor and outdoor units. My guess is a few watts at the most. Can't see that low on the TED.
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#6 |
Apprentice EcoRenovator
Join Date: Nov 2013
Location: Moore Oklahoma
Posts: 267
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![]() Most residential central AC units do not have crankcase heaters. Zero power used when turned off.
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