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Heat Pumps

 
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Old 09-21-2010, 06:49 PM   #1
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Heat Pumps


New to the trade, but i have a heat pump qusetion. With a Split system with an air-handler in the attic Who manufactures the most efficeint equipment out there? The next question, carrier, reem, bryant, all have a 19 seer unit but they say they dont want it to operate if its 55 deg or below is there another manufacturer that will go lower?

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Old 09-21-2010, 07:02 PM   #2
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Re: Heat Pumps


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Originally Posted by Superheat View Post
New to the trade, but i have a heat pump qusetion. With a Split system with an air-handler in the attic Who manufactures the most efficeint equipment out there? The next question, carrier, reem, bryant, all have a 19 seer unit but they say they dont want it to operate if its 55 deg or below is there another manufacturer that will go lower?

Thanks
The size also determines how much efficiency you will get. The model line will be "up to 19 SEER". But the 5 ton units may only reach 15.5 or 16.5 SEER.

I think you have that 55 degree think misconstrued. It may be if the house is less then 55 degrees inside.

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Old 09-21-2010, 07:40 PM   #3
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Re: Heat Pumps


I'm bad, Carrier Infinity, home owners manual states do not run your ac when the out side unit is 55 or below and do not run your heat pump when the out side is 66 or above. So how low can this equipment go and still give you heat?
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Old 09-21-2010, 07:45 PM   #4
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Re: Heat Pumps


Some -10F, some -20F, and 1 brand, -30F.

The Infinity I believe is -10.
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