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single stage or two stage out door unit

Posted by carl883 (My Page) on
Mon, Aug 1, 11 at 9:44

Should I get a single stage or a dual stage. The contractor
is saying a XLI15 heat pump will do the job,But I dont want
tempature varation in the house. The XLI16 is a dual stage
is it more economicial ???

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RE: single stage or two stage out door unit


What size are you looking at?

I think a two stg is more about comfort than operating cost savings. You need to weigh cost differences and a reasonable payback period. I have found that it can be difficult to justify from a monetary standpoint.


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