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re: New Construction HVAC question

Posted on 11/1/18 at 9:32 pm to
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3885 posts
Posted on 11/1/18 at 9:32 pm to
Just as a Q on condenser units. They are a compressor, most are now scroll type, and a condensing coil. Basically a simple unit.

How can they all be so different in efficiency ?

Coil types, size, compressor efficiency ?
Posted by TigerstuckinMS
Member since Nov 2005
33687 posts
Posted on 11/1/18 at 9:37 pm to
quote:

How can they all be so different in efficiency ?

Motor electrical efficiency
coil geometries
heat transfer equipment material selection
compressor mechanical efficiency
refrigerant efficacy
effectiveness of airflow design

There's a lot that makes a difference. In short, efficiency costs more, so a lot of the difference can be attributed simply to concessions manufacturers have to make in construction and materials to meet customer expectations in terms of price.
This post was edited on 11/1/18 at 9:41 pm
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