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Old 09-13-17, 01:03 AM   #7
JimiQ
Lurking Renovator
 
Join Date: Nov 2015
Location: Pardubice, Czech Republic
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Quote:
Originally Posted by ctgottapee View Post
...[*]There is about 3cm of space between the condenser coils and the rear wall. I want to increase this by 10-15mm, and insulate the rear wall with 5mm of styrofoam with a reflective coating, to keep the heat off (when testing, the coils heated from 16 to 26C in just 2 minutes).
> The coils already have a insulated air gap to the rear, another 10-15mm won't markedly change the resistance value. Adding more insulation won't make much difference as far as the coils go; and there isn't really any such thing as reflective coating as far as non-solar heat goes. Manufacturers would already do these things if they were effective.
You could try to enclose the coils in a separate enclosure that vented outside.
...
Coils also radiate heat (the solar heat you mention) and tin foil reflects 90%+ of this heat. So it serves some purpose.

Of course, the 10-15 mm movement of coils is mostly useless
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