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Old 07-20-20, 08:35 PM   #15
Elcam84
Apprentice EcoRenovator
 
Join Date: Jun 2013
Location: TX
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The blanket around the compressor is there for sound deadening. If your unit didn't come with one you can purchase one and put it on. They make a tremendous improvement in the sound level.

As said earlier the compressor is cooled by the return vapor line from the evaporator. And yes black absorbs and dissipates heat faster than any other color but it doesn't make and appreciable difference.

As for water on the condenser coils. There has been testing done and it shows no improvement in efficiency. In some cases it causes it's own issues with the high side pressure dropping and then the liquid refrigerant isn't pushed as hard through the TXV so now the TXV has to open more and it gets into a cyclic problem.

One interesting study showed that light amounts of dirt on the condenser coils actually improves the efficiency due to the turbulence of the air flowing through.
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