The HVAC people here all want to run both bare copper lines for a mini split touching each other inside one insulation sleeve. This doesn't make sense to me and they can't explain their insistence. I would think one would want the hot line outside the insulation in free air to dissipate the heat before it even gets back to the compressor. But then I see line sets for sale with both separately insulated.
Insulating the cold line is obvious. What's not obvious is allowing the hot line to reduce the efficiency of the cold line before it hits the interior unit.
Can someone provide the logic for what should actually be done?
Does it make a difference if the unit is only going to be used for A/C in a climate that's always above 70 degrees?
Insulating the cold line is obvious. What's not obvious is allowing the hot line to reduce the efficiency of the cold line before it hits the interior unit.
Can someone provide the logic for what should actually be done?
Does it make a difference if the unit is only going to be used for A/C in a climate that's always above 70 degrees?
source https://hvac-talk.com/vbb/threads/2228293-Is-it-REALLY-recommended-to-run-both-bare-copper-lines-inside-one-insulation-sleeve?goto=newpost
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