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#1
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Insulating A/C copper line outside
Hi All,
The foam rubber insulation on the bigger (cold one) copper line from the compressor to the house, has deteriorated from the sun and weather. Would like to replace it. It's about 2'. Is there a special requirement for this insulation, or can a hot water line insulation be used? This is the stuff commonly found at HD or similar. It does not look quite the same, as what's on there already. Regards, RichK |
#2
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Insulating A/C copper line outside
RichK wrote:
Hi All, The foam rubber insulation on the bigger (cold one) copper line from the compressor to the house, has deteriorated from the sun and weather. Would like to replace it. It's about 2'. Is there a special requirement for this insulation, or can a hot water line insulation be used? This is the stuff commonly found at HD or similar. It does not look quite the same, as what's on there already. It'll work, just won't hold up as well to weather. You can get the denser stuff at HVAC or plumbing supply. -- |
#3
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Insulating A/C copper line outside
RichK writes:
Is there a special requirement for this insulation, or can a hot water line insulation be used? This is the stuff commonly found at HD or similar. Polyurethane foam (like kids' pool noodles) won't hold up to UV exposure. The black rubber foam is good for 10-20 years outdoors. At Home Depot, at least around here. |
#4
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Insulating A/C copper line outside
"RichK" wrote in message ... The foam rubber insulation on the bigger (cold one) copper line from the compressor to the house, has deteriorated from the sun and weather. Would like to replace it. It's about 2'. Is there a special requirement for this insulation, or can a hot water line insulation be used? This is the stuff commonly found at HD or similar. It does not look quite the same, as what's on there already. I'm glad you asked, because I've got the same situation myself. I'll just piggyback off the answers given to you |
#5
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Insulating A/C copper line outside
The foam rubber insulation on the bigger (cold one) copper line from
the compressor to the house, has deteriorated Not that it matters in the slightest but the larger cold line is actually the suction from house to compressor. |
#6
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Insulating A/C copper line outside
"Steve Kraus" wrote in message The foam rubber insulation on the bigger (cold one) copper line from the compressor to the house, has deteriorated Not that it matters in the slightest but the larger cold line is actually the suction from house to compressor. Yes. I'm not sure that exposing a couple of feet of suction line will affect the efficiency so much, but it's normally insulated. Perhaps to keep it protected from the elements and reduce oxidation. I can see that inside the house, the reason to insulate may be mostly to avoid dripping all over the place. Any heat absorbed by that line (inside the house) just adds to cooling and does not lower efficiency. Regards, RichK |
#7
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Insulating A/C copper line outside
The large line runs from the house to the compressor.
Heat going into the large line doesn't "add to the cooling", it actually detracts from it. Yes, heat going into the large line does reduce the efficiency. You've got a bit to learn. The outdoor foam is designed to be used outdoors. Indoor pipe wrap isn't the same. That to learn, also. -- Christopher A. Young You can't shout down a troll. You have to starve them. .. "RichK" wrote in message ... : : Yes. I'm not sure that exposing a couple of feet of suction line will : affect the efficiency so much, but it's normally insulated. Perhaps to keep : it protected from the elements and reduce oxidation. : : I can see that inside the house, the reason to insulate may be mostly to : avoid dripping all over the place. Any heat absorbed by that line (inside : the house) just adds to cooling and does not lower efficiency. : : Regards, : : RichK : : |
#8
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Insulating A/C copper line outside
It's special stuff, designed to be sunlight resistant. How about
call a HVAC service company to do a clean and check, and put some foam on? -- Christopher A. Young You can't shout down a troll. You have to starve them. .. "RichK" wrote in message ... : Hi All, : : The foam rubber insulation on the bigger (cold one) copper line from the : compressor to the house, has deteriorated from the sun and weather. Would : like to replace it. It's about 2'. : : Is there a special requirement for this insulation, or can a hot water line : insulation be used? This is the stuff commonly found at HD or similar. It : does not look quite the same, as what's on there already. : : Regards, : : RichK : : |
#9
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Insulating A/C copper line outside
"Stormin Mormon" wrote in message Heat going into the large line doesn't "add to the cooling", it actually detracts from it. Yes, heat going into the large line does reduce the efficiency. Beg to differ, even if I'm asking a silly quiestion about the foam. Any heat "going into the pipe" _from inside the house_, is extracted from the house. In that way, it adds to cooling. It may be cooling your basement and the living room, which is not what you want. But it's not a total waste. Agree that heat going into the same pipe on the outside, reduces efficiency. Even if it's a fraction of a perent. You've got a bit to learn. I'm sure I do. We all do :-) Regards, RichK |
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