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Old 06-29-2011, 08:49 AM   #1
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Insulation missing from condensor pipes - Big deal?


What kind of efficiency is being lost by this partially insulated pipe? Why is one insulated and the other is not? Thanks.
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Old 06-29-2011, 10:09 AM   #2
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Insulation missing from condensor pipes - Big deal?


Not much different for that small section. but it is good to insulate it again. The small copper line is about room temp, there is no need to insulate the small line. but the big line is very cold, needs to be insulated.

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Old 06-29-2011, 10:10 AM   #3
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Insulation missing from condensor pipes - Big deal?


On a Heat pump, that larger pipe carries the heated or cooled refrigerant, depending on if wanting to heat or cool the home. On a A/c, it is only cooled refrigerant, because there is no reversing valve on a A/c.
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Old 06-29-2011, 05:16 PM   #4
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Insulation missing from condensor pipes - Big deal?


Only losing a hundred to 200 BTUs from that uninsulated section, in cooling mode.
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Old 06-29-2011, 05:18 PM   #5
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Insulation missing from condensor pipes - Big deal?


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Only losing a hundred to 200 BTUs from that uninsulated section, in cooling mode.
That sounds like a lot.
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Old 06-29-2011, 05:24 PM   #6
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Insulation missing from condensor pipes - Big deal?


Connections look like they go to a Lennox ,about a 4 ton. That's roughly 48,000 BTU so 100-200 loss is next to nothing.
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Old 06-29-2011, 05:27 PM   #7
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Insulation missing from condensor pipes - Big deal?


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Connections look like they go to a Lennox ,about a 4 ton. That's roughly 48,000 BTU so 100-200 loss is next to nothing.
Wow. You guessed it right. Lennox. Not sure of the tonnage though. Nice.
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Old 06-29-2011, 05:37 PM   #8
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Insulation missing from condensor pipes - Big deal?


A 1.5 ton unit is a nominal 18,000 BTUs. So at a 200 BTU loss, you would be losing .0111% of your total capacity.

Also, that 200 BTU loss, would be on the hottest of the hottest days.
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Old 06-29-2011, 06:07 PM   #9
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Insulation missing from condensor pipes - Big deal?


You can actually go to the local hardware store, and get the insulation that is for 3/4 piping to put over that section. Just cut away the bad, and place the new piece. Just secure with either Zip ties, or a couple of wraps of Electrical tape to hold the new piece securely.

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