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Old 07-27-2016, 06:40 PM   #21
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So the rain let up and got mine done. Like Dan, my copper freon line was already insulated (mostly). I added a little extra to fill in the gaps.


Here you can see both ends of the insulated line are exposed.


Here it is with reflectix and some extra pipe insulation.

First test this weekend in Junction, TX. Highs will be near 100. I'll report my findings as to any performance increase.

BTW, if you do not have a 3 blade fan, you need to swap your fan with the 3 blade one. The earlier fans had problems breaking. The 3 blade fan is also quieter.
Did you wash out the coil while you were up there?
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Old 07-27-2016, 06:41 PM   #22
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Yeah I wouldn't use a coil cleaner without verifying that it's safe for the roof, so good point though for sure.

Like you I'd prolly just use water if I was cleaning the camper...
Yeah, probably not the best idea for the rubber roof.
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Old 07-27-2016, 06:43 PM   #23
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I'm very curious to see how much washing the coil and insulating the evaporator helps!!!!! Can't wait for you guys to get back so I know!! LOL
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Old 07-27-2016, 07:13 PM   #24
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Insulation of ac unit increases cooling?

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Did you wash out the coil while you were up there?


No I didn't wash coil. I'm going to test the insulation first. If the insulation doesn't yield good results, I'll wash coils and retest. Besides, coil looked pretty clean...at least to my untrained eye


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Old 07-27-2016, 10:29 PM   #25
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Can't wait to hear how it goes.
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Old 07-28-2016, 10:07 AM   #26
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Originally Posted by Magnolia Tom View Post
So the rain let up and got mine done. Like Dan, my copper freon line was already insulated (mostly). I added a little extra to fill in the gaps.


Here you can see both ends of the insulated line are exposed.


Here it is with reflectix and some extra pipe insulation.

First test this weekend in Junction, TX. Highs will be near 100. I'll report my findings as to any performance increase.

BTW, if you do not have a 3 blade fan, you need to swap your fan with the 3 blade one. The earlier fans had problems breaking. The 3 blade fan is also quieter.
I was supposed to be in Junction this weekend! I had a spot at Llano River SP, but DW said it's too hot, so I cancelled it yesterday. I'm still going up there Saturday with my dad to fill his deer feeders at the lease, but that trip is all business since he has a LONG drive after we're done.

I'm looking forward to hearing whether your work paid off.
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Old 07-30-2016, 05:05 PM   #27
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Update on this mod....

Pulled into the CG around 4:30. Ambient temp was around 98 with heat index around 105. Inside temp was 94 when we turned on the AC. So far, thermostat is at 87. Doesn't seem to be cooling any faster than before but it doesn't "feel" hot inside the camper. It is already almost 20 degrees cooler than outside so maybe it works. I'd say I need more testing to be conclusive one way or another.


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Old 07-30-2016, 07:25 PM   #28
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Almost 4 hours later, outside is 91 while Inside is 75.


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Old 07-30-2016, 08:54 PM   #29
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Almost 4 hours later, outside is 91 while Inside is 75.


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Is that better or same as it normally cools for ya?


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Old 07-30-2016, 09:05 PM   #30
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I'd say it was an improvement. Not as dramatic as I hoped but better for sure. My last trip, I set up around 1 in the afternoon. Took 7-7.5 hours to finally cool down but there were no trees. The site I'm in now does have a large shade tree so it's not a fair comparison.


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