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Old 07-17-2020, 01:34 PM   #1
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Reducing A/C Costs

Wife and live in Texas in a Redwood 5th wheel We've seen an elevated cover that sits above your roof and ac units the entire length of the rv. It helps block the sun and reduces your ac costs. Anyone know the product/vendor name? Web site?

Thanks
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Old 07-17-2020, 03:01 PM   #2
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ive talked to a few and they dont work as well as you think. they help hut there not the miracle. more RV is the solution.
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Old 07-17-2020, 04:44 PM   #3
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Any shade you can get will help but then your talking being in a building. Sun on the walls, through the likely single pane windows, and of course the roof transmits heat to the RV. Keeping blinds closed will help limit but now you're in a cave. When I spent a late summer in Tucson AZ I lined the western windows with a foil backed bubble wrap. Looked like crap but blocked a lot of heat. My current RV, Raptor toy hauler, I ordered with the dual pane windows and it's very noticeable the improvement. RVs, unless you get very high end, are poorly insulated PERIOD. Even a Prevost bus is poorly insulated by typical house standards but then you'll notice 5+ air conditioners on the roof.
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Old 07-17-2020, 04:57 PM   #4
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What is “more RV”?...do you mean a bigger RV?? Or is that a product??
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Old 07-17-2020, 06:13 PM   #5
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I'm in 104 weather right now here in Nevada.....Reflectix works great...I've linen all upper cabinets and some lowers, added slide toppers, start A/C early, but let it cycle, and added a squirrel cage fan.....it's 18 degrees cooler in here using a 13,500 unit.....
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Old 07-17-2020, 07:35 PM   #6
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How do you use the Reflectix. I have a 43 ft 5th wheel. Do you cover the roof with it and tape it down? I read that it is waterproof and good insulation to use year round.
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Old 07-17-2020, 07:47 PM   #7
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Cuts with scissors, so it'll go where ever you want to put it......have thought about trying the roof, but as an experiment....Gorilla tape if your sitting there.....don't know about traveling...I let the window shades hold mine in place....and yes, also helps in winter
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Old 07-18-2020, 09:04 AM   #8
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Quote:
Originally Posted by zagato1750 View Post
What is “more RV”?...do you mean a bigger RV?? Or is that a product??
More RV is a higher end unit. Better built. My rig has seen west texas and the 110-115 degree heat it and it doesnt even flinch. Seeing the heat in lesser built units over the years this big heavy monster is worth it. Go used and as high end as you can afford. Believe me there is a huge difference. Better windows better insulation and of course air conditoners get very quiet doing this. Downside is the rv gets heavy in a hurry. Bigger trucks for bigger rigs. Question is how many other things will you concede to.....to stay cool in the summer.

If you dont have window awnings invest. I actually have a rear awning shading the windows in the back.
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Old 07-18-2020, 06:38 PM   #9
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Silicone vs Acrylic?

I've moved away from Shade RV and/or Reflectix material being taped to the roof. I'm focusing now on an Acrylic or Silicone covering that is more permanent.

From reading a 1000 or so articles and ratings it seems I can summarize as follows. I'd be interested in your feedback.

Acrylic: Less expensive but doesn't reflect sun as well and tends to deteriorate faster. Need to re-apply more frequently.
Silicone: A little more expensive and more difficult to work with. Will reflect sun more effectively and will last longer. Difficult to remove if ever needed.

Since our 5th wheel isn't used for travel, the risk of damage or need for removal of the sealant is much lower. Therefore, I'm leaning toward the silicone option (Henry Tropi-Cool)

Anyone with experience on thi trade-off?
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Old 07-19-2020, 12:52 PM   #10
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I opened up the return air as large as the covers. Also added two extra ceiling vents. Made a huge difference in our 2013 Crossroads Rushmore. It get over 100° here in SW Washington.Click image for larger version

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Old 07-19-2020, 01:03 PM   #11
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Also installed window shade coverings. Cut the heat about 40% or so. From Canada.
EZSnap.com.Click image for larger version

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Old 07-19-2020, 06:56 PM   #12
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We are in a 2020 Columbus (middle of the road unit) with single pane windows. We are full timing for this tour (I’m military) in Deep South TX (pretty much MX) and see 100 degrees plus with heat index daily for 4 months out of the year, at a minimum. We installed window coverings similar to the pictures posted, keep day and night shades closed the majority of the day, have two of three exhaust fans covered with insulated pillows and run two dehumidifiers non-stop. The main area has a 15K BTU AC and the front has a 13.5K BTU AC. We set the temp at 75 on both units. The bunk room (off the kitchen) and the front bedroom are usually around 80 in the heat of the day. The main area and bathroom stay at 75 all day. It’s pretty comfortable. We are planning to move the 15K unit to the front and buy a 15K unit with heat pump before next summer; hoping that helps even more. Overall, we are pretty impressed with how it maintains temps. We moved into this unit from a high end, older Class A. The Class A maintained good temps, but the ACs never stopped running. The rear unit is able to keep up without running all the time in this unit.
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Old 07-20-2020, 03:07 PM   #13
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I've also tinted my windows. Tint film bought at Home Depot.
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Old 07-31-2020, 12:19 PM   #14
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Remove the ceiling directional vent covers. They restrict air flow. Also look for pilot hole in the ducting. I seal with foil tape. I also install foam spacer in the ducting to increase air flow. Every little bit helps. When it's 109° outside.Click image for larger version

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