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Old 12-14-2017, 08:30 AM   #1
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Dual pane vs single

We are looking at the Tiffins and we were going with the 37 Red but now find out they just come with the 1/4 inch single pane windows. Our last coach was a Winnebago with dual pane windows and they were great. Do the single pane windows work as well in the Tiffins or should we change to the Phaeton line?

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Old 12-14-2017, 08:38 AM   #2
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The singles do not work as well. When we were in cold weather there was condensation all over the inside of them

Steve and Joy
2012 Winnebago Tour 42JD
Where we are now
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Old 12-14-2017, 08:59 AM   #3
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Dual pane vs single

Phaeton 40QBH here. We drove a RED and did like it very much, but ended up getting a Phaeton. This is our first MH and we had very little criteria because, we’ll, we were newbies. I wanted DP with 350HP minimum. She had to be happy with the layout and furniture. That was it. This was a year ago and have been very happy with the decision. Our criteria decision never even considered the little things like you’re pointing out. After making the jump, having it for a year, reading these forums and now realizing all the small differences, we’ve felt lucky we made the move. We put 10K miles on it this year. Safe travels.
Les & Pam
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Old 12-14-2017, 09:00 AM   #4
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We had a RED with single pane windows and now a Phaeton with the dual panes. I will say the double panes are better, but I don't think that would be a deciding factor for me if all else were equal. The double pane windows are darker tinted than the ones in our RED and that is a big bonus.
Dan & Ro with two Rescued Boston "Terrorists" Jade & Jewel
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Old 12-14-2017, 09:16 AM   #5
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Not familiar with either MH's, but single pane windows will develope more condensation then double pane and allow more heat loss.
Neal and Deb + Mya and Gizmo, the pup's
2003 Winnebago Sightseer 30B

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Old 12-14-2017, 12:35 PM   #6
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A picture of a single pane window in our old Winnebago after the dog tried looking out the window. Newer Tiffin single pane is better. Did last winter in snowbird country with only the windshield fogging up every night.
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Old 12-14-2017, 12:59 PM   #7
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If you can afford it, go for the Phaeton. The windows are Tiffin designed/manufactured and are really good. Lots of other benefits going to a Phaeton as well.
Roger & Mary
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Old 12-14-2017, 01:11 PM   #8
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Dual pane windows on my Southwind have some type of air leak as nearly all have a bad film on the inside. Some type of screw up by Fleetwood glass supplier. Would cost me over 2k to change them all out. No warranty now.
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Old 12-14-2017, 06:07 PM   #9
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If that’s the biggest reason you can find for going to a Phaeton, then it’s not worth it. Otherwise, the Phaeton has it all over the Red in other areas. Just make sure the DW loves the floor plan no matter which one you choose.
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Old 12-15-2017, 07:00 AM   #10
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Originally Posted by swheels View Post
We are looking at the Tiffins and we were going with the 37 Red but now find out they just come with the 1/4 inch single pane windows. Our last coach was a Winnebago with dual pane windows and they were great. Do the single pane windows work as well in the Tiffins or should we change to the Phaeton line?
Our previous motorhome had dual "pain" windows that failed after several years. Almost every window fogged up ... some so badly you could hardly see out of them. This has been a constant problem with double pane windows in RV's. The failures may be due to the vibration and significant pressure changes as we travel over bad roads and mountains.
Our 2014 Allegro 34TGA has the Tiffin quarter inch single pane windows, and we love them. They are crystal clear and easy to clean. We notice no difference in condensation during cold weather. However, most RV's are way too humid inside during cold weather due to moisture buildup from taking showers, cooking, and just living in the RV. We always run a small dehumidifier during cool weather. It not only removes excess moisture, but it adds a bit of heat as well. Until the industry comes up with "everclear" dual pane windows, I personally would stay away from dual pane!
Gary Orwig

2014 Tiffin Allegro Open Road 34TGA
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Old 12-15-2017, 08:55 PM   #11
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I have built and rebuilt a lot of insulated glass units, and was surprised by the lack of use of Desiccant inside the mobile glass. Desiccant is a crystal like the silicon pacs you see inside some packaging.

If glass is failed, you can just replace the insulated glass itself from any good glass shop. The frames and glass surrounds are fine.

A double silicon sealed double pane unit done right should be immune to elevation, or vibration.
2004 Fleetwood Tioga SL, On the move to a 2019 Ford F750 Chassie (same body).Trek pure Trike,electric, 50 mile range, 980 miles the get everything runner.To be toad list Done, Ford E450 toad.
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Old 12-16-2017, 08:53 PM   #12
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Have a RED, and windows have been fine. I read so many horror stories on the different forums of having to replace dual pane windows, I didn't look at dual panes as a true benefit. I figured any improvement in insulation, is offset by the risk and cost of having to replace. Since all RV's aren't very airtight anyhow with the slide seals, not sure 'insulation' is really that much of a factor at all.

I have 3 windows in my S&B to replace because of fogging....job for the spring.

Don't think either one would be a decision maker. You're only talking about the small side windows, the big front is the same either way.
DaveB, Raleigh, NC
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Old 12-16-2017, 10:36 PM   #13
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It doesn't matter what brand of MH you have. Single pane windows will not provide the insulation of dual pane, and this is for cold and heat.
Tony & Ruth........... FMCA#F416727
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Old 12-17-2017, 12:57 AM   #14
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I have dual pane windows in mine coach. As far as I know - all are original and in good shape. (I'm sure that will change now that I've said that). I will say I think it makes for a much quieter coach. We really don't hear much of anything going on outside. Its very quiet and I attribute part of that to the dual pane windows.

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