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Old 08-15-2019, 05:51 PM   #1
Winnebago Camper
Join Date: Aug 2019
Location: San Diego
Posts: 7
Dual-Glazed Windows???

Hi All!

For those of you who currently have dual-glazed windows, or have previously had them, if given the chance to do it all over again, would you go dual-glaze or not?

How much thermal benefit do you think they provide?

Any problems with fogging over the years?
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Old 08-15-2019, 07:45 PM   #2
Join Date: Mar 2018
Posts: 323
Have them all around, except rear facing emergency exit, and cab sides/windshield, total of 4.
So far, so good. Not sure about thermal factor, as haven't used them in any extreme temps yet. No fogging/clouding. No problems at all.

I do wish Winnebago had designed a way to open/close them from inside the coach, without having to manually move the screens/shades out of the way, and then push them open manually. A crank or lever activated system to open/close would be much better.
2018 (2017 Sprinter Cab Chassis) Navion24V + 2016 JKU (sold @ ????)
2016 Sunstar 26HE, V10, 3V, 6 Speed (sold @ 4600 miles)
2002 Roadtrek C190P (sold @ 315,000kms)
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Old 08-16-2019, 11:42 AM   #3
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Join Date: Sep 2016
Location: Mesa, Arizona
Posts: 22
We have them. It was on the 'must have' option list.
Reduces heat, cold, and noise infiltration.

Had them on two previous Class A coaches also. Have never had one fog up, or need to be replaced.

Would not buy an RV without them.
2017 Winnebago Spirit 25b
Nothing fancy about it.
Exactly what we wanted.
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Old 08-17-2019, 12:42 AM   #4
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Join Date: Mar 2019
Location: South Bend, WA
Posts: 195
The Minnie Winnie 22Ms thermopane windows slide-open easily, leaving the bug screen in-place. For the first eight months, they have not leaked, they do not fog-up, and they keep the coach warmer in the winter and cooler in the summer. I highly recommend them.
2019 Minnie Winnie 22M on an E-450 frame
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Old 08-21-2019, 05:39 PM   #5
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Join Date: Mar 2008
Location: Southern Ontario
Posts: 493
They are worth the cost if only for the noise reduction. You will not get condensation on the inside pane with a significant temperature differential as you could from a single pane window. Go for it - you won't be sorry.
09 Journey 39Z
Southern Ontario
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Old 08-21-2019, 05:51 PM   #6
Winnebago Camper
Join Date: Feb 2017
Posts: 48
We have a 2003 Journey with dual pane windows. The driver's side window way up on top (nearly out of view while driving) gets water between the panes. It's a pain but not cost effective to fix. We use it as a rate of climb meter/level guide.
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Old 08-21-2019, 06:22 PM   #7
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Posts: 54
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We winter in Florida and they are a must have! As well as Magna-shades on the windshield and driver side window! Even with inside solar screens!
'14 Winnebago Journey 42E
'02 FR Georgetown 325D
'95 Damon Hornet 305
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Old 08-21-2019, 06:43 PM   #8
Winnebago Owner
Join Date: Oct 2018
Posts: 62
We had a Class A Monaco which had dual pane, and definitely worth the extra cost. Tinting and acrylic open out Dual pane on the Via. With the dual pane glass, we had to have several repaired. There are places which specialize in the repair of fogged windows--usually can just fix and re-seal your window--no exotics like argon.
Bob Austin--celebrating 57 years of RVing
2013 Via 25T
Pensacola, FL
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Old 08-21-2019, 06:46 PM   #9
Winnebago Master
Join Date: Nov 2018
Posts: 507
Heat/cool advantages, yes but the sound deadening is the real point for us. Sound travels by vibrations, so one sheet of glass can pass that noise vibration quite easily to the inside but if there is a second pane, the first vibration from the outside has to be strong enough to make the second vibrate as well. Huge difference if you wind up along an interstate or railroad.
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Old 08-21-2019, 07:30 PM   #10
Winnebago Owner
Join Date: May 2017
Posts: 140
I vote with all who would buy them again.

Our rig is a 2006, and (knock on wood) none of our double-pane windows have fogged.

When we were shopping, we had narrowed our choices down to two rigs. Both the Sightseer 29R and the Damon Daybreak had the exact same floor plan and were similarly equipped. The lot we were shopping at (PPL in Cleburne TX) sits right on the edge of the railroad tracks. While we were going back and forth between the rigs, several freight trains lumbered by, and were blowing for a nearby crossing. The dual-pane windows actually made a noticeable difference in the sound level inside. The rigs were parked right next to each other (my request).

So, those dual-pane windows, better cabinet construction and overall fit and finish helped us select a 2006 Winnebago Sightseer with 73K miles over a 2007 Damon Daybreak with only 17K miles on it. Of course there were other little things that played into that decision too; the Winnie had the full Banks Kit on it, and another (unducted) AC added to help combat the sweltering Texas summer heat.

Come to think of it - there was another thing that we thought was a major difference. Although the generators were housed in exactly the same locations, the Generac in the Damon seemed much louder. Was it due to less rigorous mounting, or is it just noisier than the Onan? I don't know.....
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Old 08-22-2019, 07:49 AM   #11
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Join Date: Nov 2005
Posts: 1,118
The do leak and fog up over time in the cab area making it impossible to see the side view mirrors and are very costly to repair while the laminated ones in the rest of the coach have been trouble free for 18 years.

Yes I would get them again but understand the residential style thermal-pane glass windows they put in the side of the cab area are going to loose their seal after a few years or so and need attention due to condensation and fogging.

If do not have them and travel in the Deep South you may need to put in an additional AC unit, awnings, insulated widow covers, etc to make up for it.
Neil V
2001 Winnebago Adventurer WFG35U
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Old 08-23-2019, 12:12 PM   #12
2018 Minnie Winnie 22M
Join Date: Jul 2019
Location: Vancouver Island BC Canada
Posts: 11
Couldn't agree more. Dual panes were one of the MUST haves for us, for all the reasons mentioned here. We were lucky, as Eagle5 notes they were a standard feature on our 2018 22M.
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