I have a Thermo-Panes on my 2306. Is a matter of fact, had to replace one because some weird reason (a rock flinged from the landscaping guy weed whacker?) cracked in million pieces (tempered glass). Anyway, they are pricey and is somewhat tailor made, went through a lot of measurements with Forrest River to get one ($400+ for 1 but was a full assembly, frame and all).
There is nothing really special about them. Is a double layer glass window. Not the type that you have at home filled with some inert gas. What it does is, create an air barrier to minimize the loss/gain on temps. Also, the condensation accumulates on the outer layer, allows it to drain outside through some holes (slots on the bottom), instead inside.
I can say, they work to an extent, but by no means they are magical. On our 2306, we encountered few days bellow 30 F. The fresh water hose (filter) froze (forgot to drain the hose), that is how cold it was outside, The heating pads kept the fresh water fluid and the inside, we used a 1,500 W Electric Space Heater that really worked wonders. The problem with condensation (Behind/Bottom of Murphy Bed storage) was solved by simply opening the roof vents, no fans, just opening the vent.
In the summer they work fine, the AC keeps up with the heat, but nothing to brag about either.
That will other one with Thermo-Panes, sure, they seems to work/help.
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2016 Rockwood 2306
2016 Chevy Colorado Z82 / 2009 Pontiac G8 GT
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