Quote:
quote:Originally posted by Bigboomer
When we were ordering our new rig we opted not to not spend the $1500. Being in the glass business for the last 35 year I knew the minimal airspace on these windows does little for insulation, noise yes but pretty pricey noise mitigation.
For good insulating you need minimum 1/2" airspace and these windows are less than 3/8".
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To make "dual pane" worth while they would have to be a sealed unit filled with gas, which would cost a lot more than $1,000 or $1,500 extra. The RV version of dual pane is just like putting an extremely old fashion cheap storm window on your RV. When you really look at what the R value is for the rest of the coach you might as well have single glass in the windows.