I had the crank out jalousies on my last rig and in temps colder than 45, they created noticeable cold areas in an area of about 2 feet in the vicinity of them, like behind a sofa, etc. It was not a draft, just colder ambiant air.
In our Excel with the dual panes there is no similar temp drop close-by the windows, and it is as quiet as the grave in there. I was sceptical of the claims of a drastric difference, but I am now a believer.
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2007 Excel 30RKE
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