Triple-panes on their way out?

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Mark
Posts: 67
Joined: Thu Oct 07, 2004 9:26 am
Location: Atlanta

Triple-panes on their way out?

#1 Post by Mark »

On the below website http://www.michaelholigan.com/departmen ... C5EKFX5WN5 it says
Triple-Pane windows were once thought to offer the best insulation, but they're being phased out now because double-paned windows with Low-E glass insulate better than the (very expensive) triple-paned windows of old.
Do you believe that ?

Window4U (IL)
Posts: 1548
Joined: Thu Oct 07, 2004 8:46 am
Location: Sales and Installation in Chicagoland and Central Illinois

#2 Post by Window4U (IL) »

Michael Holigan is 25 years behind the times with his outdated news.
The triple-paned windows of the past were replaced by double-paned low-e windows. The old triple-paned windows of the late 70's and early 80's had an R-factor in the R-3 range. With the advent of Low-E coatings, triple-panes were no longer practical because double-paned Low-E had the same insulation value without the extra pane.
This is old news and has nothing to do with what is happening in the industry today .

New technology such as modern spacers, multiple coats of Low-E and the use of krypton gas have revived triple as a super-insulated option much better in insulation value and durability than it's predessor, and much better than any double-paned glass.
If anything, I would say the use of triple glazing will see an increase in use in the future, not a decrease.
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