Triple pane windows / Discussions

Which window frames are the best: Fiberglass, PVC or Fiberglass hybrid uPVC?

...windows with a casement-style window. My wish list of thermal and sound reduction points to a triple pane window. I want to purchase the best quality window that I can afford, even if it means only purchasing a few at a time. Most window suppliers that I have found at Hardware outlets offer PVC tri-pane windows. I was ...

Posted by Zarah M April 10, 2025 Windows and doors 1 response

What window frame material is best in the long run?

...pane glass windows with double pane windows. I live in Sacramento, Ca where summer temperatures exceed 115 degrees Farinhight, and winters freeze. Choosing the right window frame is a big part of finding the best performing window. In a warmer climate you are not faced with the same extreme differential in temperatures...

Posted by Charles Schumaker March 12, 2025 Windows and doors 1 response

What is the best way to seal around windows?

...windows and door on the outside. Now I'm wondering if there is any insulation around any of the  windows and doors that were all installed about ten years ago. My question is should I stuff the gaps with rockwool and seal it with tape on the inside?  Any suggestions will help. A good place to start is our page about Ho...

Posted by Bryan Squirrell Oct. 8, 2019 Windows and doors 1 response

How do you calculate window height and location for passive solar heating?

I couldn't see the answer in a search - apologies if this has already been covered. If I know that at the winter solstice the sun will be at an elevation of 20 degrees, my south facing (northern hemisphere) glazing is 4 metres high (bottom to top of windows) - then what is furthest point the sun will reach to into the...

Posted by Daniel Gardener Sept. 12, 2019 Passive solar home design 1 response

If a passive house is designed well is it worth the extra cost for Low E window coatings?

...triple glaze Argon filled windows be appropriate without the Low E coating?  The Low E coating does reduce the solar gain even if you choose a coating designed for the northern climate.  (I am in Ontario 44 degrees north).  My application would have 5x5 ft fixed windows with 5x2 foot awning style windows below and abov...

Posted by Joe Van Kuren June 7, 2019 Passive solar home design 1 response

What is the best way to frame window openings when adding exterior insulation?

...windows on this page. And have you chosen windows yet? We have a page on how to choose the best windows and what to look for in window performance. Choosing triple pane windows instead of double pane windows costs a bit more up front but saves money in the long run, but they also lead to greater thermal comfort in your...

Posted by Anwas Qwelten May 30, 2019 Windows and doors 1 response