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I am currently planning a new cabin at Shaver Lake California with elevation of about 5000 feet . The winter time low temp can get down to 10 degrees with Dec. and Jan. average low of about 21 degrees and daytime summer high average of about 87 degrees. My question is this. Should I consider triple pane windows with SHGC of 40 to 50 for winter time warmth?
I currently live in the San Joaquin Valley where we typically use windows with the lowest SHGC we can find and just accept whatever U-factor the specific window type and manufacturer provides.