Marlo Capoccia wrote: > does anyone have advice about purchasing several exterior doors We have been happy with our exterior doors from Thermotech (Ottawa ON); They are triple pane, with argon fill and 2 layers of northern low-e film. These guys really understand passive solar. I found that the US window companies seem to optimize for sun belt weather; The Canadians understand cold. Our doors have a maple veneer on the inside, which looks better than painted steel/fiberglass. They also have a triple latch system, which theoretically makes them seal better. <http://www.thermotechfiberglass.com/index.htm>
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