Editing 2009-002

From: Genny Killin <gkillin@chebucto.ca> Date: 2009-01-15 (Thu) 17:00:17 AST To: info@solarns.ca Subject: Low e windows Hi I've got a question concerning "low e" insert windows, (if this isn't the appropriate place please direct me to that spot.) I have a new to us, eighty year old house, with blown in insulation, and bad windows (collapsing sashes, broken storms, etc), so I'm looking to replace them with vinyl insert windows. The south side of the house is the long side, (33 feet) with lots of windows and lots of lovely solar gain in the winter, and no doubt not so lovely heat in the summer, (the north side of the house has only 2 windows on it.) The question is; how much of the solar gain lost with "low e" windows? Dose savings gained from air transference through the glass, out weigh the over all the warming of the house, through the solar gain of the "non- low e" windows? I hope this question makes sense. Also would it be sensible to have the south (and possibly west) facing windows "non-low e", and the east and north windows "low e"? Thank you for you time Genny Killin (902) 429-5920

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