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Very much this.
Ahh. No, R-values are also different in imperial units versus metric units. (And of course U-values as well). 1 U-value (BTU / (ft^2 * hour *...
A plain double pane window would be about R-2. Those triples are around R-10, selective coatings, gas filled, and with very small frames. Here...
Not in New England it won't. :) :rolleyes:
Maybe. Once you have decent windows on the outside, I would recommend forgetting the inner ones. Good windows on the outside make the hole in...
Light transmission is not the stat you want, rather SHGC (Solar Heat Gain Coefficient), which is usually given on the tag of windows. Some double...
Only in that you didn't include solar heat gains through the window... Or there could other things, I didn't convert to check, I am used to...
Yes, NET heat losers. Heat gain from solar - Heat loss.
Yes. Windows like you describe are heat losers, and cost 17 cents per ft^2 per year (South facing windows, electrical heat $0.158/ kWh, 7500...
Yes, you do! It isn't as much as you think. You are currently thinking about two places with windows, at least one of which *needs* to be at least...
I can't. Not in Michigan. It is a desert cooling system, and doesn't fix the main problem in other climates, namely humidity. What it will do...
Don't hope; know. Why make an over-sized solar collector, shading your house, when you can make an appropriately sized one, mount it on the...
If you get to that point, look up my interior storm windows: Green Fret Consulting - Interior Storm Window Basically the same film mounted to...
That isn't the way heat works. It moves from hot to cold, you can't hide it away (without insulation). And if it was, you wouldn't like it. A...
But you aren't considering that all those windows LOSE heat as well as gain it. Shades as insulation have been shown to be pretty much a failure....
And my question for you becomes how is this better than a window, with triple pane glazing? The inhospitable area is 1/2" between two layers of...
If you don't plan to live in it, you are talking about a solar thermal collector (air or water). If you are talking about long term storage (>...
The important part in all this is to not get too attached to any idea. Before you take the word of 'purists' (or me for that matter), find out...
You are getting into this field in the same way that I did. I wanted to build a home in Maine that did justice to the beauty of the environment...
Free insulation is awesome, but it still requires infrastructure, and I find it hard to imagine that much is ever viable. Do the numbers for...
