Quote:
Originally Posted by candyflip
We have a fairly large, but 100 year old city house. It's not very energy efficient at all.
I cringe when the bill gets paid each month. It could pay the mortgage on at least one additional rental property. 
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Think how interesting a set of thermal images would be on a house like that. You might be able to pinpoint where the largest percentage of your heat is escaping.
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