My electricity consumption is down 9% from last year. The only thing I've changed is to replace a power-hungry CRT with a higher-resolution LCD. If I'd known 9% of my electricity was going to the tube, I would probably have replaced it sooner!
I'm also experimenting with better ways to insulate windows. I'm not completely done with the first room (still working out design details), but things look very positive. It already takes more than 12 hours for the temperature to fall from 65 to 55; doing all the windows might increase this time considerably and seriously reduce the flow of cold air off the glass. Comfort level is up with only one and a half windows covered in one room.
I'll have to compare heat demand vs. degree-days later, but this could be substantial. The materials are inexpensive, and the construction methods are very basic. What would happen if everyone cut their heat requirements by 10% or more, just because they wanted to be more comfortable and spend less?
Think globally, take care of your own business.
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