Alex - I think you hit the nail on the head. My house is quite old w/ poor insulation and windows. My only hesitation is that it would be a large project and I don't know if we will stay in it long enough for payback.

Electricity costs about $100/month so its not a huge killer. My wife likes to have a million little lamps on everywhere and it drives me nuts. There is a florescent light over the kitchen sink that she leaves on 24 hours a day, but I consider 7 cents a day to be a good investment because it avoids my constant nagging. I'd bet a new refridgerator would save us quite a bit, but the old one simply refuses to die.
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- Tom S.

"Never trust and engineer who doesn't carry a pocketknife."