Quote:
Originally Posted by ttoyoda
Well somewhere in between, but closer to the teapot. The thermos does not have copper pipes sticking out thru the vacuum jacket.
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Exactly ... which is why the first thing you should do is minimize heat losses! Fixing a dripping hot water faucet will save you more than a timer, as will insulating. But if the timer is free ... then its a no brainer.
I shudder when I see people spend $5,000 for a tankless water heater to save $130 a year on hot water. A lot of energy saving projects are that way, and that's fine if you want to spend the money. But for most of us, we should do the "biggest bang for the buck" stuff first.