Ive decided to use the water heater tank as a space heater of sorts. We have an old cast iron radiator that I think would be perfect to heat our bedroom with. Since the bedroom is on the opposite side of the house from the wood stove, but also on the south side, this is good.
So far the plan is to setup the tank just like a batch style water heater, except since it gets so cold here in the winter, Im going to run a glycol solution to prevent freezing, and rather than use the hot water, Im going....

Do It Yourself Solar