Hi everyone So bought a house with an oil fired water heater and am looking for ways to keep the furnance off (I heat mostly with wood stove). Anybody in a similar situation? Ive been looing into on demand or solar supplement. Any other ideas? Is the right section? The extent of my knowledge on solar is http://www.dummies.com/how-to/content/choosing-a-solar-system-to-supplement-your-water-h.html Thanks!!