Ever wonder what it would cost to leave your car running in your garage all night long, just so it would be warm when you got up to go to work? Or to leave your heat at 75 degrees while you were on vacation, just so the house would be warm when you get home? What about turning all the lights on in your house all day long while you are at work, just so you wouldn’t have to turn them on when you get home? I think you get the point. Tremendous and useless wastes of energy, right?
Well, these are not too far off what it’s like to have a water tank in your basement churning away all day long while nobody is there to use that water, and all night long while you are asleep. The energy being generated by your water heater (at miserable 60% efficiency) is lost through the jacket and chimney, along with the natural cooling of the water. We call these “standby losses” and they are excessive and unnecessary.
Tankless water heaters are a more efficient way to heat water. Tankless heats water quickly and delivers an endless supply of hot water for as long as you need it. With tankless, you only pay to heat water when you need it and for as long as you want it. Tankless is also the perfect backup system for solar thermal, as they only expend energy when it is needed - and only enough energy needed to reach the desired water temperature.
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