October 20, 2010

In my experience tankless water heaters are the way to go in areas with little sun.

In sunny areas, water can act as an energy sink, absorbing excess energy from your solar panels once any batteries are fully topped up.

But in places where that is not an issue, tankless water heaters can be very energy efficient. My own preference is for gravity fed water, ie your water source, such as a rainwater storage tank, is above the location of the tankless water heater. That way you are not relying on pumps to push the water through the heater, as that requires another energy supply, as the following Q&A from a Winnipeg newspaper shows:…