
Expert Advice for your Lawn & Garden TV Host of Today's Homeowner® and home expert for The Weather ChannelVideo, Plumbing, Thinking Green Published 07/14/2008 by Danny Lipford
Heating water accounts for 25% of the energy used in homes. While a tankless water heater costs three times as much to install as a conventional tank type, it can pay for itself over time in the energy saved. That’s because conventional water heaters use energy around the clock to keep the water in the tank constantly hot. Tankless models, on the other hand, only heat water as you need it. This can result in a 20% to 30% saving in the energy used to heat water.