hausdok Posted May 4, 2007 Report Share Posted May 4, 2007 By John Tomlinson, Oak Ridge National Laboratories Why do we need new water heater technology?id="size4"> Water heating accounts for 17% of the energy used in a typical household. Conventional electric resistance water heaters have just about reached their efficiency limit, at 95% efficiency. New technologies, not just improvements to existing ones, are needed. ORNLââ¬â¢s new ââ¬Ådrop-inâ⬠Link to comment Share on other sites More sharing options...
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