The UCSD students who tested the prototype water heater system
A prototype system installed at one of the test sites
A prototype water heater system that uses cold water to make hot water pictured with Slater's assistant, David Dawson
Apart from heating and cooling the house, water heating is one of the biggest energy drains in the average home. But what if you could literally use cold water to create hot water? That’s just what San Diego inventor Hal Slater claims to have done with the creation of a water heater system that promises to improve water heating efficiency by as much as 50 to 100 percent.
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