The Department of Energy announced this week that the new standards for residential water heaters will more than double the efficiency of electric storage water heaters relative to today.
The government estimates that 50% of the newly manufactured electric storage water heaters will utilize heat pump technology, compared to 3% that use it now. These electric storage water heaters are expected to use about half as much energy as today's tanks, experts say. The proposed changes set off a firestorm in Congress, with Republicans proposing legislation to stop new appliance standards.
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