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References in periodicals archive ?
This system is unlike a normal hot water heater where it has to keep the water hot constantly.
Additionally, when the system is in cooling mode, the removed heat transfers over to the hot water heater, which in effect gives us "free" hot water.
Our experiment tested the coil method for 14 days and then the separate hot water heater for another 14 days.
2 million in rebates to New Hampshire residents for the purchase and installation of solar-thermal hot water systems and for upgrading heating systems, including boilers, furnaces and hot water heaters to more energy-efficient models.
The hot water heater is Bosch, again, expensive initially.
But he wasn't completely certain that a new hot water heater would address all of the operational, maintenance, and management issues.
The greatest inefficiency of a hot water heater lies in the heat [the tank] loses during the time it sits around," says Yen Chin of Seattle City Light.
Since the standard hot water heater is on all the time, adding extra insulation will save more energy than you think.
The hot water heater uses carbon dioxide recycled from the production of industrial goods and is environmentally friendly, although carbon dioxide is one of the so-called greenhouse gases that are blamed for global warming.
A Cardiff-based company is turning the heat up on Asia with a new solar hot water heater which almost twice as efficient as conventional models.
Tenders are invited for domestic hot water heater replacement.