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Swapping your outdated water heater for a high-efficiency model could slash your utility bills, and thanks to federal and state tax incentives, it might cost you less than you think. With the cost of ...
If you want to increase your energy savings, now is a great time to switch to a heat pump water heater. You can easily find one online that meets your home's specific needs, and making the switch can ...
Results showed that at a radiator and module temperature of 1039/spl deg/C and 25/spl deg/C, respectively, 23.6% thermophotovoltaic radiator/module system radiant heat conversion efficiency and ...