Heat pump water heater in conjunction with gas water heater
a technology of gas water heater and heat pump water heater, which is applied in the field of water heaters, can solve the problems of no hybrid, no heat pump water heater offering as a replacement, and a longer period of time to raise the temperature of the water in the tank, so as to reduce the cost of operation and installation, high efficiency, and high energy efficiency
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[0023]FIG. 1 illustrates a multiple heater type water heater (hereinafter “hybrid water heater 10) according to an exemplary embodiment of the disclosure. The hybrid water heater 10 includes a first heater type 12 and a second heater type 14, which is a different fuel or energy source from the first heater type. More specifically, the first heater type 12 is a heat pump system and the second heater type 14 is a gas burner assembly. It is contemplated that the presently disclosed hybrid water heater 10 can be installed as an alternative water heater in regions of the country that traditionally use a gas water heater, or can be used as a replacement for a gas water heater. When used as a replacement, consideration is also given to ease of replacement and includes drop-in features such as aligning and sizing with an exhaust gas flue, gas supply, water connections, and size. For example, the exhaust duct size may be 3 inches for 40,000 BTU burners or less, and typically 4 inch diameter ...
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