The Whirlpool N40S61-403 and Ecosmart ECO 27 water heaters have top ratings from reviewers, according to Consumer Search. Other highly rated models include the GE GeoSpring GEH50DEEDSR and the Steibel Eltron Accelera SBB... More »

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The most efficient General Electric water heaters in production in 2015 are models in the GEH and BEH series. These models have an energy factor rating of 3.1 and are certified as ENERGY STAR water heaters by the U.S. De... More »

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Manufacturers list the water heater capacity on the ratings plate. With tank-style water heaters, the capacity is in gallons. This plate includes other important information, including the manufacturer, model, serial num... More »

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Flash water heaters, often called tankless water heaters, are more complex than traditional water heaters, so there are more components that can malfunction. In addition, traditional systems have been around much longer ... More »

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According to Consumer Search, the Whirlpool N40S61-403 and the Rheem 42VR40-40F are the best gas water heaters for the home. These energy efficient models offer well performing machines for the cost. More »

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Double-wall vents pipes are used for ventilating gas appliances that have draft hoods and other appliances such as water heaters, space heaters, boilers and furnaces. Double-wall vent pipes can be used to form an uninter... More »

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Inline water heaters, also called tankless water heaters, work by routing cold water through a heat exchanger and pushing it out of the tap. In comparison to traditional setups, which keep a tank of water heated constant... More »

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