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energy factorEnergy Factor is a value which measures the energy efficiency of water heaters and considers off-cycle and other losses in addition to steady-state efficiency. The efficiency of fuel-fired domestic hot water equipment is expressed as the energy factor (EF) or thermal efficiency. The higher the number, the more efficient the water heater. The effi [..]
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energy factorThe Energy Factor (EF) is the best measurement of a water heater’s overall energy-efficiency. A higher Energy Factor means a more efficient water heater and energy cost savings for the homeowner.
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energy factorOverall efficiency of a water heater calculated by testing tank draw efficiency, recovery efficiency, and standby efficiency using the DOE protocol.
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energy factorA measure of water heater overall efficiency.
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energy factor(EF). Efficiency measure for rating the energy performance of dishwashers, clothes washers, water heaters, and certain other appliances. The higher the energy factor, the greater the efficiency. In so [..]
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energy factor A measurement used in the United States to measure energy efficiency of appliances including dehumidifiers and water heaters.
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