Tag Archives: water-heater EF

Water-Heater EF: How It Factors Into Your Purchase

Water-heater EF refers to the water-heater’s energy factor, which is based on the amount of hot water your water-heater produces per unit of fuel it consumes over a typical day. Your water-heater’s manual or the product literature provided by its … Continue reading

Posted in Water Heaters | Tagged , , , , , | Leave a comment