INPUT SECTION Input the following data (if any parameter is missing, calculator will set to default value). Defaults Type of Water Heater Electric Gas Electric Average Daily Usage (gallons per day)* gallons 64* Energy Factor†0.92 (electric) 0.61 (gas) Energy Cost $ / $0.06 per kWh $.60 per therm Quantity of Water Heaters to be Purchased unit(s) 1 unit * See assumptions for various daily water use totals. †The comparison assumes a storage tank water heater as the input type. To allow demand water heaters as the comparison type, users can specify an input EF of up to 0.85; however, 0.66 is currently the best available EF for storage water heaters. OUTPUT SECTION Performance per Water Heater Your Choice Base Model FEMP Recommended Level Best Available New Energy Factor Annual Energy Use Annual Energy Costs $<> $ $ $ Lifetime Energy Costs $ $ $ $ Lifetime Energy Cost Savings $ $ $ $ Lifetime Energy Cost Savings for Water Heater(s) $ $ $ $ Your selection of a water heater using gallon(s) per day will have a $ energy cost savings per water heater over an estimated 13 year life expectancy compared to the model.
INPUT SECTION Input the following data (if any parameter is missing, calculator will set to default value). Defaults Type of Water Heater Electric Gas Electric Average Daily Usage (gallons per day)* gallons 64* Energy Factor†0.92 (electric) 0.61 (gas) Energy Cost $ / $0.06 per kWh $.60 per therm Quantity of Water Heaters to be Purchased unit(s) 1 unit * See assumptions for various daily water use totals. †The comparison assumes a storage tank water heater as the input type. To allow demand water heaters as the comparison type, users can specify an input EF of up to 0.85; however, 0.66 is currently the best available EF for storage water heaters. OUTPUT SECTION Performance per Water Heater Your Choice Base Model FEMP Recommended Level Best Available New Energy Factor Annual Energy Use Annual Energy Costs $<> $ $ $ Lifetime Energy Costs $ $ $ $ Lifetime Energy Cost Savings $ $ $ $ Lifetime Energy Cost Savings for Water Heater(s) $ $ $ $ Your selection of a water heater using gallon(s) per day will have a $ energy cost savings per water heater over an estimated 13 year life expectancy compared to the model.
