This calculator shows approximate costs of heating water for a typical family. Gallons-per-day, temperature rise, cost-per-unit, and energy factor values are all adjustable.
Last updated: 10/16/19 This calculator is for comparison purposes only. Actual performance may vary.
- To talk with a professional about upgrading your water heating system, contact an Efficiency Maine Residential Registered Vendor.
- Click here for a chart based on default values.
- Your fuel prices may differ. Check up-to-date and regional pricing.
- Learn about Efficiency Maine’s heat pump water heater rebates.