Energy Efficiency Calculators
Use our online calculators to estimate how much you could save by upgrading to high-efficiency equipment in your home:
Residential equipment :
Appliance Calculator
How much does it cost per day to run the appliances in your home?
Cooling System Calculator
How much will it cost to replace your old cooling system? How much can you save with a new energy-efficient model?
Room AC Calculator
Estimate the size of the room air conditioner needed for your home and receive a cost estimate for a new unit.
Heating System Calculator
How much will it cost to replace your old heating system, and how much can you save with a new energy-efficient model?
Washer Calculator
Estimate the costs, energy and water you will save by replacing your old clothes washer.
Dryer Calculator
Find out how much it will cost to purchase and operate a new clothes dryer.
Refrigerator Calculator
How much can you save by replacing your old refrigerator with a new, energy-efficient model?
Lighting Calculator
Find out how much you can save with energy-efficient bulbs in your recessed, track and spot lights.
Thermostat Calculator
Find out how much you can save by simply adjusting your thermostat.
Water Heater Calculator
How much will it cost to purchase and operate a new water heater? How much could you save on energy bills compared to your old water heater?