Calculate Your Energy & Water Use
Energy Savings Calculators
The Home Energy Advisor -- This quick calculator provides an estimated breakdown of your energy use and costs by heating, cooling, water heating, refrigeration, lighting and appliances. Learn how much you can save in each area.
InteractiveEnergyHome™ - Learn how to save energy, room by room. Mouse over furnishings and appliances and click to see energy-saving tips.
Appliance Calculator - See how it all adds up. Get down-to-the-penny energy operating costs for more than 50 different home appliances and electronic devices.
Lighting Calculator - This tool quickly calculates and compares the operating costs of standard incandescent, halogen, compact fluorescent and LED lamps.
Space Heater Calculator - This tool calculates the estimated cost per month of space heaters you use in your home.
Water Heating Calculator - This tool calculates the estimated cost of heating the water in your home and provides a cost comparison of the different types of water heaters based on the data you provide.
Water Use Calculator - Home water conservation is easy once you understand how and where you can use less. The quick and easy Water Calculator shows you which water uses in your home are efficient and which are not and offers simple conservation tips that save water and energy.
Home Energy Library - Find your answers in this energy library that covers it all — home design and construction techniques to the latest in energy-efficiency equipment and appliances.
Check Out Your Energy Use