How does your household energy use compare to similar homes? How much energy does your TV use each year? Is your property a good site for solar energy? The following no-cost online tools and resources can help answer these and other home energy questions.

Home Energy Use

Home Energy YardstickAssess your household energy use compared to similar homes and receive a score on a scale of 0 to 10.

Home Energy SaverEnter information about your home and location and receive estimates of your current energy use and potential savings from selected upgrades.

Appliances and Equipment

Appliance Energy CalculatorEstimate the annual energy use and cost of various appliances and electronic devices around your home.

Flip Your Fridge CalculatorFind out how much it costs to operate your refrigerator or freezer and how much you can save by upgrading to ENERGY STAR® certified models.

Lighting Fixture CalculatorEstimate the annual savings from upgrading indoor and outdoor lighting fixtures with ENERGY STAR® certified replacement options.

Lighting Cost CalculatorCalculate the annual energy use and cost of different types of lightbulbs.

WaterSense CalculatorFind out how much you can save by upgrading to WaterSense labeled water-efficient fixtures.

Renewables

Google Project SunroofEstimate the potential solar energy capacity and electricity production for homes in your area.

PV Watts CalculatorEstimate potential solar energy system output based on your location and and specific information about your home.

Solar-EstimateGet an idea of the potential cost and savings from installing solar panels.

Environmental Footprint

Carbon Footprint CalculatorEstimate your household emissions based on your energy use, and see how much you can reduce your footprint through a variety of energy-efficiency measures.

National Tree Benefit CalculatorCalculate the approximate energy and environmental benefits of planting various tree species.