Assess Entire Household Energy Usage Assess the Energy Efficiency of Your Home and See How it Measures Up. EPA’s Home Energy Yardstick provides a simple assessment of your home’s annual energy use compared to similar homes. By answering a few basic questions about your home, you can get: Your home’s Home Energy Yardstick score (on a scale of 0 to 10). Insights into how much of your home’s energy use is related to heating and cooling versus other everyday uses like appliances, lighting, and hot water. Links to guidance from ENERGY STAR® on how to increase your home’s score, improve comfort, and lower utility bills An estimate of your home’s annual carbon emissions. Get started.