These calculators allow users to enter their own input values to estimate energy and cost savings for energy-efficient products. Some are Web-based tools, while others are Excel spreadsheets provided by ENERGY STAR®.
Commercial and Industrial Equipment
Food Service Equipment
Renewable Energy Installations
Additional resources are available to calculate energy savings, including the Federal Energy Management Program's Building Life Cycle Cost (BLCC) software for analyzing life cycle costs, Lawrence Berkeley National Laboratory's RESFEN software for estimating heating and cooling costs, and MotorMaster+ software for identifying premium efficiency motors.