Energy Calculators
Home Energy Savers Calculator - from Lawrence Berkeley National Laboratory
Enter your zip code and answer a few questions to get a quick estimate of how much your could save on heating, cooling, water heaters/major appliances, lighting -- even small appliances.
EnergyStar Calculator Spreadsheets
ENERGY STAR qualified products are equal to or better than standard products of the same type and use less energy, which saves you money on your utility bills and helps to protect the environment by reducing greenhouse gas emmission. Full suite of spreadsheets will calculate the savings based upon your current usage.
U.S. Dept of Energy's Energy Calculators Page
Here you'll find calculators to help you evaluate your home's energy use and need for energy-efficient improvements.
