Sustainability: Calculators

This link provides access to all of the Department of Energy's supported (free) building energy software tools.

Use this site to benchmark the commercial facilities in a portfolio against industry baselines.

Sign in to benchmark the energy consumption of your lab facility against industry baselines.

Collection of calculators aimed to evaluate energy cost measures in commercial kitchens.

Free, yet powerful software to model lighting schemes. Slightly more effective at testing exterior lighting layouts.

Free, yet powerful, software to model indoor and exterior lighting design.

Designed to help assess individual impact.

Use this tool to equate your personal consumption of various fuels to a more tangible reference.

Helpful tool that provides an order of magnitude estimate for potential energy savings in your home.

For household emissions

Compare efficiency. Search by make, type and year.