GE Simple Energy Calculator Calculate the energy savings you'll gain by relamping your lighting system. Also find out how long it will take to recoup your full investment for the new system.
GE Simple Life-Cycle Cost Calculator Compare the life-cycle costs for two different lamps.
GE Cost of Waiting Calculator Compare the cost of electricity for your current and proposed lighting systems, and estimate the cost of waiting to upgrade to the new system.
GE T12 to T8 Fluorescent Retrofit Calculator This simple, powerful tool will help you evaluate your current lighting system and provide upgrade options based on what's most important to you.
Philips Eco-Calculator Suite This in depth program will help you find energy saving alternatives for a variety of application specific lighting scenarios.
Philips LEED-EB Picogram/Lumen hour Calculator This calculator is designed to help you calculate the picograms of mercury per lumen hour (pg/lu-hr) for lighting systems in facilities considering LEED-EB certification.