Here is a link to a bunch of calculators for energy savings although it doesn't talk about ROIs. http://www.earthinstitute.ca/ee/worksheets.htm Joanna Pierce Pollution Prevention (P2) Program Idaho Department of Environmental Quality 1410 N. Hilton Boise, ID 83706 Ph: (208) 373-0146 Fx: (208)373-0342 Email: joanna.pierce at deq.idaho.gov <mailto:joanna.pierce at deq.idaho.gov> Web site: www.deq.idaho.gov/pollutionprevention <http://www.deq.idaho.gov/pollutionprevention> <mailto:joanna.pierce at deq.idaho.gov> Please consider the environment before printing this email. ________________________________ From: p2tech-bounces at great-lakes.net [mailto:p2tech-bounces at great-lakes.net] On Behalf Of Vinson, Thomas Sent: Wednesday, August 12, 2009 9:00 AM To: p2wazoo at lists.preventpollution.org; p2tech at great-lakes.net Subject: [p2tech] energy efficiecy payback Are there any good manuals or guidance for figuring cost savings for energy efficiency retrofits and payback times? Thomas Vinson-Peng Program Director Zero Waste Network UT Arlington Center for Environmental Excellence 9111 Jollyville Road Suite 111 Austin, Texas 78759 www.zerowastenetwork.org http://www.uta.edu/ced/ (512) 904-2281 (MAIN) (512) 904-2287 (Direct) (512)904-2288 FAX Tvinson AT uta.edu * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * p2tech is hosted by the Great Lakes Information Network (GLIN): http://www.great-lakes.net To search the archive: http://www.great-lakes.net/lists/p2tech/ All views and opinions presented above are solely those of the author or attributed source and do not necessarily reflect those of GLIN or the Great Lakes Commission. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.great-lakes.net/lists/p2tech/attachments/20090812/c058ae1f/attachment.html