September 17, 2015 September 17, 2015 By SMThelp Article PCBA • smt • THT 0 CommentsLED RETROFIT LIGHTING ROI WORKSHEET Energy and maintenance savings are based on local utility data and contracting and material cost estimates. Lease payment figures are estimated. Actual savings and lease payments may vary.SMThelp Thank you to Share this:TwitterFacebookLinkedInTumblrWhatsAppSkypeLike this:Like Loading...Related