"… Our calculations show that our savings are averaging 19% per month across our lighting, motors and air conditioning. May we take this opportunity of thanking you for your professional and efficient completion of this project as well as for the advice and help you have given us on other problems we were experiencing in our store."
" (Our) energy demand has been reduced substantially. They guaranteed a savings of 13% per year, and it has been averaging around 14.5%.”