Oklahoma City and Tulsa has hot summers and some cold winters. Energy Improvements has installed thousands of homes through the state of OK. Here is another satisfied customer who has had the best radiant barrier shield put in by Energy Improvements and the savings have averaged at least 35% to 40% according to this customer. When you have an R-30 and R-42 insulation in the home and still get a huge savings like he is getting from the barrier. It tells you that insulation is limited in what it can do. Insulation absorbs and slows down heat. It does not stop or reflect it. It has been said the Energy Improvement Shield radiant barrier can out perform four feet of insulation.
Call Energy Improvements for free advice and estimate 800-256-5867 http://www.energyimprovements.net