This product prevents you from having to buy new windows and makes double pane glass better then triple pane glass! Here is the kicker good for 20 years! Bonus no more fading of flooring or anything else that might fade in your home or office. 100% uv protection 85% infa red protection, but the plants love it still. Expect 10 to 15% of the cost of replacing windows.visit our website https://windowinnovations.ca/ or call for free quote 403.473.4757"Fantastic product, reduced our electricty bill by about $100 per month in the winter and close to that this summer (Air condioner not used as much as last season) " - Brian Urlacher