Hotels Install Window Film to Increase Energy Efficiency
Check out this interesting article on how hotels are using low-e window film to help regulate the temperature in guest's room. After staying in humid Florida for a week, I can tell you that having a stuffy room on a hot day can ruin your fun. Using this window film helped the HVAC system lower the room temperatures while also saving energy thereby lowering energy bills, a win-win for everyone!
http://northamerica.llumar.com/blog/commercial/hotels-install-window-film-to-increase-energy-efficiency