Get the $$ on how green roofs impact cost savings with this Green Roof Energy Calculator

Green roofs can reduce your heating and cooling energy costs up to 50% or more. The best energy savings tend to occur on the largest buildings, but even small residential buildings will see some energy savings. Check out this Green Roof Energy Calculator developed by Portland State UniversityUniversity of TorontoGreen Roofs for Healthy Cities and funded by US Green Building Council