- ENERGY STAR qualified roof products reflect more of the sun's rays. This can lower roof surface temperature by up to 50F, decreasing the amount of heat transferred into a building.
- ENERGY STAR qualified roof products can help reduce the amount of air conditioning needed in buildings, and can reduce peak cooling demand by 10-15 percent.
- Although there are inherent benefits in the use of reflective roofing, before selecting a roofing product based on expected energy savings consumers should explore the expected calculated results that can be found on the Department of Energy's "Roof Savings Calculator" website at www.roofcalc.com. Please remember the Energy Savings that can be achieved with reflective roofing is highly dependent on facility design, insulation used, climatic conditions, building location, and building envelope efficiency.
ENERGY STAR Qualified Roof Products:
Emissivity and how it relates to energy savings and cool roofs
Other types of roofing that can save energy
Current Specification Effective Date: December 2007
Roof products originally qualified for the ENERGY STAR label in February, 1999.
- Product submissions must include initial emissivity data for all existing and new products. All new products cannot be cleaned prior to the three year test. Reflectivity requirements differ for low-slope and steep-slope roofs.
- ENERGY STAR qualified roof products can help reduce the amount of air conditioning needed in buildings, and can reduce peak cooling demand by 10–15 percent.
- The ENERGY STAR energy-efficiency criteria do not include a specification for roof insulation.