The energy star energy efficiency criteria do not include a specification for roof insulation.
Pinnacle roof meet energy star requirements.
Reflectivity requirements differ for low slope and steep slope roofs.
Environmental protection agency s energy star program began rating roofing materials for energy.
For energy star compliance the roof coverings must be naturally aged for three years then the reflectivity and emissivity are measured.
Initial minimum solar reflectance of 0 25 and 3 year aged minimum solar reflectance of 0 15.
So in 1999 the u s.
Energy star initial requirements.
The hotter the roof the more energy it takes to cool the building beneath it.
4 6as required in the energy star test method for roof products.
For steep slope applications greater than 2 12 pitch.
See actual warranty for complete details limitations and requirements.
Meet 2008 california title 24 part 6 requirements which call for a cool roof or.
The provisions of title 24 allow for simulated aging called rapid ratings.
Energy star certified roof products can help reduce the amount of air conditioning needed in buildings and can reduce peak cooling demand by 10 15 percent.
Energy star program requirements for roof products eligibility criteria 7.
Estimated roof surface temperature reduction based on 1998 nist study.