The hotter the roof the more energy it takes to cool the building beneath it.
Pinnacle roof meet energy star requirements.
A roof that meets the energy star performance requirements is considered one that is cool and helps to reduce urban heat island effects.
So in 1999 the u s.
Energy star initial requirements.
Energy star program requirements for roof products eligibility criteria 7.
Maintenance of solar reflectance the test surface of each sample shall not be washed cleaned or wiped in any fashion prior to testing aged solar reflectance.
4 6as required in the energy star test method for roof products.
The criteria for an energy star labeled roof are.
For steep slope applications greater than 2 12 pitch.
For energy star compliance the roof coverings must be naturally aged for three years then the reflectivity and emissivity are measured.
Reflectivity requirements differ for low slope and steep slope roofs.
Estimated roof surface temperature reduction based on 1998 nist study.
Meet 2008 california title 24 part 6 requirements which call for a cool roof or.
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.
The provisions of title 24 allow for simulated aging called rapid ratings.
See actual warranty for complete details limitations and requirements.