They are designed with special granules that make them more reflective than standard.
Shingle roofs on the energy star list.
This is because energy star roofing material reflects heat which would otherwise keep the roof at a volatile temperature range.
Energy star rated roofing options.
There are different cool roof standards for commercial low slope roofs and residential steep slope roofs.
Warranty does not necessarily cover solar reflectance.
This can lower roof surface temperature by up to 50f decreasing the amount of heat transferred into a building.
Warranty does not necessarily cover solar reflectance.
Below are currently qualified energy star models available for sale in the u s.
If the roof maintains a more constant temperature however there is less stress on the roof from thermal shock thus making the product more durable and last longer.
As of december 31 2007 all new energy star qualified products are prohibited from being cleaned during testing.
Epa energy star roof product list.
Epa energy star roof product list.
Below are currently qualified energy star models available for sale in the u s.
The revolutionary new gaf timberline hd cool color series combines the visual impact of shingles into the first energy efficient cool asphalt shingle offered in a palette of rich organic colors.
Energy star rated shingles refl ect solar energy decreasing the amount of heat transferred to a home s interior and the amount of air conditioning needed to keep it comfortable.
List posted on february 11 2013 as of december 31 2007 all new energy star qualified products are prohibited from being cleaned during testing.
Energy star qualified shingles come in a variety of colors including dark colors even dark browns and grays.
Energy star certified roof products reflect more of the sun s rays.
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.
In today s market a cool roof is defined by the reflectivity and emissivity requirements set by either title 24 from the california energy commission or by the energy star program.