Since more heat is reflected energy bills are lowered.
Best metal roof color for energy efficiency.
You should go with a lighter color metal roof such as lighter shades of green silver or off white if you want to attain maximum energy efficiency and keep your home as cool as possible during summer.
A white or light colored metal surface reflects best under testing at about 67 percent reflectivity and even some newly developed cool colors send the rays away source.
Green roofs popularly known as the living roofs can make your roof cool.
However the metal can make your roof cool.
Cool painted metal roofs retain 95 of their initial reflectance and emittance over time equaling longer lifespan over conventional roofing systems.
Other factors such as roofing material insulation and the integrity and age of the roof all come into play.
Light roofs are the most energy efficient roof color for summer but remember that it s not just roof color that comes into play here.
This highly reflective coating uses cool pigments in the paint to increase solar reflectance and lower the surface temperature of the roof.
Metal roofing utilizing cool colors are known to have energy savings ranging from 7 15 of overall cooling costs.
Clay and slate tiles.
The most effective energy saving finish for metal roofing is commonly referred to as cool metal roofing.
Florida solar energy center.