Onyx Black Roof Versus White Heat

The fraction of solar energy that is reflected by the roof thermal emittance.

Onyx black roof versus white heat.

Dave that s right. Once your results are displayed click to view a larger image or see your selection on a home with our design eyeqï design visualization program. Below are a few common roofing colors that can make a big difference in your heating and or cooling bills. Some colors reflect heat.

The most popular colors of roof shingles are shades of black brown gray and red. How a roof reacts to heat from the sun. So a black thing should be much better at emitting light than a white thing. White houses allow the roof to be a truly blank canvas.

White clothing isn t exactly a. Stick with the basics. However except for reflective coated shingles some energy star rated shingles for instance or white or bare metal there is only about a 10 15 difference in the amount of energy absorbed between black and say a tan or beige and only a few percent between black and a gray red dark blue green or brown. The sun s radiation hits the roof surface some heat is absorbed by the roof and transferred to the building below solar reflectance.

Others absorb the heat. How to match a new roof color to your home s current siding. The relative ability of the roof surface to radiate absorbed heat cool roof rating council. It comes down to other variables such as your neighborhood home s architectural style and your personal preference.

In general dark colored roofing materials will absorb the heat and cause your attic and or the top of your house to be warmer than a lighter colored material. Black and dark colored roofs. Owens corning s colour comparison tool allows you to compare shingle colours. Edit answer for another 13 minutes yes black will be hotter.

Chris so if you have solar panels on your roof for example that are heating water you don t want the water going through them when it s colder outside than the water is because you re turning them into very effective giant radiators. Shingle colors for white houses include brown grey black green blue white.