Onyx Black Roof Versus White Heat

Some colors reflect heat.

Onyx black roof versus white heat.

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. Owens corning s colour comparison tool allows you to compare shingle colours. 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.

The sun s radiation hits the roof surface some heat is absorbed by the roof and transferred to the building below solar reflectance. How to match a new roof color to your home s current siding. Below are a few common roofing colors that can make a big difference in your heating and or cooling bills. 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.

Dave that s right. The most popular colors of roof shingles are shades of black brown gray and red. White clothing isn t exactly a. Black and dark colored roofs.

Stick with the basics. So a black thing should be much better at emitting light than a white thing. Edit answer for another 13 minutes yes black will be hotter. White houses allow the roof to be a truly blank canvas.

Shingle colors for white houses include brown grey black green blue white. The fraction of solar energy that is reflected by the roof thermal emittance. Maybe the black clothing prevents body heat from reflecting back on the human thus keeping the body cooler than a white outfit. How a roof reacts to heat from the sun.

The relative ability of the roof surface to radiate absorbed heat cool roof rating council. 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.