Efficient home design
Understanding thermal performance
...roofs typically absorb more solar energy than do lighterroofs. On a sunny day with 25°C [77°F] ambient air temperature, three adjacent black, grey, and whiteroofmembranes on the same building [see above photo] were measured to have maximum surface temperatures of approximately 75°C, 65°C, and 50°C [167°F, 149°F, and...