Question

why are house painted white in hot regions why why​

Answer 1

Answer:

White painted houses, especially white or light colored roofs reflect the suns warmth better than houses painted dark colors. Dark colors absorb the heat from the sun. This keeps the houses cooler in the summer. One drawback, white houses require more up keep in hot muggy climates because mildew can form

Answer 2

Answer:

Because it reflect the suns warmth better then house painted in dark colors.

And also the dark colors absorbs heat from the sun.