For those who stay at home alone and feeling hot, it's worth checking a few of the following reasons why these things can happen:
Step 1
Exposure to direct sunlight (without protective roof) especially during the sweltering without protective clouds and overcast.
Step 2
The house has no air circulation fine day, the reply minimal ventilation holes, many bermaterial window glass but seldom opened, and often receive the sun's heat directly. until cause the "greenhouse effect" or in other physics called "black-hole effect", ie, radiation (heat) can enter but the heat can no longer thrown out ... so it settles in the house and make