Top 10 in Top 10 ways to reduce heat for homes in summer.
The secret to heat reduction, the best radiation, simple, effective but few people known is hanging at the doors, the window of the cloth to dip the water to prevent heat from outside into the house.
Alternatively, you should close the vacant room. Always open the window of night and early morning – when the temperature is low to cool air into many houses. When sunny up, pull the curtains or the living to keep the cooler longer.