Keep Your House Cool This Summer
How to cool your house during the summer season without using AC?
Keep the sunlight out. For this, keep your blinds closed, particularly those on the west and north-facing windows.
Paint your roof and outer walls white: White, being the lightest colour, reflects up to 90% of sunlight and makes your house cool.
Build false ceilings. False ceilings give some sort of buffer between the unbearable heat and you.
Use exhaust fans to remove the hot air circulating inside your house.
Use light-colored, light-weight curtains to repel heat and welcome a cool breeze.
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Upgrade your light bulbs. Incandescent lights give off 90% of their energy as heat. In contrast, LED bulbs produce less heat.