<human>:  Can you give me a few tips on how to keep my house cool during summer?
<bot>: 
1. Close the curtains during the day to block out direct sunlight.
2. Open windows during the night to allow cooler night air to circulate.
3. Install ceiling fans to help circulate the air.
4. Replace regular light bulbs with fluorescent bulbs.
5. Keep air conditioning filters clean and replace as recommended.
6. Avoid using heat-producing appliances during the hottest part of the day.
7. Insulate the roof and the walls of the house.
8. Place bowls of ice near air vents.