What you will need is
1. A Fan
2. Ice
3. Bowl
4. Spices

Ok yes i know the spices may sound odd but it will help,

So first take your Fan and Ice put the ice in a bowl, and have the fan blowing on the ice and on you.

Doing this Will cause a Nice Chill to come to you with the ice making it seem like your in AC.

Ok Now the Spices Well Spicy Food, So Just eat Spicy/hot food what this will do is Cause you to Sweat and help cool you.

Enjoy.

PS: This Should keep you from getting Heat Stoke In your house.

Other Recommendation's

Just Turn Ac on VERY HOT days, to help.

Or Just turn it on all the time,