This is the best diy, homemade, portable air conditioner. Made from an ice chest and powerful blower, this air cooler is strong enough to cool a small room.

Here are the products I used:

Air Blower/Motor - https://amzn.to/2LIN2GZ
Cigarette Lighter Power Cord - http://amzn.to/2FOhf5i
Coleman Ice Chest - http://amzn.to/2FSFb3j
3" x 8 ft. Semi-Rigid Metal Tube - http://amzn.to/2Ga8ku4
Dap Quick Seal Plus - http://amzn.to/2u6G6Mi

If you want to wire for a household outlet, you will need this adapter: https://amzn.to/2s0zACb

Buy the items below in the plumbing section of your local hardware store:

Plumbquik 4" x 2" Flexible Rubber Coupling
Plumbquik 2" x 1 1/2" Flexible Rubber Coupling
1 1/2" PVC Street Elbow
1 1/2" PVC 45 degree Street Elbow
Short 1 1/2" PVC Pipe