This five gallon cooling system developed by DesertSun02 on YouTube blows air over a frozen 1 gallon milk jug to create 5 hours of surprisingly cold air. Unlike the swamp cooler we published last summer, this invention will work great even in a humid climate – and it’s a much simpler design.
- 5 gallon bucket with lid
- Pail Liner for insulation (try a styrofoam “minnow bucket” or a stiff plastic one)
- 2″ PVC pipe cut into short segments
- Small fan with a removable base or one that won’t get in the way like this one.
- 2 1/4″ and 2 1/8″ hole saws (we use DeWalt – they make both 2-1/4 and 2-1/8)
- Box cutter or exacto knife to cut lid
- Drill 2-1/4″ holes in the bucket (3)
- Drill 2-1/8″ holes in the liner behind (3)
note: drilling these holes near to the base of the bucket cools better than holes in the top.
- Cut a larger hole in the lid, measured to fit your small fan.
- Attach PVC segments to holes. If your liner holes are too big, you’ll have to glue them in.
- Fill with loose ice or a frozen gallon jug. (Reader Mattie Z recommends 4x 1 quart frozen bottles instead for greatly increased surface area.)
- Rest fan in the hole you cut in the lid and turn it on.
- 5 Gallon Bucket Swamp Cooler (works best in a hot dry climate)