A Bucket 20L A lid that fits said bucket A USB desktop fan Some cleaning cloths or thin porous material 40cm x 30cm. Below is one such. How To Build A Home Made Air Conditioner Save Money If Watching With Kids There Is Some Language Homemade Air Conditioner Diy Air Conditioner Homemade This will be the top of your cooler. . Donor parts such as a refrigerator compressor are also necessary for this project. These include a plastic or foam bucket or container five gallons a small fan and water. 5 place all the frozen water bottles in the cooler and put on the lid. Essentially this is an ice chest full of ice with a fan mounted on top blowing air in and an exhaust hose going out of the ice chest and into your grow room. A razor or knife will work for foam. Start by making an outline around the cooler about 2 inches from the edge of the styrofoam. Step 1 Cut the top of the Styrofoam block off about 3 inches dow