This type is often found in cool boxes. Get a large bowl and some ice. Home Made Air Conditioning A Bag Of Ice Behind The Fan Works Ice Bag Camping Hacks Diy Diy For Girls How to Cool a Room With Ice In 7 Easy Steps Step 1. How to make a room cold with ice . Place three small pieces of dry ice in a shallow bowl with each piece of dry ice no larger than one inch cubed. Put the Ice into the Bowl First you should find the container that you want to put the ice in. Fan with ice pack. Start by insulating the ceiling of your cold room then down the inside of the walls as far as the soil extends on the outside. Use ice for extra cooling If youre really struggling to stay cool for instance during the peak of the day when its hottest outside place a bucket of ice in. Using Ice and a Fan to Cool a Room 1. The first step is to get a large bowl and some ice. If you only need to. You may need to extend foam further. Without dust particles the temperature can get even