Install an evaporative air cooler, so known as an desert cooler or swamp cooler, in your home to provide an energy-efficient cooling system. This type of system draws hot air from outside and cools it to a comfortable temperature. Then the evaporative air cooler pushes the air into the house. You can buy a regular system or a portable window system to install in your home.
Purchase a system of the size you need to cool the room. Calculate the volume of the room in cubic feet by multiplying its square footage by the height of the ceiling. Then divide this sum by 2. The result is the cubic feet per minute of air that the evaporative air cooler has to blow out. Choose a machine that gives the air flow rate you need. For example, if the room is 1,200 square feet and you have 10-foot ceilings, multiply 1,200 to 10 to get 12,000 cubic feet. Divide 12,000 by 2 to get 6,000. You require a system that has an air flow rate of 6,000 cubic feet per minute.
Set up the evaporative air cooler against the wall. It can be placed on the ground, mounted to the wall with support brackets or secured to the roof of your home. Create a hole in the wall using a jigsaw to cut through aluminum siding and wood, or a masonry boring tool to cut through brick or stone.
Attach the duct work to the system. In installing the pipes, run as many as possible straight to provide efficient air flow. Place a minimum of 2 elbow pipes on the line run. Join the pipes with sheet metal screws. Attach the duct work with vent collars between studs and joists. Install an outlet grille in the wall or ceiling.
Secure the water line of the evaporative cooler to the water tap line in the house. Seal around the duct leading outside with foam insulation. Run the electrical cord through the nearest window and plug it into a regular outlet. Open windows before operating the evaporative air cooler system.
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