How to Vent a Swamp Cooler
Evaporative coolers, colloquially known as "swamp" coolers, work by moving air cooled outside a building inside through a duct. Venting a building cooled by a swamp cooler is essential for its proper operation; unless air can escape the building, newly cooled air cannot be moved in. This venting can be achieved in a number of ways. Does this Spark an idea?
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Things You'll Need
- Loft ventilation registers (optional)
- Wall vents (optional)
- Extractor fan (optional)
Instructions
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Vent the air into the loft space through registers in the ceiling of the cooled building. This relieves the back pressure inside the building, cools the air in the loft space and reduces heat transfer from the outside down into the building's interior.
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2
Install proprietary vents, sold at most home improvement warehouses, into the outside walls of rooms farthest from the swamp cooler duct. Make sure the doors to these rooms are kept open.
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3
Install an electric extractor fan in a wall or window of a room distant from the area in which the cooled air is ducted. Read and understand the extractor fan's capacity in cubic feet per minute (CFM), and set its speed according to the amount of air you need extracted.
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Vent the air by opening a door or window at the far end of the building from the area in which the cooled air is ducted. Although this may initially seem counterproductive in a hot climate, it will noticeably increase the effectiveness of the swamp cooler.
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Tips & Warnings
Industry practice recommends a vent opening equal to 2 square feet per 1000 CFM, that the swamp cooler is rated to deliver.
