Evaporative coolers are rated by the cubic feet per minute (cfm) of air that they deliver to the house. Most models range from 3,000 to 25,000 cfm. Manufacturers recommend providing enough air-moving capacity for 20 to 40 air changes per hour, depending on climate.Click to see full answer. Also question is, how do you size an evaporative cooler? Evaporative Cooler Sizing For example, if your room is 450 square feet with 8-foot ceilings: 450 X 8 foot ceiling = 3,600 cu. ft. x 30 air exchanges per hour = 108,000. 108,000 / 60 minutes = 1,800 CFM. Likewise, what size motor do I need for my swamp cooler? Evaporative cooler motors are relatively small in size, usually ranging from 1/3 to 1 horsepower. Most operate on 115/120 volts of power, which is the reason they use relatively little electricity when compared to 240-volt central air conditioning systems. Thereof, what size evaporative cooler pump do I need? In order to determine the right swamp cooler pump for your house, or your room, you simply need to find the total cubic feet and divide by two. If you have a room that is 1,500 square feet, and with 8 foot ceilings you would multiply those together for 12,000 total cubic feet.How do you run an evaporative cooler effectively? Here’s what you need to know. Use Your Swamp Cooler in a Dry Climate. Use Your Swamp Cooler Seasonally. Open the Windows. Run a Dehumidifier. Cultivate a Green Thumb. Experiment With Positioning. Prime the Pads First. Use Cold Water.
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