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10 Best Swamp Coolers 2025 in the United States
#1
Winner
Hessaire MC61M 5,300 CFM 3-Speed Portable Evaporative Cooler
The Hessaire Indoor and Outdoor Use Portable Evaporative Swamp Air Cooler is a robust option for cooling large spaces up to 1,600 square feet. With a substantial cooling capacity of 5,300 CFM and a generous 14.6-gallon water tank, this unit can run for 3-4 hours continuously, making it suitable for both indoor and outdoor use. The three fan settings allow for customizable airflow, which can be handy depending on the temperature and user preference.
Rating
10.0
Chosen by1,379
Cooling Capacity (CFM)
Portability
Most important from
729 reviews
#2
Portacool Apex 4000 (PACA40001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 4000 sq. ft. with up to 50-foot Reach, Programable, 55 Gallon Reservoir, Variable Speed
The Portacool Apex 4000 is a powerful evaporative cooler designed to cover large spaces up to 4000 square feet, making it a strong choice for warehouses, workshops, or large outdoor areas. Its 36-inch fan can send cool air up to 50 feet away, providing effective airflow across big rooms. The 55-gallon water reservoir is quite large, meaning it can run for long periods without needing a refill, which is convenient for continuous use. This model is Wi-Fi enabled with touchscreen and app controls, so you can adjust settings remotely, a handy feature that adds modern convenience.
Rating
10.0
Cooling Capacity (CFM)
Additional Features
Most important from
2 reviews
#3
Uthfy 41" Swamp Cooler, 4800 CFM Evaporative Air Cooler with 10.6 Gallon Water Tank, Portable Outdoor Air Conditioner with 3 Ice Pack, 110° Oscillation, 3 Speed for Garage, Yard, Commercial Use
The Uthfy 41" Swamp Cooler is a solid choice for those needing effective cooling in larger spaces, up to 1200 square feet, such as garages, patios, or commercial areas. With a powerful 4800 CFM airflow capacity, it ensures substantial cooling power. The 10.6-gallon water tank allows for extended operation, making it convenient for overnight use without frequent refills. The addition of three ice packs helps to enhance the cooling effect, which is beneficial for hotter climates.
Rating
9.8
Cooling Capacity (CFM)
Water Tank Capacity
Portability
Most important from
394 reviews
Top 10 Best Swamp Coolers 2025 in the United States
#1
Winner
Hessaire MC61M 5,300 CFM 3-Speed Portable Evaporative Cooler
Hessaire MC61M 5,300 CFM 3-Speed Portable Evaporative Cooler
Cooling Capacity (CFM): 5300
Water Tank Capacity: 14.6 Gallons
Noise Level: 63 dB
Portability: Portable
Additional Features: 3 fan settings, user-friendly controls
Chosen by 1379 this week
Portacool Apex 4000 (PACA40001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 4000 sq. ft. with up to 50-foot Reach, Programable, 55 Gallon Reservoir, Variable Speed
Portacool Apex 4000 (PACA40001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 4000 sq. ft. with up to 50-foot Reach, Programable, 55 Gallon Reservoir, Variable Speed
Cooling Capacity (CFM): 36-inch fan, air up to 50 ft
Water Tank Capacity: 55 Gallons
Noise Level: 62 dB
Portability: Freestanding, 305 pounds
Additional Features: Wi-Fi, touchscreen, app control, auto shut-off
Uthfy 41" Swamp Cooler, 4800 CFM Evaporative Air Cooler with 10.6 Gallon Water Tank, Portable Outdoor Air Conditioner with 3 Ice Pack, 110° Oscillation, 3 Speed for Garage, Yard, Commercial Use
Uthfy 41" Swamp Cooler, 4800 CFM Evaporative Air Cooler with 10.6 Gallon Water Tank, Portable Outdoor Air Conditioner with 3 Ice Pack, 110° Oscillation, 3 Speed for Garage, Yard, Commercial Use
Cooling Capacity (CFM): 4800 CFM
Water Tank Capacity: 10.6 Gallons
Power Consumption: low
Portability: 360° Caster Wheels
Additional Features: Auto Fill, 3-Side Cooling, 110° Oscillation
Portacool Apex 500 (PACA05001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 500 sq. ft. with up to 55-foot Reach, Oscillating Louvers, Programable, 13 Gallon Reservoir, Variable Spd
Portacool Apex 500 (PACA05001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 500 sq. ft. with up to 55-foot Reach, Oscillating Louvers, Programable, 13 Gallon Reservoir, Variable Spd
Cooling Capacity (CFM): 800 Cubic Feet Per Minute
Water Tank Capacity: 13 Gallons
Noise Level: 53 dB
Portability: Built-in handle, slim, 70 pounds
Additional Features: Smart water system, indicators, auto shut-off, Wi-Fi
Portacool Apex 700 (PACA07001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 700 sq. ft. with up to 60-foot Reach, Oscillating Louvers, Programable, 22 Gallon Reservoir, Variable Spd
Portacool Apex 700 (PACA07001A1) – Wi-Fi Enabled High Velocity Portable Evaporative Cooler for 700 sq. ft. with up to 60-foot Reach, Oscillating Louvers, Programable, 22 Gallon Reservoir, Variable Spd
Cooling Capacity (CFM): 1400 Cubic Feet Per Minute
Water Tank Capacity: 22 Gallons
Noise Level: 53 dB
Portability and Size: 88 lbs; 24x27x52 inches; handle, wheels
Filter and Maintenance: Water level, auto shut-off, alerts, media
Additional Features: Wi-Fi, touchscreen, fast cooling, freestanding
Related Products
Up to 25% off
AKIRES 14715CFM Swamp Coolers,Evaporative Air Cooler for 2800Sq.ft of Space,with Continuous Auto Fill,53-Gal Water Tank,120°Oscillation,5 Ice Packs,Cooling Fan for Outdoor,Indoor Yellow(71IN)
AKIRES 14715CFM Swamp Coolers,Evaporative Air Cooler for 2800Sq.ft of Space,with Continuous Auto Fill,53-Gal Water Tank,120°Oscillation,5 Ice Packs,Cooling Fan for Outdoor,Indoor Yellow(71IN)
Cooling Capacity (CFM): 14715 CFM
Water Tank Capacity: 53-Gal
Power Consumption: 120 Volts AC
Portability: 360° Wheels, 4 with locks
Additional Features: 120° Oscillation, Manual & Auto Fill
Big Ass Fans - Cool-Space 400 - Portable Evaporative Swamp Cooler, 36 Inch Diameter Fan Indoor Outdoor Use Continuous or Fillable 46 Gallon Capacity Variable Speed – Cooling for Warehouses & Workshops
Big Ass Fans - Cool-Space 400 - Portable Evaporative Swamp Cooler, 36 Inch Diameter Fan Indoor Outdoor Use Continuous or Fillable 46 Gallon Capacity Variable Speed – Cooling for Warehouses & Workshops
Cooling Capacity (CFM): 6,400 to 9,700
Water Tank Capacity: 46 Gallons
Power Consumption: 510 Watts
Noise Level: 61 dB
Portability: Locking swivel casters
Additional Features: Auto low-water shutoff, drain plug
Landeagle Swamp Cooler,8979CFM Portable Evaporative Air Cooler with Continuous Auto Fill,Outdoor Cooling Fan with 36 Gal Tank,120°Oscillation,3 Speed for Patio Garage Industry Commercial Use,58 Inch
Landeagle Swamp Cooler,8979CFM Portable Evaporative Air Cooler with Continuous Auto Fill,Outdoor Cooling Fan with 36 Gal Tank,120°Oscillation,3 Speed for Patio Garage Industry Commercial Use,58 Inch
Cooling Capacity (CFM): 8979 CFM
Water Tank Capacity: 36 Gal
Power Consumption: 660 watts
Noise Level: 63 dB
Portability: 4 wheels, 70.9 lbs
Additional Features: 5 Ice Boxes, 3 Speeds, Oscillation
#10
Portable Swamp Coolers - 1300 CFM MC18M Evaporative Air Cooler with 2-Speed Fan, 53.4 dB - 500 sq. ft. Coverage Evaporative Air Cooler Portable High Velocity Outdoor Cooling Fan by Hessaire - White
Portable Swamp Coolers - 1300 CFM MC18M Evaporative Air Cooler with 2-Speed Fan, 53.4 dB - 500 sq. ft. Coverage Evaporative Air Cooler Portable High Velocity Outdoor Cooling Fan by Hessaire - White
Cooling Capacity (CFM): 1300
Water Tank Capacity: 4.8 Gallons
Power Consumption: 82 Watts
Noise Level: 53.4 dB
Portability: 16 pounds, Wheels
Additional Features: Durable, lightweight, Two fan speeds
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Buying Guide for the Best Swamp Coolers
Swamp coolers, also known as evaporative coolers, are great options for cooling spaces in hot and dry climates. Unlike traditional air conditioners, they use water to cool the air, making them energy efficient and eco-friendly. Selecting the right swamp cooler involves understanding your needs, such as room size, airflow, and additional features, to ensure you get effective and comfortable cooling. By considering the most important specifications, you’ll be able to choose a cooler that keeps your environment comfortable during the hottest months.Cooling Capacity (CFM)CFM stands for Cubic Feet per Minute, which tells you how much air the cooler can move in a minute. This is important because the CFM value should match the size of the space you want to cool. Generally, the higher the CFM, the larger the area it can cool effectively. For small rooms, lower CFM values are sufficient, but for bigger spaces like garages or living rooms, a higher CFM is needed. Picking the right CFM is all about matching the size of your room to the output of the cooler, ensuring you don’t end up with a unit that’s too weak or too powerful.
Water Tank CapacityWater tank capacity indicates how much water the cooler can hold at one time. This matters because a larger tank means the cooler can run longer without needing a refill, which is convenient for continuous cooling, especially during hot weather. Tanks come in small, medium, and large sizes, so if you need the cooler to run for many hours or overnight, choose a larger tank. If you plan to use it for short periods or in a smaller space, a smaller tank may be enough.
Power ConsumptionThis specification shows how much electricity the cooler uses, usually measured in watts. Swamp coolers are generally more energy-efficient than air conditioners, but the power use can still vary. Lower wattage means less electricity consumption, which is good if you want to save on energy costs. If you plan to use the cooler often or for long periods, pay attention to this number to help keep your electricity bill lower. Matching your usage habits with the energy needs of the cooler will lead to a more satisfying purchase.
Noise LevelNoise level describes how loud the swamp cooler is when operating, often measured in decibels (dB). This matters if you’re going to use the cooler in a bedroom, office, or anywhere quiet is important. Some models are quieter than others, especially on lower fan settings. If you’re sensitive to noise or need to use the cooler while working or sleeping, look for a model with a reputation for quiet operation. If noise isn’t a concern, you can focus more on other features.
Portability and SizePortability refers to how easy it is to move the cooler from one place to another, which depends on its size, weight, and whether it has wheels or handles. If you want to use your swamp cooler in different rooms, or need to move it in and out of storage, a lightweight, compact, and wheeled model is best. For a more permanent installation or larger spaces, a bigger, heavier model may be more suitable. Your intended use and where you’ll place the cooler should guide you on this point.
Filter and MaintenanceFilters clean incoming air and remove particles, which can improve air quality and keep the cooler working well. Maintenance involves how often you need to clean or replace filters and refill the water. Some models have washable or easy-to-replace filters, while others might need more regular attention. If you prefer low-maintenance options or have allergies, look for a cooler with easy-access filters and straightforward maintenance steps. Your willingness to do regular upkeep should influence your choice.
Additional FeaturesExtras like remote controls, timers, multiple fan speeds, or even ice compartments for extra cold air can make using your swamp cooler more convenient and comfortable. Think about which features are important for your comfort and lifestyle, such as a programmable timer for automatic shut-off or a remote so you can adjust settings from across the room. Your priorities for convenience and comfort can help you decide which features are most useful.