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10 Best Swamp Coolers 2025 in the United States
#1
Winner
Hessaire Indoor and Outdoor Use Portable 1,600 Square Foot Cooling Area, Evaporative Swamp Air Cooler with 3 Fan Settings, Gray
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
9.8
Chosen by1,215
Cooling Capacity (CFM)
Portability
Most important from
714 reviews
#2
Portable Swamp Coolers - 3100 CFM MC37M Evaporative Air Cooler with 3-Speed Fan - Water Cooler Fan 950 sq. ft. Coverage High Velocity Outdoor Cooling Fan Swamp Cooler by Hessaire - Gray
The Hessaire MC37M Evaporative Air Cooler stands out in the swamp cooler category, especially for those looking for a portable solution to combat heat in residential outdoor spaces. With a cooling capacity of 3100 CFM, it effectively covers an area of up to 950 square feet, making it suitable for patios, decks, or large rooms. The 10.3-gallon water tank is a significant advantage as it allows for 3-4 hours of continuous cooling, minimizing the hassle of frequent refills. Its user-friendly knob controls simplify operation, making it accessible even for those who aren't tech-savvy.
Rating
9.6
Cooling Capacity (CFM)
Water Tank Capacity
Power Consumption
Most important from
4576 reviews
#3
Mountman 41-Inch Swamp Cooler, 4800CFM Industry Evaporative Cooler, 3 Speeds, 120° Swing, 10.6 Gal Water Tank, 3 Ice Packs,Outdoor Evaporative Air Cooler for Patio, Yard, Porch, Factory
The Mountman 41-Inch Swamp Cooler is a strong contender for those needing a powerful cooling solution for both indoor and outdoor spaces. With a significant airflow capacity of 4800 CFM, it can efficiently cool areas up to 970 square feet, making it suitable for large spaces like patios, yards, and garages. Its 10.6-gallon water tank ensures continuous operation without frequent refills, and the top-refill design adds convenience. The inclusion of 3 ice packs helps enhance cooling performance, which is a bonus during particularly hot days.
Rating
9.4
Cooling Capacity (CFM)
Water Tank Capacity
Noise Level
Most important from
253 reviews
Top 10 Best Swamp Coolers 2025 in the United States
#1
Winner
9.8 score
Hessaire Indoor and Outdoor Use Portable 1,600 Square Foot Cooling Area, Evaporative Swamp Air Cooler with 3 Fan Settings, Gray
Hessaire Indoor and Outdoor Use Portable 1,600 Square Foot Cooling Area, Evaporative Swamp Air Cooler with 3 Fan Settings, Gray
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 1215 this week
Portable Swamp Coolers - 3100 CFM MC37M Evaporative Air Cooler with 3-Speed Fan - Water Cooler Fan 950 sq. ft. Coverage High Velocity Outdoor Cooling Fan Swamp Cooler by Hessaire - Gray
Portable Swamp Coolers - 3100 CFM MC37M Evaporative Air Cooler with 3-Speed Fan - Water Cooler Fan 950 sq. ft. Coverage High Velocity Outdoor Cooling Fan Swamp Cooler by Hessaire - Gray
Cooling Capacity (CFM): 3100
Water Tank Capacity: 10.3 Gallons
Portability: Portable
Additional Features: Oscillating Louvers, Large Tank, 1-Year Warranty
Mountman 41-Inch Swamp Cooler, 4800CFM Industry Evaporative Cooler, 3 Speeds, 120° Swing, 10.6 Gal Water Tank, 3 Ice Packs,Outdoor Evaporative Air Cooler for Patio, Yard, Porch, Factory
Mountman 41-Inch Swamp Cooler, 4800CFM Industry Evaporative Cooler, 3 Speeds, 120° Swing, 10.6 Gal Water Tank, 3 Ice Packs,Outdoor Evaporative Air Cooler for Patio, Yard, Porch, Factory
Cooling Capacity (CFM): 4800
Water Tank Capacity: 10.6 Gallons
Noise Level: 55 dB
Portability: 4 universal wheels
Additional Features: 3 Wind Speeds, 120° Wide-Swing
Uthfy Swamp Cooler Air Conditioner, Evaporative Air Cooler with 5.3 Gallon Water Tank, 4 Ice Box, Remote, 12H Timer, 120°Oscillation, Portable Cooling Fan with 3 Speeds for Bedroom Home Office
Uthfy Swamp Cooler Air Conditioner, Evaporative Air Cooler with 5.3 Gallon Water Tank, 4 Ice Box, Remote, 12H Timer, 120°Oscillation, Portable Cooling Fan with 3 Speeds for Bedroom Home Office
Cooling Capacity (CFM): 1800
Water Tank Capacity: 5.3 Gal
Noise Level: 45 dB
Portability: 13 pounds, 360° wheels
Additional Features: Ice tray, 120° Oscillation, 12 H Timer
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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Uthfy Portable Air Conditioners, 3 In 1 Swamp Cooler with 6 Ice Packs, Evaporative Air Cooler with 120°Oscillation, 12H Timer, 3 Speeds, 4 Modes, Remote, Cooling Fan for Bedroom, Living Room, Office
Uthfy Portable Air Conditioners, 3 In 1 Swamp Cooler with 6 Ice Packs, Evaporative Air Cooler with 120°Oscillation, 12H Timer, 3 Speeds, 4 Modes, Remote, Cooling Fan for Bedroom, Living Room, Office
Noise Level: 25 dB
Portability: 4 wheels, lightweight
Additional Features: 6 Ice Packs, 12H Timer, Removable Tank
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
Evaporative Cooler, VAGKRI 2100CFM Air Cooler, 120°Oscillation Swamp Cooler with Remote Control, 24H Timer, 3 Wind Speeds for Outdoor Indoor Use,8 Gallon
Evaporative Cooler, VAGKRI 2100CFM Air Cooler, 120°Oscillation Swamp Cooler with Remote Control, 24H Timer, 3 Wind Speeds for Outdoor Indoor Use,8 Gallon
Cooling Capacity (CFM): 2100
Water Tank Capacity: 8 Gallons
Portability: 26.2 pounds
Additional Features: 120° oscillation, digital display, remote control
OEMTOOLS 23969 Swamp Cooler Air Conditioner Portable, 3-Speed Fan, Cools 1600 sq ft, 5300 CFM Mobile Swamp Cooler
OEMTOOLS 23969 Swamp Cooler Air Conditioner Portable, 3-Speed Fan, Cools 1600 sq ft, 5300 CFM Mobile Swamp Cooler
Cooling Capacity (CFM): 5300 Cubic Feet Per Minute
Water Tank Capacity: 14.6 Gallons
Noise Level: 68 dB
Portability: Portable with casters
Additional Features: High-density media, built-in tray
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Buying Guide for the Best Swamp Coolers
Swamp coolers, also known as evaporative coolers, are a great way to cool your home, especially in dry climates. They work by drawing warm air through water-soaked pads, which cools the air through evaporation before it is circulated throughout your space. When choosing a swamp cooler, it's important to consider several key specifications to ensure you select the best fit for your needs. Understanding these specs will help you make an informed decision and ensure you get the most efficient and effective cooling for your environment.Cooling Capacity (CFM)Cooling capacity, measured in cubic feet per minute (CFM), indicates the volume of air a swamp cooler can move. This spec is crucial because it determines how effectively the cooler can lower the temperature in your space. To navigate this spec, consider the size of the area you need to cool. Small rooms (up to 300 sq ft) typically require a cooler with 1,000-2,000 CFM, medium rooms (300-700 sq ft) need 2,000-3,500 CFM, and large rooms (over 700 sq ft) may need 3,500-5,000 CFM or more. Choose a cooler with a CFM rating that matches the size of your space to ensure optimal performance.
Water Tank CapacityThe water tank capacity indicates how much water the cooler can hold, which affects how long it can run before needing a refill. This spec is important because a larger tank means less frequent refilling, which is more convenient for continuous use. Small tanks (up to 5 gallons) are suitable for short-term use or smaller spaces, medium tanks (5-10 gallons) are good for moderate use, and large tanks (over 10 gallons) are ideal for extended use or larger areas. Consider your usage patterns and the size of the area to determine the right tank capacity for you.
Power ConsumptionPower consumption, measured in watts, indicates how much electricity the swamp cooler uses. This spec is important for understanding the operating cost and energy efficiency of the unit. Lower power consumption (up to 100 watts) is ideal for small, energy-efficient models, medium power consumption (100-300 watts) suits average-sized units, and higher power consumption (over 300 watts) is typical for larger, more powerful coolers. Choose a model that balances cooling performance with energy efficiency based on your cooling needs and energy usage preferences.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the swamp cooler operates. This spec is important for ensuring a comfortable environment, especially if the cooler will be used in living areas or bedrooms. Lower noise levels (up to 50 dB) are ideal for quiet operation, medium noise levels (50-70 dB) are acceptable for most living spaces, and higher noise levels (over 70 dB) may be suitable for larger, noisier areas like workshops. Consider where you will use the cooler and your sensitivity to noise when choosing the right noise level.
PortabilityPortability refers to how easily the swamp cooler can be moved from one location to another. This spec is important if you need to cool different areas at different times or if you plan to store the cooler when not in use. Lightweight models with wheels and handles are highly portable and suitable for versatile use, while larger, stationary models may offer more cooling power but are less convenient to move. Consider your need for mobility and the layout of your space when deciding on the level of portability you require.
Additional FeaturesAdditional features can enhance the functionality and convenience of a swamp cooler. These may include remote controls, timers, adjustable fan speeds, and air filters. These features are important for customizing your cooling experience and improving air quality. Basic models may have fewer features but are straightforward to use, while advanced models offer more control and convenience. Think about which features will be most beneficial for your lifestyle and cooling needs when selecting a swamp cooler.