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10 Best Outdoor Evaporative Coolers 2025 in the United States
#1
Winner
Hessaire MC37M Portable Evaporative Cooling Fan, Indoor/Outdoor High Temp Low Humidity Environments, 3100 CFM, 950 sq. ft., 3-Speed Fan, 59 dB, Gray
The Hessaire MC37M Evaporative Air Cooler is a strong contender in the outdoor evaporative cooler category. With a cooling capacity of 3100 CFM, it effectively covers areas up to 950 square feet, making it suitable for residential outdoor spaces. The large 10.3-gallon water tank ensures continuous cooling for 3-4 hours, reducing the need for frequent refills. This cooler features a 3-panel intake system, enhancing its cooling efficiency by maximizing air intake and evaporation surface area.
Rating
10.0
Chosen by1,355
Cooling Capacity
Water Tank Capacity
Airflow
Most important from
4579 reviews
Top 10 Best Outdoor Evaporative Coolers 2025 in the United States
#1
Winner
10.0 score
Hessaire MC37M Portable Evaporative Cooling Fan, Indoor/Outdoor High Temp Low Humidity Environments, 3100 CFM, 950 sq. ft., 3-Speed Fan, 59 dB, Gray
Hessaire MC37M Portable Evaporative Cooling Fan, Indoor/Outdoor High Temp Low Humidity Environments, 3100 CFM, 950 sq. ft., 3-Speed Fan, 59 dB, Gray
Cooling Capacity: 3100 CFM
Water Tank Capacity: 10.3 Gallons
Airflow: 3100 CFM
Portability: Freestanding, 39 pounds
Power Consumption: 115 Volts
Additional Features: Portable, Oscillating Louvers, Large Tank
Chosen by 1355 this week
Uthfy 48" Evaporative Air Cooler, 6500 CFM Swamp Cooler with 19 Gallon WaterTank, Outdoor Air Conditioner with 5 Ice Packs, Portable Evaporative Cooler with 120° Oscillation, 3 Speeds for Outdoor Use
Uthfy 48" Evaporative Air Cooler, 6500 CFM Swamp Cooler with 19 Gallon WaterTank, Outdoor Air Conditioner with 5 Ice Packs, Portable Evaporative Cooler with 120° Oscillation, 3 Speeds for Outdoor Use
Cooling Capacity: 6500 CFM
Water Tank Capacity: 19 Gallons
Airflow: 6500 Cubic Feet Per Minute
Noise Level: 60 dB
Portability: Built-In 360° Caster Wheels
Additional Features: Auto Fill, 3-Side Cooling, 120° Oscillation
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: cools air up to 33 degrees
Water Tank Capacity: 46 Gallons
Airflow: 6,400 to 9,700 cubic feet/min
Noise Level: 61 dB
Portability: locking swivel casters, 270 lbs
Power Consumption: 510 Watts
Additional Features: low water indicator, auto shutoff
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Buying Guide for the Best Outdoor Evaporative Coolers
Choosing the right outdoor evaporative cooler can make a significant difference in your comfort during hot weather. These coolers work by evaporating water to cool the air, making them energy-efficient and environmentally friendly. To find the best fit for your needs, consider the following key specifications and understand how they impact performance and suitability for your specific situation.Cooling CapacityCooling capacity refers to the amount of air the cooler can cool and is usually measured in cubic feet per minute (CFM). This spec is important because it determines how effectively the cooler can lower the temperature in a given area. For small patios or decks, a cooler with a lower CFM (around 1,000-2,000) may be sufficient. For larger outdoor spaces, such as big backyards or commercial areas, you might need a cooler with a higher CFM (3,000 or more). Consider the size of the area you want to cool to choose the right capacity.
Water Tank CapacityThe water tank capacity indicates how much water the cooler can hold, which affects how long it can operate before needing a refill. This is important for convenience and continuous operation. Smaller tanks (up to 5 gallons) are suitable for short-term use or smaller areas, while larger tanks (10 gallons or more) are better for extended use and larger spaces. If you plan to use the cooler for long periods or in a large area, opt for a model with a larger tank to minimize refilling frequency.
AirflowAirflow is measured in cubic feet per minute (CFM) and indicates how much air the cooler can move. This spec is crucial for ensuring that the cooled air reaches all parts of the intended area. Lower airflow (up to 2,000 CFM) is suitable for small spaces, while higher airflow (3,000 CFM or more) is needed for larger areas. Consider the size of the space and how much air movement you need to ensure effective cooling.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the cooler will be during operation. This is important for comfort, especially if you plan to use the cooler in a residential area or during social gatherings. Lower noise levels (below 60 dB) are ideal for quiet environments, while higher noise levels (above 70 dB) may be acceptable in more active or commercial settings. Think about where you will use the cooler and how much noise you can tolerate.
PortabilityPortability refers to how easy it is to move the cooler from one place to another. This is important if you need to use the cooler in different locations or store it away when not in use. Features like wheels, handles, and lightweight design enhance portability. If you plan to move the cooler frequently, look for models with these features. For stationary use, portability may be less of a concern.
Power ConsumptionPower consumption indicates how much electricity the cooler uses, typically measured in watts. This is important for understanding the operating cost and energy efficiency. Lower power consumption (up to 200 watts) is ideal for energy savings, while higher power consumption (300 watts or more) may be necessary for more powerful cooling. Consider your energy usage preferences and the cooler's efficiency to choose the right model.
Additional FeaturesAdditional features can include remote control, adjustable fan speeds, timers, and air purifiers. These features enhance convenience and functionality. Remote control and timers are useful for easy operation and energy management, while adjustable fan speeds allow for customized cooling. Air purifiers can improve air quality. Think about which features will make your experience more comfortable and convenient.