Portable Evaporative Air Coolers

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Stay Cool with Portable Evaporative Coolers

Portable evaporative coolers use water evaporation instead of refrigerant to cool large or hard-to-condition spaces such as warehouses, workshops, and job sites, without a compressor or refrigerant. Using natural evaporation, these coolers deliver refreshing air without the high energy costs of traditional air conditioning.

Built for Commercial and Job-Site Cooling

Every portable evaporative cooler in this collection is a commercial-duty Portacool unit, built for warehouses, workshops, patios, job sites, and outdoor events rather than small household rooms. Use the coverage table below to match a unit's rated area to your space.

Coverage area by model

Model

Coverage Area

Approx. Price

Portacool Apex 500

Up to 500 sq ft

$1,188

Portacool Apex 700

Up to 700 sq ft

$1,716

Portacool Apex 1200

Up to 1,200 sq ft

$2,574

Portacool Apex 2000

Up to 2,000 sq ft

$3,612

Portacool Apex 4000

Up to 4,000 sq ft

$4,130

Effective Cooling for Any Environment

Designed for both indoor and outdoor use, these units work best in dry climates, adding moisture to the air while reducing temperatures. Their lightweight and compact design make them easy to move wherever cooling is needed.

Cost-Effective and Eco-Friendly

Unlike conventional AC systems, evaporative air coolers consume less electricity and do not rely on chemical refrigerants. This makes them a sustainable and budget-friendly cooling solution for homes, garages, patios, and offices.

Find the Best Solution for Your Space

Choose from a variety of models to suit your cooling needs. Whether you need a compact unit for a small room or a high-capacity system for a larger area, portable evaporative air coolers offer reliable comfort with minimal maintenance.

Evaporative cooler vs. portable AC

Evaporative cooling and portable air conditioning solve the same problem in different ways. Compare the two to confirm which fits your space and climate.

Factor

Evaporative Cooler

Portable AC

Cooling method

Water evaporation

Refrigerant compression

Best climate

Hot, dry, low humidity

Any climate

Installation

No venting required

Requires exhaust venting

Operating cost

Lower (fan and water pump only)

Higher (compressor draw)

Effect on humidity

Raises humidity

Removes humidity

Frequently Asked Questions

While standard fans simply circulate existing air without altering its temperature, portable evaporative coolers actively cool the air through evaporation. In contrast to air conditioners, which use chemical refrigerants and compressors to cool air and remove humidity, evaporative coolers add moisture to the air and are most effective in dry climates. They also consume less energy than traditional air conditioning units.

Portable evaporative coolers are most effective in hot, dry climates with low humidity levels, typically less than 60%. In such environments, the evaporation process efficiently cools the air. In areas with high humidity, the cooling effect is reduced, as the air is already saturated with moisture, making evaporative coolers less effective.

No, portable evaporative coolers are energy-efficient devices. They primarily use electricity to power the fan and water pump, consuming significantly less energy than traditional air conditioning systems. This makes them a cost-effective cooling solution, especially in areas where electricity costs are high.

Yes, portable evaporative coolers can be used indoors, provided there is adequate ventilation. Since they add moisture to the air, it's important to allow for the circulation of fresh air to prevent excessive humidity buildup. Placing the cooler near an open window or door can help maintain optimal indoor air quality.

Regular maintenance ensures optimal performance:

  • Water Management: Regularly refill the water tank and ensure the water is clean to prevent mineral buildup.
  • Cleaning: Clean the cooling pads, water tank, and exterior surfaces periodically to prevent mold and mildew growth.
  • Storage: At the end of the cooling season, drain the water, clean all components, and store the unit in a dry place.

Following the manufacturer's guidelines will help prolong the lifespan of the cooler.

When properly maintained, portable evaporative coolers are safe to use. Regular cleaning prevents the growth of mold and bacteria. However, in humid climates, increased moisture levels can potentially promote dust mites and mold growth, which may affect individuals with respiratory issues. Ensuring adequate ventilation and keeping the unit clean mitigates these concerns.

Match the unit's rated coverage area to the space being cooled, and size up for outdoor or poorly enclosed areas where airflow escapes more easily. A 500 square foot patio and a 500 square foot enclosed workshop will not cool the same way with the same unit.