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18" Model Protective Cover

  • Regular price $ 159.00

18" Model Protective Cover is a professional PolarCool solution designed for reliable cooling performance and easy day-to-day operation.. This heavy-duty, custom-fit cover is designed specifically for 18" PolarCool evaporative cooling fans. Perfect for off-season storage or covering between uses, this durable, water-resistant polyester cover shields your equipment from weather exposure, dust, dirt, and outdoor debris helping extend the life of your fan and maintain top performance. Protects against rain, UV rays, dust, and environmental wear. Custom-fit design ensures secure coverage and easy installation. Reduces cleaning and maintenance time when fan is brought back into service. Ideal for industrial, commercial, agricultural, and outdoor cooling environments. Material: Heavy-duty, water-resistant polyester.


Sku: 6421-13014

Most PolarCool Parts are shipped via UPS unless otherwise noted.

  • Genuine PolarCool replacement component
  • Built for durability and reliable cooling performance
  • Designed for easy installation

Warranty: 3-Years on motor and all electrical components, Lifetime warranty on metal product housing. Warranty Info

Return Policy: View return policy

California residents: Click here for Proposition 65 warning.

Fast UPS Shipping on all Parts!
100% American Made in Bremen, Alabama
3-Year Warranty on the motor and all electrical components
25+ years of creating durable, mobile, low-maintenance swamp cooler fans.

18" Model Protective Cover

$ 159.00

Evaporative Cooler Fan FAQs

Have a PolarCool question? We are always here to help! See our complete List of FAQs

Why choose PolarCool for my facility?

  • Lower operational costs than compressor-based AC
  • Portable and scalable cooling options
  • Easy installation — no ducting or refrigerants
  • Made for continuous-duty operation in demanding environments
  • Proudly made and supported in the USA

Coverage depends on the model’s CFM rating, airflow direction, and ventilation. PolarCool units are ideal for spot coolingzone cooling, or air circulation across large industrial areas

Yes, in many industrial and commercial environments. They can replace or supplement AC systems in large, open, or high-bay facilities where traditional AC systems are impractical or costly



Typical results vary with temperature and humidity:

  • Hot & Dry (100°F / 20% RH): ~23°F drop
  • Warm & Dry (80°F / 20% RH): ~17°F drop
  • Hot & Humid (95°F / 50% RH): ~13°F drop

Even in humid conditions, you can expect 10°F–13°F cooling, ideal for manufacturing floors and equipment zones

Most PolarCool models run on a standard 115V outlet. Larger (48” models) industrial units may require a dedicated circuit; refer to your product’s specification sheet for amperage and voltage details.


PolarCool fans operate at relatively low noise levels for their high output, typically ranging from 53 to 68 decibels, comparable to a busy office environment. The units are designed for, and often used in, commercial or large workshop settings where the noise is generally not considered disruptive.


Yes, in many industrial and commercial environments. They can replace or supplement AC systems in large, open, or high-bay facilities where traditional AC systems are impractical or costly



Minimal. Units are ready to use out of the box. Remove shipping tape from the float valve before operation



Yes —fresh air circulation is critical for peak performance. Operate units with doors, vents, or bay openings available to prevent humidity buildup.



Absolutely. PolarCool units excel in semi-open or open-air facilities, such as loading bays, outdoor service areas, and athletic training spaces


Yes. PolarCool systems use advanced CELdex™ cooling media that still deliver measurable cooling even in humid regions. Many of our clients report significant comfort gains in Gulf Coast and Southern U.S. climates



PolarCool fans operate at relatively low noise levels for their high output, typically ranging from 53 to 68 decibels, comparable to a busy office environment. The units are designed for, and often used in, commercial or large workshop settings where the noise is generally not considered disruptive.



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