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Frequently Asked Questions

Should I oil the fan motor?
A. That is not required. The motor bearings are sealed and cannot be oiled.
What assembly is required?
A. None. Most Portacool™ portable evaporative coolers are ready to use right out of the box.

Where can I buy replacement parts?
A. Portacool™ portable evaporative cooler replacement parts may be purchased from any Portacool™ product distributor or directly from Portacool™ Parts/Technical Support department. You may also visit to order online.

What's the different between misting systems and evaporative cooling?
A. Misting units spray a shower of water into the air that will collect on people, objects, equipment, floors, etc. Portacool™ portable evaporative coolers use the process of evaporation to produce cooler air, but do not discharge a mist.

What is the best environment to produce the most cool air?
A. For optimum performance, the temperature should be 85F or higher and the relative humidity should be below 75%. However, Portacool™ portable evaporative coolers will reduce the temperature in almost any environment, making it more pleasant.

What is a normal amount of moisture for the evaporative coolers to produce?
A. An increase in humidity of approximately two to five percent is produced, depending on the temperature and humidity of the environment. This increase is not noticeable in a ventilated area where the air produced by the evaporative coolers is exhausted.

How do I prepare my Portacool™ portable evaporative coolers for storage?
A. Drain the evaporative coolers, dry out the pads and place the evaporative coolers, preferably covered, in a dry place for the winter season. For more details, please call our Tech Support Hotline at 1-800-695-2942.

Should I use ice in the sump tank for better cooling?
A. Some of the vapor from the ice water may be picked up and distributed by the evaporative cooler, but this does not increase evaporation and therefore will not produce significant cooling.

My Portacool™ portable evaporative cooler isn't putting out any cool air.
A. First, make sure the water source and electricity source are connected and working. Second, check the back of your evaporative cooler to see if the pads are damp. Adjust the water flow. For the evaporation process to occur, the pads must be damp before you turn on the fan. Third, make sure there is water in the tank. It should be allowed to fill before you turn the pump on. Fourth, if none of these options fix the problem, call our Tech Support Hotline at 1-800-695-2942 for additional assistance.

How long will the water supply last?
A. With no direct water source available, your evaporative cooler will evaporate the water in a filled sump tank within two to 10 hours of operation, depending on the water capacity of the evaporative cooler and ambient conditions. The evaporation rate will vary depending on temperature and humidity. A water source for refilling the sump tank is recommended by the manufacturer. Portacool™ portable evaporative coolers have an internal float valve for regulating water flow into the sump.
How often do pads have to be replaced?
A. Depending on the quality of maintenance and frequency of use, pads typically last up to five years. However, should you have any questions about the life of the pads for your Portacool™ portable evaporative cooler, please call our tech support department for more detailed information about replacing your pads.

Where are the model and serial numbers?
A. On the outside of every Portacool™ portable evaporative cooler is a metal plate with a white label with printed barcodes and other information. Model numbers begin with the letters “PAC.” Serial numbers are all-digits. Always provide the evaporative coolers serial number and model number when contacting Parts/Technical Support.

What is that unpleasant odor?
A. A new Portacool™ portable evaporative cooler will go through a break-in period during which it may emit some odor. The pads, located in the back of your Portacool™ portable evaporative cooler, have never been wet. The resin in the pads will emit an odor the first time you wet them that lasts approximately one to three weeks. Keep the evaporative cooler in an open area until the odor goes away or put a capful of laundry softener directly in the tank in the bottom of your evaporative cooler. After approximately two weeks of operation, the odor should disappear. If the evaporative cooler is not new, algae or bacteria growth from improper maintenance can cause odors. Please refer to your owner’s manual for proper cleaning and maintenance.
What if my questions aren't answered here?
A. Our Tech Support staff is available 8 a.m. to 5 p.m. Central Time, Monday though Friday at 1-800-695-2942 or you can e-mail us using our contact form.