4 Tips to Prevent Deposits from Forming in Evaporative Coolers

4 Tips to Prevent Deposits from Forming in Evaporative Coolers

October 3, 2018 10:12 pm Published by Leave your thoughts

An evaporative cooler is a must-have piece of machinery here in the hot, dry Southwest. It will help you keep your home cool all year long, while also introducing some humidity into your internal environment.

Of course, there are some common maintenance issues that pop up with this equipment, including the formation of deposits inside the system. Because the water in Arizona tends to be hard, meaning it’s rich in minerals, the process will result in larger amounts of calcium and alkaline deposits being left on the cooler pads and the cooler interior. When left unchecked, these deposits can result in corrosion of the metal housing and a substantially worse operating life of the cooler.

With this in mind, here are some tips to help you prevent deposits from forming on commercial and residential evaporative coolers.

#1 Check the system at the start of each season

Before you get into the real heavy cooling season, make sure you do a pre-season inspection to ensure the system is in good condition and does not have any remaining deposits from the previous season. Thoroughly clean out the cooler, taking off the panels and scrubbing them with a water/vinegar mixture. Make sure you’ve cleaned the vanes of the panel of all buildup and debris.

Never use water in the cooler from a water softener. The sodium-rich nature of softened water can result in increased scale buildup.

#2 Use quality pads

The types of cooler pads you use can make a significant difference in preventing deposit buildup. Whatever brand you go with, make sure they’re good ones. If you need to change them during the course of the season, do so as often as you need to. Usually you’ll change the filters two or three times per season, but if you have water that is especially hard, you might need to do so even more often than that.

#3 How to Remove Calcium Deposits from Swamp Cooler Pads

Make cleaning a priority
One of the most common questions we receive is, “how do you remove calcium deposits from evaporative cooler pads?” You should regularly clean out the interior of the unit to prevent deposits from forming. The best cleaner is a simple mix of white vinegar and water. You should clean the water pan reservoir at the bottom of the cooler at least once a month throughout the season to prevent minerals from building up inside. You should also wash the water curtains and filter every couple weeks with some mild detergent and lukewarm water.

#4 How to Prevent Calcium Build Up in Swamp Coolers

End of season maintenance
Once the cooling season has come to an end, there will be a little more maintenance you’ll need to perform before you’re done for the year. First, drain out the unit, then give it a last cleaning to remove any debris that has built up. If you have a fan-only setting with your unit, run the fan for about an hour before you empty it and clean it so you can get everything completely dry.

For more information about how you can prevent a buildup of mineral deposits on your residential or industrial evaporative cooler parts in Phoenix and throughout the Southwest, contact the experienced team at Premier Industries Inc. today.

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