evaporative coolers

Evaporative Coolers: The Environmentally Friendly Way to Keep Cool

In previous blog posts, we have discussed climate change and how this may impact your businesses in terms of preparing for weather extremes such as heat, cold or extreme rainfall. To maintain productivity and the health of your staff you may need to consider augmenting how you cool or heat your business during climate extremes.

Air conditioner or air cooler?

In the summer months, when heat extremes make working challenging indoors, air conditioners, fans, and evaporative coolers can be used to bring the temperature to a comfortable level.  An important thing to stress is that an evaporative cooler is not the same thing as a portable air conditioner. They work in different ways. While a portable air conditioner uses refrigerant gas as its cooling agent, an evaporative cooler uses water. In addition, unlike air conditioning units, air coolers do not have a hot air duct that needs to be vented.  For these reasons, evaporative coolers may be a better solution for your business.

How do evaporative coolers work?

Evaporative coolers, also known as air coolers, utilise water evaporation to transform hot air into a refreshing breeze. This process creates a cooling effect that resembles the refreshing sensation one experiences when being near the seaside or emerging from a swimming pool. An evaporative cooler works by passing warm air through a filter or pad that is soaked with chilled water. The air absorbs moisture from the pad, which cools and humidifies the air. A fan then circulates the cooled and humidified air throughout the space pushing the warmer air outside of the room. The evaporative cooler works best in low humidity settings which are well-ventilated to enable a fresh flow of air. CAS Hire has rented out evaporative coolers to many industries including laboratories, call centres and retail outfits to name a few. However, larger areas with low ventilation will probably benefit most from air conditioning.

Why choose an evaporative cooler to chill a room?

One of the main advantages is that they have great environmental credentials. They use water as the coolant which is less harmful to the environment. In addition, they are very cheap to run and on average cost only a quarter of the cost of running an air conditioner.

So a low-energy and less polluting unit is definitely greener, however, air coolers tend to need more maintenance and should only be used in low humidity environments.

Remember to recycle!

To complete the lifecycle of this eco-friendly product, remember to recycle it at the end of its life. There are specialists who are able to recycle the different parts or your local recycling hub can offer advice. Renting one makes sense since the unit can be returned when no longer required and therefore is not sitting in a cupboard during the winter months. You will also have the benefit if specialists to help you rent the most appropriate unit for your business.  Finally, you also don’t need to worry about what to do with the unit once it reaches its final days. Get in touch with CAS Hire for advice on evaporative coolers. Our specialists have over 30 years of experience.

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