The Alternative to Cooling Towers

The Alternative to Cooling Towers

Choosing the right industrial cooler that is both efficient and cost-effective is crucial to your company’s operation. Cooling towers are a popular choice among owners of industrial facilities because they are believed to be inexpensive and energy efficient. In addition, cooling towers are manufactured in a variety of types and sizes, allowing companies to choose from a broad selection to fit their application. While there are some advantages to owning cooling towers, there are more notable disadvantages compared to purchasing an adiabatic cooler.

The Cooling Process – Adiabatic vs Cooling Towers

One major disadvantage is the actual process in which cooling towers operate. Since cooling towers function using an air-water system, air and water must make direct contact for the temperature of the water to be reduced. When this happens, a small amount of water evaporates, reducing the temperature of the water that circulates through the tower. The process is then repeated. This type of evaporation system is at high risk of causing Legionella, a severe form of pneumonia or lung inflammation caused by inhaling bacteria emitted into the atmosphere. Therefore, registration for all cooling towers is mandatory, and owners of facilities that operate cooling towers must comply with the guidelines of the Health and Safety Consultancy under the Notification of Cooling Towers and Evaporating Condensers Regulation 1992 act if they wish to continue operation. The water quality must be continuously monitored and tested, and the tower must be adequately maintained year-round to prevent outbreaks, this necessitates expensive chemical treatments.

On the other hand, adiabatic coolers operate as a dry cooler and use a simpler process. Water is only used when the cooling load is high, and water evaporation cools the air entering the adiabatic cooling unit. Unlike cooling towers, the water evaporates completely in the cooling process. The temperature is easily modified by adjusting the airflow of the cooler. There is a very low risk of Legionella and owners do not need to register adiabatic coolers. In fact, they are free to conduct their own system assessment without having to follow specific laws and guidelines. Compared to cooling towers, adiabatic cooling units require less chemical treatment and uses 70%-90% less water depending on the application, and the yearly cost of operation is significantly lower.

Industries save millions of litres of water per year using adiabatic cooling, plus 40% electricity while cooling towers use at least 1.5 quadrillion litres of water per year. Adiabatic cooling units also come with extended warranties and apart from being efficient they are very easy to manoeuvre, making them the ideal choice for industrial facilities.

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