The advancements in manufacturing and design of cooling tower systems have a lot to do with materials. Engineered plastic is the new gold standard. In the past, traditional metal towers only lasted a few years and came with unwelcome environmental and economic side effects, like increased chemical use, higher maintenance costs, replacement costs, and disposal requirements.

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However, engineered plastic cooling tower systems are a valuable tool for productivity and cost savings for businesses. Factory-assembled cooling towers made with engineered molded plastics continue to gain popularity over galvanized sheet metal models that once dominated the cooling tower industry. There are several reasons why you might want to considered an engineered plastic cooling tower system to reduce costs and better meet your process needs:

Life Expectancy

Standard metal cooling towers have casings with thin sheets of galvanized steel. These sheets usually have welded seams that can deteriorate within a year and will require re-welding, patching, or coating to prevent leakage. Additionally, the cooling tower water treatment, which contains chemical compounds, tends to attack the galvanized metal, wearing it out in an extraordinarily short time. Also, environmental conditions such as sunlight, pollution, salt air, and harsh process chemicals contribute to galvanized steel’s early demise. Plus, ambient air pollution can affect galvanized steel, leading to premature failure.  Since metal expands and contracts depending on temperature, repeated cycling causes stress that can also accelerate corrosion, rust, and leakage.  Even low-grade stainless shell options, like series 300 stainless steel that’s designed to resist corrosion, wears out from cooling tower chemical water treatment chemicals and environmental factors.

Flexible Modular Design

In the past, plastic cooling tower systems were too small for many industrial processes. For that reason, galvanized metal cooling towers were traditionally used for most applications above 250 tons. But those days are over. Delta has introduced its TM Series® of modular, factory-assembled, plastic towers that can be combined to provide up to 2,500 cooling tons in a single unit. These modular cooling tower systems also facilitate the use of an extra margin of cooling capacity, making it easier to manage operational heat load or outflow changes or upgrade systems to meet future cooling requirements.

Continuous, More Economical Operation

Engineered plastic can also reduce the expected and inconvenient consequences of operating a cooling tower, which include electric power usage, water-treatment chemicals, labor and materials for maintenance, and unscheduled process downtime for cooling tower repairs. Maintenance and repairs usually mean process interruptions, the costliest of all problems related to cooling towers.

Easier Installation

The basic design advantages of the latest plastic cooling tower systems also include easier installation, especially on rooftops, because a lightweight plastic shell weighs up to 40 percent less than a steel tower, while being 5-10 times thicker. Bonus: Installation is often faster and easier when modular cooling towers are combined in a cluster.

Going Green

It’s possible for businesses to meet green standards and reduce the costs associated with being more environmentally conscious. How? A systematic approach to cooling tower greenness will help increase energy efficiency, improve water conservation, and create a smaller carbon footprint, compared to conventional cooling towers, often constructed with sheet metal cladding. The alternative of using cooling towers with molded seamless plastic is immediately beneficial to both the environment and bottom line.  In addition, engineered HDPE plastic design cooling towers are designed for the most aggressive water treatment options available, allowing higher cycles of concentration and saving tens of thousands of gallons of makeup water per year.  These substantial water and chemical savings can help solve water issues as well as save on operating costs. Plus, the counterflow design of Delta cooling towers also keeps water totally enclosed and free from sunlight, lessening biological growth, making it less likely that you’ll need harsh cooling tower water treatment.

The Advantages of Cooling Towers for Commercial Buildings

Every business owner dreams of reducing energy bills. Well, guess what? Installing a cooling tower is one of the most effective ways to optimize your HVAC system’s power consumption to, wait for it, and reduce your energy bill!

It combines high energy efficiency and environmental benefits. But is this solution suitable for your commercial building? This article will help you understand what a cooling tower is, how it works, and what benefits it offers.

What Is a Cooling Tower and How Does It Work?

People, electrical equipment, industrial processes – all of those generate heat. More heat puts additional strain on your HVAC equipment, making it consume more energy and potentially lead to frequent malfunctions.

A cooling tower solves the excess heat problem. It uses water to absorb heat and disperse it into the atmosphere. Cooling towers reduce the water temperature in the most energy-effective way possible: simply by exposing it to air.

Some water evaporates, and the rest becomes much cooler. This cooled water can then be reused in your HVAC system. By using a cooling tower, you reduce both energy and water consumption.

Cooling towers are often perceived as giant industrial-grade machines used in plants and manufacturing facilities. However, large commercial spaces also benefit from cooling towers. For example, they are often used in schools, hospitals, airports, and large office building HVAC systems.

A cooling tower is not a standalone cooling solution. It can complement your existing HVAC system and increase its efficiency. A typical example of a commercial setup is a chiller and a cooling tower combination: the former is used to cool the air using water that passes through the latter.

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Types of Cooling Towers

There are two main types of cooling towers:

1. Natural Draft
2. Mechanical Draft

Natural Draft Cooling Towers

These use the buoyancy provided by a tall chimney to naturally circulate air through the tower. They are typically used in large power plants due to their ability to handle massive quantities of water.

Mechanical Draft Cooling Towers

These towers are more versatile and popular for commercial buildings. They use fans to force or draw air through the tower.

Mechanical draft towers can be further classified into forced draft and induced draft cooling towers. Forced draft towers push air through the system, while induced draft towers pull it.

Each type has advantages and offer benefits for certain operations. The choice between them depends on various factors like your business’s size, energy requirements, location, and budget.

Is A Cooling Tower Right for Your Business?

The decision to invest in a cooling tower depends on a few critical factors.

Your business’s heat load is a primary consideration. Does your business really generate that much heat? If you own a data center, a shopping mall, or a large office building, you can find cooling towers extremely beneficial.

Your existing HVAC system is an important factor. If it includes components like chillers or heat exchangers that can work with a cooling tower, installing it makes much more sense. Otherwise, the cost of replacing the whole system may render the entire idea impractical.

The financial aspect plays a critical role. Cooling towers are expensive to install. If you have the budget for the initial investment and are looking for long-term savings, a cooling tower could be the right choice.

How to Choose the Right Cooling Tower

Selecting the right cooling tower for your commercial building involves carefully analyzing your needs and resources.

The first step is to assess your cooling needs. Consider factors like heat load, water quality, and environmental conditions. This will help you determine the type and size of the cooling tower you need. Typically, you will choose between forced and induced draft cooling towers – these two types are most used in commercial buildings.

Next, consider energy efficiency. Not all cooling towers are created equal. Some of them are more efficient than others. But additional effectiveness comes at a price, literally. You will have to find the perfect balance between initial costs and expected long-term returns.

Finally, take into consideration the tower’s reliability and lifespan. Cooling towers require regular maintenance to function effectively and prevent issues like legionella growth. You’ll need to ensure you have the resources for this maintenance if you choose to install a cooling tower.

Diversified HVAC is Here to Help

Diversified HVAC specializes in installing and maintaining various types of cooling towers. We can help you pick the right one, install it, and take care of its regular maintenance, ensuring you enjoy the long-term benefits of your investment.

For more information, please visit Open Type Cooling Tower.