By Rahul Aeron AVP, DRI-Desiccant Rotors International |  Added 17 August 2022

The rapid rate of urbanization has given rise to the issue of air pollution. Efforts are being made at the global level to tackle the issue wreaking havoc on the environment. Looking at the magnitude of outdoor air pollution people fail to recognize the indoor air pollution existing in their close proximity. But the indoor air pollution is as detrimental as outdoor air pollution and at times can even exceed the degree of damage incurred on the individual as it is unable to find an escape from the enclosed space.

Moreover, the present age building structures with tight designs for restricting filtering of the air inside are further compounding the problem by leaving no space for ventilation. The presence Rahul Aeron DRI Desiccant Rotors International DRI Rotorsof indoor air pollutants like formaldehyde, asbestos, VOCs dust, pollen, dirt, pet dander, biological growth, and excess humidity within the enclosed space, invariably deteriorates the Indoor Air Quality (IAQ) making it 2-3 times more polluted than the outdoor air. The vulnerability of the occupants increases substantially as poor IAQ leads to serious short-term and long-term health effects that may not show immediate signs but remain present as an underlying ailment in a subtle way. While breathing issues, lethargy, and pain in the eye, are some of the common and direct consequences of poor ventilation, there has been an emergence of a phenomenon called ‘Sick Building Syndrome’ that impacts the overall health and well-being of the person. People with pre-existing allergies and asthma conditions are the worst affected.

The intensity of the problem magnifies in large commercial and industrial spaces which have complex, packed structures leaving no scope for influx or outflux of air and generally are huddled with a large number of people. While the poor IAQ can negatively impact health, in places like offices, schools, and other workplaces, the uncomfortable conditions can immensely meddle with the concentration power of the individual and lead to reduced productivity of the occupants within the building.

The menace of poor IAQ can be curtailed by introducing clean fresh air from outside to the building. Energy Recovery Ventilation (ERV) is the most viable solution for improving the IAQ by ensuring the continuous circulation of cool fresh air. The ERV is balanced mechanical ventilation that preconditions the fresh air coming inside by recovering energy from the outgoing stale air to match the indoor temperature. ERV is highly efficient at getting rid of the stale air inside the building and replacing it with fresh air from outside. It is a versatile technology that is not just limited to the exchange of dry heat but goes a step further and removes the moisture from the space as well. Adding to the list of advantages, it is well adept at minimizing the energy loss where the heat exchangers transfer moisture and heat from outgoing stale / exhaust air to incoming fresh air through out the year.

Therefore, energy recovery ventilation is the way ahead for smart buildings which have value for energy saving. It functions smoothly without interfering with the operating capacity of the HVAC systems but contributes immensely to enhancing its efficiency. This is the most sustainable solution for achieving comfortable conditions within a building in the most environmental-friendly way.

To watch a brief video on Energy Recovery Ventilators, click https://www.youtube.com/watch?v=eE6uzVuft38

By Debashish Roy Choudhury AVP, ARCTIC Division, DRI |  Added 12 July 2022

The heat issue is an unsaid problem arising inherently in the warehouse setup. Warehouses form an essential part of the logistics value chain that offers space for goods collection, sorting, and dissemination within the supply chain. Therefore, it entails a large space with high ceilings to suffice the storage of all kinds of goods ranging from lightweight cartons to heavy-load commodities. As a result, dealing with the heat issue in the warehouse becomes tricky for which quality air solutions must be deployed to cool down the large space effectively.

Generally, the warehouses are managed by the on-ground workforce who carry out the smooth movement of goods by making use of a mix of manual as well as heavyweight machinery. Entailing to the nature of work involved, it generates a tremendous amount of heat within the premises which is responsible for high temperature that is unsuitable for the working conditions of the employees. Being exposed to excessive heat for a prolonged period of time can give rise to a phenomenon called heat stress that impedes the working efficiency of people and can impact their productivity. Therefore, controlling the temperature within the vicinity of the warehouse becomes imperative to retain its integrity and efficiency.

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As the area is large, Industrial Evaporative Cooling is the most effective solution suitable for the complex structure of the warehouse. Here, opting for air conditioning solutions can prove to be very expensive considering the large area to be cooled down. It will not just levy heavy installation charges but will continually add to the expenses with the high operational costs. Besides, given to the large space, a lot of energy gets wasted in cooling down the extra space. In contrast to air conditioning, evaporative cooling is adept at providing cooling solutions in the most cost-effective way. The installations require minimal capital costs where the average price of setting up the system is one-fourth of the air conditioning option.

Additionally, the mechanism is highly energy-efficient as it makes use of natural resources to cool down the area which substantially reduces the running costs of the machines. This innovative cooling solution is packed with high saturation efficiency and highly adsorbent materials that catalyze the productivity of the machine. As a result, energy consumption is minimized by utilizing 80 percent less electricity as compared to other alternatives available in the market. Here, brand like ARCTIC is proficient in fulfilling the air quality requirements, ensuring cooling solution in a comfortable and tension-free way.

Given that evaporative cooling makes use of natural resources, it consequently takes an environmentally-friendly route. In the process, it makes use of 100 percent natural fresh air from the surrounding air to cool down the large warehouse while ensuring a continuous supply of fresh oxygen to the room. The mechanism maintains the continuous influx and circulation of fresh air that reduces the sultriness of the packed space. It helps perishable goods to be kept in temperatures of around 30 °C and in the process, even eliminates the indoor stagnant air which can be a major factor harboring the growth of viruses and bacteria. Consequently, it also removes the fumes, odor, carbon dioxide, and other airborne impurities, and the built-in dust from enclosed space. All in all, evaporative cooling goes way beyond just cooling the warehouse and also improves indoor air quality at the same time. This is a major step towards reducing the carbon footprint.

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Deploying evaporative cooling, automatically reduces the temperature by 10 °C to 12 °C which is done with the simple mechanism of filtering hot, dry air through the water-saturated cooling pads. Here, the evaporating water initiates the formation of cooling vapor which is responsible for cooling down the space.

The evaporative cooling solutions help in boosting the productivity of the employees as in a comfortable environment they are better able to concentrate and deliver error-free work. This invariably contributes to the profitability of the company. Looking at the advantages of evaporative coolers it emerges as the best cooling solution for complex warehouse structures.

By Debashish Roy Choudhury AVP, ARCTIC Division, DRI |  Added 29 July 2022

Industrial Evaporative Cooling emerges as the most suitable option for providing cooling solutions in a factory

Evaporative Cooling is highly preferred by the factory settings for its economical cooling solutions. Considering that factories are involved in the mass manufacturing of products, they inherently encompass large space. It is coupled with complex structures for allowing the critical processes within the premises. Factories are home to heavy machines for carrying out all the critical processes like design specification, parts assemblage, raw materials processing, and execution of various crucial processes. Consequently, a lot of heat is generated within the premises which can have a damaging effect on the quality of the end product. Along with this, heat creates an uncomfortable environment leaving unsuitable conditions for work.

This highly meddles with the productivity of employees as heat leads to discomfort among them accounting for reduced accuracy. Given that cooling such a large space becomes tricky, the owners/ managers are always on the lookout for a comprehensive cost-effective cooling solution that accommodates the various aspects of a factory setting. It is very important to control the high temperatures as it can also damage the equipment over a period of time. But opting for an air conditioning system is a highly expensive option. It involves a lot of challenges to install a large number of systems which only gets compounded with the high installation, operational, and maintenance costs levied on the company.

Hence, depending on the natural resources, evaporative cooling considerably brings down the running cost of the cooler. Moreover, the high saturation efficiency of the machine backed up with self-supporting, and highly adsorbent materials further reduces the load on the cooling capacity of the system. All the factors together reduce the power required by the fan which achieves the same level of cooling at par with the air conditioning system. Cumulatively, there is 80 percent less electricity consumption when compared to air conditioners. Therefore, the entire efficiency of the evaporative cooling solution drastically brings down the operational cost where the installation cost requires almost negligible investment when compared to the other alternatives present in the market.

Owing to its wide gamut of benefits, the innovative cooling solution finds application in a number of industries ranging from automotive, food, engineering, textile, plastics, and many more. Given the cool comfortable working conditions, it escalates the attention span and hence the accuracy of the employees. Additionally, it also reduces the risk of illness arising from the poor air quality within the space. Hence, evaporative cooling is the most ideal and economical solution for the factory setup. Scaling the efficiency brand like ARCTIC comes with a deep understanding and expertise in duct designing, specially designed cooling pads, exhaust design systems for stale hot air displacement, and allowing cool fresh air to be introduced effectively and economically. (The author is AVP, ARCTIC Division, DRI)

By Debashish Roy Choudhury AVP, ARCTIC Division, DRI |  Added 19 July 2022

Factories are inherently complex structures for carrying out the manufacturing of products. It is characterised by large space with heavy machinery for various critical processes entailing design specification, the assemblage of parts, processing of raw materials, and executing other crucial operations as well. As a result, a lot of heat is generated within the space. Given the complicated nature of activities taking place, which can negatively impact the quality of end-products and at the same time create an uncomfortable environment that meddles with the working efficiency of the employees.

As the heat problem can effectively reduce the comfort, productivity, and accuracy of the employees, it can in turn affect the profitability of the company. Hence, there is a need for quality air solutions to curtail the impact of high temperature within the premises of the factory. But given the large space, arranging for suitable air solutions is very tricky. The option of air conditioning is ruled out as it is very challenging to install a large number of systems and the installation, operational, and maintenance costs posed by the system can put a lot of pressure on the financial front of the company.

Here, industrial evaporative cooling emerges as a suitable solution for meeting the demanding requirement of factory setup. It is adept at providing cooling solutions for large spaces in the most economical way with the help of factory cooling systems. The technology is effective throughout warm and tropical weather conditions.

The approach is very simple where it makes use of 100 percent natural fresh air from ambient surroundings and at the same time makes sure to continuously supply oxygen and cool down the large factory space in the most environment-friendly way. It effectively brings down the temperature by 10-12°C with the simple mechanism of drawing-in hot, dry air that is filtered and cooled through the water-saturated cooling pads. As a result, water evaporates by initiating the formation of cooling vapor. While ensuring a continuous supply of fresh air, the evaporative coolers not just cool down the large space but due to positive pressure also help in eliminating the stagnant air that inhibits the growth of viruses and bacteria. Therefore, its role goes beyond reducing the temperature within the factory premises and plays an instrumental part in improving the indoor air quality by removing fumes, odour, carbon dioxide, and other airborne impurities along with the inbuilt dust from the space. Consequently, the rate of illness occurring from bad air quality is curbed substantially.

It is the most energy-efficient solution, as it makes use of natural sources that invariably bring down the running cost of the system. Additionally, the coolers are self-supporting and backed up with highly adsorbent materials helping in high saturation efficiency that further contributes to the superior performance of the system. Given all the advantages, industrial evaporative cooling utilizes less fan power to achieve the same level of cooling that is provided by air conditioners. Also, it consumes 80 percent less electricity which drastically reduces the operational costs of the machines. Adding on to the already existing list of benefits, the installation costs also require small investments. Working with an established brand like ARCTIC for all your quality air requirements will provide you the comfort, trust, and a tension-free cooling solution. The decades of knowledge and expertise in duct designing, cooling pads, exhaust systems, etc. across diversified applications is what you get complimentary along with the product.

As a whole, this innovative cooling solution is adept at providing cool comfortable working conditions in the critical factory setup across a wide range of industries like automotive, food, engineering, textile, plastics, etc. This majorly contributes to enhancing the productivity of the employees who in the hot and stuffy conditions would have been unable to concentrate and deliver incompetent work due to the reduced accuracy in their performance. Consequently, there is a positive impact on the revenue generation of the company which makes evaporative coolers ideal and the most economical solution for factory cooling.

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