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Indoor Air Quality and HVAC Systems – HIGH ON HVAC

Indoor Air Quality & HVAC Systems

INDOOR AIR QUALITY & HVAC SYSTEM

Heating, ventilation, and air conditioning or HVAC systems are seeing new age developments as they integrate seamlessly within various spaces.

 

In recent years, people have become highly conscious about the health repercussions arising from poor indoor air quality. Consequently, to address the issue, there is a growing emphasis on indoor air quality (IAQ) with a focus on achieving the comfort of the occupants. This has invariably contributed to the rising demand for HVAC solutions that accomplish the dual purpose of regulating temperature along with removing pollutants and allergens from indoor spaces.

GREEN VISTAS

The HVAC industry is at a very interesting cusp of development. Driven by the growing importance of net-zero solutions in the segment, the industry is adopting energy-efficient solutions with alacrity to reduce the carbon footprint significantly. “To achieve this goal, the HVAC space is embracing Variable Refrigerant Flow (VRF) systems to ensure precise temperature control and zoning capabilities aimed at curtailing energy consumption with efficient operation as compared to traditional HVAC systems. To further strengthen the prospects of providing energy efficient solutions, the industry is focusing on reducing the cooling or heating load by resorting to natural methods of ventilation. By ensuring ingress of fresh air, ventilation plays a pivotal role in removing the contaminants from the space while maintaining comfortable temperature and humidity levels for the occupants. Here, by minimizing the dependence on heating and cooling systems, it contributes to reducing the consumption of electricity,” says Varun Pahwa President, Desiccant Rotors International.

 

Varun Pahwa            IAQ
Working towards improving the indoor air quality and hygiene of the space, HVAC systems are
continuously innovating to curtail the proliferation of microorganisms in a closed space.

 “The advanced technologies are also contributing to the enhanced automation of the systems for precise control of temperature, humidity, and other factors of the environment. Apart from this, the HVAC industry is progressing at a phenomenal rate by harnessing the benefits of collated data to practice predictive maintenance of the systems to troubleshoot and calibrate the systems to eliminate faults effectively that too in advance,” adds Pahwa. 

Driven by the growing importance of net-zero solutions in the segment, the industry is adopting energy-efficient solutions with alacrity to reduce the carbon footprint significantly.                      HVAC DRI Rotors            

Driven by the growing importance of net-zero                         HVAC industry has actively transitioned away
solutions in the segment, the industry is                            from refrigerants that cause Ozone depletion and      adopting energy-efficient solutions with alacrity                            adopted refrigerants with low Global
to reduce the carbon footprint significantly.                                                   Warming Potential.

INDOOR AIR QUALITY

Working towards improving the indoor air quality and hygiene of the space, HVAC systems are continuously innovating to curtail the proliferation of microorganisms in a closed space. As a result, the industry is scaling its offering with the incorporation of advanced filtration systems to capture a wide gamut of airborne contaminants entailing bacteria, viruses, and allergens. “Additionally, the industry is further fortifying the antibacterial and antifungal measures with the integration of UV-light technology into the systems aimed at sterilizing air and surfaces for neutralizing harmful microorganisms. Along with this, the systems are proficient at inhibiting the growth of bacteria and fungi with antimicrobial coatings on the components contributing to the elevation of indoor air quality of the space. Going a step ahead, the industry is equipping the coolers with highly efficient and reliable antibacterial cooling pads that inhibit the formation of bacteria on the surface to provide the necessary protection against the diseases arising from microorganisms,” says Pahwa.

Smart Controls                               Ozone Depletion           

Smart controls, using Variable Frequency                          HVAC industry has actively transitioned away
Drives (VFD), now have a crucial role in                               from refrigerants that cause Ozone depletion
optimizing the performance of motors,                                   and adopted refrigerants with low Global
including AC fan motors and compressors,                                             Warming Potential.
in the HVAC industry 

        

Ensuring Product Quality and Worker Safety with Evaporative Cooling

Evaporative Cooling Systems

By D Roy Choudhury, AVP, Desiccant Rotors International | The Machinist | May 21, 2024

Industry players are seeking cost-effective solutions for cooling their spaces in anticipation of the hot summer months. The article outlines why evaporative cooling is a viable option for effectively cooling large spaces, such as manufacturing facilities.

With the onset of summer, heatwaves remain a matter of concern among people. Adding to it, working in industrial plants compounds the heat problem as the spaces are inherently complex structures containing heavy machinery where critical processes are carried out. Considering the critical nature of these processes, they further contribute to the dissemination of a significant amount of heat. Predictions based on IMD reports indicate an impending heatwave expected to reach its peak between May and June, can further worsen the situation in an industrial plant setup. The heat within the facility can lead to deterioration of the products, which can immensely compromise the quality and jeopardise the profitability of the company. In addition to this, inadequate cooling owing to the complexity of the structure coupled with the rising temperatures can account for uncomfortable conditions, making the premises unsuitable for working. Additionally, prolonged exposure to excessive heat can lead to a phenomenon called heat stress among the occupants. Symptoms such as swelling, cramps, and exhaustion can also develop among the employees.

These factors collectively impede the productivity of the employees and interfere with the smooth functioning of the day-to-day operations. Therefore, to optimise the output of the plant, it is imperative to maintain the temperature within comfortable limits to boost the performance of the employees. However, cooling down the excess space in large facilities consumes a significant amount of energy. Moreover, with the impending sweltering summer,
industry players are seeking cost-effective solutions to efficiently cool their spaces. Industrial evaporative cooling emerges as the most viable solution for effectively cooling large spaces. Installing air conditioning can be challenging and costly, requiring a large number of systems and leading to high installation, maintenance, and operational costs. Conversely, evaporative cooling ventilates premises in the most economical way, with minimal capital costs for installation and setup prices just one-fourth of those for air conditioning systems. Industrial evaporative cooling provides a cost-effective solution by continuously utilising natural resources to cool spaces in an environmentally friendly manner. By extracting 100 per cent natural air from the surroundings, this mechanism ensures a continuous supply of oxygen to cool large industrial spaces while also eliminating fumes, odours, carbon dioxide, airborne impurities, and built-in dust. This circulation of fresh air reduces sultriness and removes stagnant indoor air, which is responsible for the proliferation of viruses and bacteria. Therefore, in addition to fulfilling the task of cooling down the plant, evaporative cooling plays a crucial role in enhancing the indoor air quality as well. Evaporative cooling significantly lowers temperatures by 10°C to 12°C by employing water-saturated cooling pads to filter out hot, dry air. This mechanism initiates water evaporation to form cool vapours, thereby providing a cooling effect. High-adsorbent materials are utilised to further enhance saturation efficacy, ultimately reducing the overall running costs of the machines. Consequently, there is a notable reduction in energy consumption, with evaporative cooling systems using 80 per cent less electricity compared to other cooling solutions on the market. Brands such as ARCTIC can proficiently achieve the required air quality and effectively cool spaces in a comfortable and hassle-free manner. Considering the wide array of advantages evaporative cooling offers, it has the potential to increase plant productivity. By improving employee comfort and concentration in hot conditions and ensuring optimal machine performance by preventing overheating, these cooling systems contribute to both employee well-being, safety, and operational efficiency within the plant.

 

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