Understanding all about HVAC&R Unit coils Manufacturing and other process| Acrex by ISHRAE & Informamarkets

Understanding all about HVAC & R Unit coils Manufacturing and other process

Heating, Ventilation, Air Conditioning, and Refrigeration (HVAC/R) units are a crucial component in maintaining comfortable indoor environments. The heart of these systems lies within the coils. These coils are responsible for heat exchange and play a pivotal role in the overall performance of HVAC/R units.

In India, cities like Pune, Chennai, and Ahmedabad have emerged as major manufacturing hubs for HVAC/R components, including coils. These regions house numerous manufacturing facilities that contribute significantly to both domestic and international markets.

In this blog, let us learn about the intricacies of the manufacturing process for HVAC/R coils, shedding light on how these essential components come to life.

Process of Expansion

The journey of creating HVAC/R coils starts with a tube expansion process. HVAC manufacturers begin with a copper or aluminum tube that is the basis for the coil. By expanding one end of the tube, the surface area increases, facilitating better heat exchange. The process involves using specialized tools to ensure a snug fit for the fins, that are essential for efficient heat transfer.

Get Started with the Fins

Fins are a defining feature of HVAC/R coils. These delicate, metallic sheets play a significant role in enhancing the heat transfer process. HVAC manufacturers carefully attach these fins to the expanded tubes. The spacing and alignment of fins are critical. They directly impact the coil's heat exchange efficiency. Precision and attention to detail are paramount during this step.

Installation of Tube sheets and casing

The next stage involves the installation of tube sheets and casing. Tube sheets, made from materials like steel, provide structural support for the coil. It ensures that it maintains its shape and integrity under operational stress. Additionally, a protective casing is installed around the coil to shield it from external elements and to facilitate proper airflow.

Full Coil Structure

At this point, the core structure of the HVAC/R coil is taking shape. The expanded tubes, fins, tube sheets, and casing work together to create a functional unit. The careful assembly process ensures that all components are securely in place, providing the foundation for efficient heat exchange.

Examining the Coil

Quality control is a crucial part of the HVAC/R coil manufacturing process. Manufacturers subject the coils to a thorough examination to check for any imperfections or defects. This meticulous scrutiny helps ensure that only high-quality coils leave the production line. Any flaws could compromise the performance and longevity of the HVAC/R unit.

Process Experts for Manufacturing HVAC/R Coils

Manufacturing HVAC/R coils is a complex and highly specialized process. To create efficient and reliable coils, manufacturers rely on skilled engineers and technicians with expertise in HVAC/R systems. These professionals are responsible for optimizing the design, materials, and production processes to ensure that the coils meet the highest industry standards.


India's HVAC/R market is on a meteoric rise due to climate change, robust economic growth, government programs like 'Make in India' and PLI schemes, and a commitment to carbon neutrality by 2070. This burgeoning sector is set to reach $30 billion by 2030, growing at a CAGR of 15.8%. The Indian subcontinent has become a hotspot for both local and international HVAC/R manufacturers, striving to cater to domestic and global demand. India's HVAC industry is heating global markets with precision, innovation, and a commitment to comfort."

ACREX India 2024, themed "Powering Global HVAC Supply Chain" in Delhi, will spotlight this industry's rapid growth and serve as a premier networking platform for manufacturers, industry leaders, and experts, fostering business expansion and knowledge exchange. Click here to register for the largest exhibition on HVAC.

Acrex India 2020

India Expo Centre,
IEML, Greater Noida, Delhi-NCR.

Date & Opening Times
27 - 29 February, 2020
10:00 am - 6:00 pm


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