Shell and Tube Heat Exchanger
A Shell and Tube Heat Exchanger transfers heat between fluids using a series of tubes enclosed in a shell, ideal for high-pressure systems.
35+
Years of
Excellence
Excellence
Welcome
Welcome to
Welcome to
United Heat Exchangers
One of India's largest and most trusted heat exchanger manufacturers, proudly serving industries since 1989.
We design and manufacture a comprehensive range of industrial heat transfer solutions including air fin coolers, pressure vessels, air cooled heat exchangers, shell & tube heat exchangers, finned tube heat exchangers, air cooled condensers, double pipe heat exchangers, marine heat exchangers, and more.
Beyond manufacturing, we deliver complete end-to-end support — erection, commissioning, servicing, and fully customised heat exchanger solutions backed by strong infrastructure, dedicated R&D, experienced engineers, and 24/7 service support.
Our Strengths
Why Choose United Heat Exchangers?
Four decades of engineering excellence — built on precision, compliance, and client trust.
Custom Heat Exchangers
Precision-engineered shell & tube, air-cooled, and plate heat exchangers tailored to your exact industrial process requirements.
Pressure Vessel Experts
ASME-compliant pressure vessels including air receivers, flash tanks, and scrubbing towers built for high-pressure operations.
Trusted Since 1986
Over 35 years of excellence serving ONGC, ISRO, GAIL, and the Indian Navy with reliable, certified cooling solutions.
ASME & IBR Certified
All products are manufactured in strict compliance with international standards — ASME, IBR, IS, and TEMA specifications.
Global Export Reach
Supplying heat exchangers and pressure vessels to clients across Asia, the Middle East, and beyond from our Coimbatore facility.
End-to-End Support
From design consultation and engineering to manufacturing, testing, and after-sales service — we support the full lifecycle.
Product Range
Our Featured Products
Industry-proven heat exchangers and pressure vessels engineered for performance and longevity.
Finned Tube Heat Exchanger
A Finned Tube Heat Exchanger enhances heat transfer by increasing surface area with fins, ideal for efficient air or gas cooling applications.
Plate Heat Exchanger
A Plate Type Heat Exchanger uses thin metal plates to efficiently transfer heat between fluids, offering compact design and high thermal performance.
Air Cooled condenser
An Air Cooled Condenser condenses refrigerant vapors using ambient air, offering efficient, water-free heat rejection
Air Fin Cooler
An Air Fin Cooler transfers heat from process fluids through finned tubes using ambient air, ensuring efficient and water-free cooling.
Brazed Plate Heat Exchanger
A Brazed Plate Heat Exchanger uses thin, corrugated metal plates brazed together to efficiently transfer heat between fluids in a compact form.
Refluxer Condenser
A Refluxer Condenser condenses vapor and returns part of the liquid to improve separation efficiency in distillation.
Double Pipe Heat Exchanger
A Double Pipe Heat Exchanger transfers heat between two fluids using concentric pipes, ideal for low flow and high-temperature control.
Marine Heat Exchanger
A Marine Heat Exchanger cools engine systems by transferring heat from coolant to seawater, ensuring efficient marine engine operation.
Tubular Heat Exchanger
A Tubular Heat Exchanger transfers heat between fluids through tubes, ideal for high-pressure and high-temperature applications.
Oil Cooler
An Oil Cooler dissipates excess heat from lubricating or hydraulic oil, ensuring optimal performance and preventing equipment damage.
Finned Coolers
Finned Coolers enhance heat dissipation by increasing surface area, ideal for efficient air-side cooling in compact spaces.
Fin fan cooler
A Fin Fan Cooler uses fans to blow air over finned tubes, efficiently cooling process fluids without water, ideal for industrial applications.
Intercooler
An Intercooler reduces the temperature of compressed air or gas between compression stages, improving engine or process efficiency.
Air Blast Oil Cooler
An Air Blast Oil Cooler uses ambient air blown over finned tubes to efficiently cool hydraulic or lubricating oil without water.
Filter Vessels
A Filter Vessel removes impurities from liquids or gases, ensuring clean flow and protecting equipment in industrial systems.
Hairpin Heat Exchanger
A Hairpin Heat Exchanger enables efficient heat transfer in compact spaces, ideal for high-pressure, two-phase flow applications.
Air Receiver
An Air Receiver stores compressed air, balances pressure fluctuations, and ensures efficient operation of air compressor systems.
Air Dryers
Air Dryers remove moisture from compressed air systems, preventing corrosion, improving efficiency, and ensuring dry, clean air.
Flash Tank
A Flash Tank separates steam and condensate in high-pressure systems, improving efficiency and protecting downstream equipment.
Kettle Reboiler Heat Exchanger
A Kettle Reboiler Heat Exchanger uses boiling liquid to generate vapor, often in distillation columns, ensuring efficient heat transfer and process control.
SS High Pressure Heat Exchanger
An SS High Pressure Heat Exchanger efficiently transfers heat under high pressure, offering durability and reliability in demanding applications.
Removable Tube Sheet Heat Exchanger
A Removable Tube Sheet Heat Exchanger has a tube bundle that can be taken out from the shell for easy cleaning and maintenance, making it ideal for fluids that cause fouling or scaling.
Air Preheater
An Air Preheater recovers waste heat from flue gases to preheat incoming air, boosting boiler efficiency and saving energy
Dump Condenser
A Dump Condenser efficiently cools steam or vapor by transferring heat to a cooling medium, often used in industrial processes.
Surface Condenser
A Surface Condenser cools steam by transferring heat to a cooling medium, commonly used in power plants to condense exhaust steam.
Brass Tube Bundle Heat Exchanger
A Brass Tube Bundle Heat Exchanger transfers heat efficiently using brass tubes, offering excellent corrosion resistance and durability.
Coil Heat Exchanger
A Coil Heat Exchanger uses coiled tubes to efficiently transfer heat between fluids in compact, high-performance systems.
U Tube Heat Exchanger
A U Tube Heat Exchanger transfers heat using U-shaped tubes, ideal for high-pressure, and thermal expansion.
Stacked Heat Exchanger
A Stacked Heat Exchanger uses layered plates for compact, efficient heat transfer in tight spaces.
Scrubbing Tower
A Scrubbing Tower uses liquid sprays to remove pollutants from industrial exhaust gases, ensuring clean emissions.
O2 Reactor and Blow Tank
O2 Reactor and Blow Tank enable efficient oxidation and flow in compact industrial systems.
Aluminium Heat Exchanger
Aluminium Heat Exchanger Header Box ensures uniform fluid flow and efficient heat transfer.
LEF Condenser
LEF Condenser Header Box ensures uniform fluid flow and optimal condensation efficiency.
Test Separator Vessel
Test Separator Vessel ensures precise phase separation and accurate measurement of multiphase flow.
Air Cooler Header Box
An Air Cooler Header Box distributes fluid evenly to air cooler tubes, ensuring efficient flow and uniform heat exchange.
About Us
Precision Cooling Engineering Since 1986
United Heat Exchangers, based in Coimbatore, Tamil Nadu, is one of India's leading manufacturers of industrial heat exchangers and pressure vessels. Our state-of-the-art facility delivers ASME and IBR certified equipment to the oil & gas, power, petrochemical, and defence sectors.
Every unit is designed to withstand demanding operating conditions — engineered for efficiency, built for durability, backed by decades of expertise.
Learn More About Us
38
+
Years of Excellence
500
+
Projects Delivered
200
+
Clients Worldwide
15
+
Countries Served
Testimonials
What Our Clients Say
Trusted by India's leading public and private sector organisations for over three decades.
United Heat Exchangers delivered our shell and tube heat exchangers ahead of schedule. The build quality exceeded our expectations and the team was highly professional throughout the project.
R. Krishnamurthy
Senior Engineer, ONGC Ltd.We have been sourcing air-cooled heat exchangers from United for over 10 years. Their consistency in quality, compliance with ASME standards, and responsive after-sales support make them our preferred supplier.
Pradeep Nair
Procurement Manager, BPCLThe pressure vessels supplied by United Heat Exchangers for our refinery upgrade met all IBR specifications perfectly. Timely delivery and excellent documentation made the project seamless.
S. Venkataraman
Project Director, NRLOutstanding manufacturing quality and a team that truly understands the technical demands of marine applications. We confidently recommend United Heat Exchangers to any defence procurement team.
Cmdr. A. Sharma (Retd.)
Indian Navy – Technical Division
Knowledge Hub
From Our Blog
Technical insights, product guides, and industry updates from our engineering team.
shell and tube heat exchanger manufacturers in india
Shell and Tube Heat Exchanger Manufacturer
Designing, manufacturing, and exporting precision shell and tube heat exchangers to refineries, petrochemical plants, power stations, and in
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Air Fin Cooler
What is an Air Fin Cooler?
Complete engineering guide to Air Fin Coolers (Fin Fan / ACHE). Covers API 661 design, HTRI sizing, materials, noise control, and maintenance.
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air cooled condenser
Air Cooled Condenser: Complete Guide
Learn how air cooled condensers work, their types, benefits, and industrial applications in this complete guide for efficient thermal management systems.
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Our Clients
Trusted by India's Leading Organisations
Global Reach
Serving Clients Worldwide
