Cryogenic and Natural Gas Processing Services

Hetsco’s high alloy specialty welders are also adept at installing piping in plants and removing and replacing piping in new or existing pipe racks and flare lines.



Hetsco stands for Heat Transfer Service Company. Our founding objective is the repair and modification of brazed aluminum plate fin heat exchangers which is a vital part of the cryogenic gas processes and gas processing industries. With over 30 years of experience in performing emergency in field repairs domestically and internationally. Hetsco is the “Go To” company for all work related to brazed aluminum heat exchangers and related equipment, thus maintaining a “Critical Vendor” status with many customers. Hetsco has maintained an (R) stamp from the National Board of Boiler and Pressure Vessel Inspectors since 1983. Hetsco is on call 24 hours a day and we are ready to help your company when you are in need of repairs. With our vast knowledge of industry processes and equipment operation, Hetsco helps customers have shorter downtime and keep costs to a minimum.

ALPEMA is the Aluminium Plate-Fin Heat Exchanger Manufacturer's Association, which currently represents the world's five major manufacturers of brazed aluminium plate-fin heat exchangers (BAHXs). ALPEMA guidelines "strongly recommended that any such repairs be carried out only by the Manufacturer or a recognised specialist repair team who have at their disposal all necessary backup and equipment to effect such repairs." Hetsco has completed repairs on BAHX in 44 states and 35 countries world-wide.

Hetsco specializes in:

  • Logistics to get craft and equipment on-site in an expedited manor
  • On-Site Repair of BAHX to NBIC standards
  • Shop repair and alterations of BAHX to NBIC and ASME standards
  • Support for Industrial Gas, Gas Processing & Petrochemical Facilities
  • Welding in Confined Spaces
  • Hetsco has a representative and staged equipment in the UAE


With over 30 years of experience Hetsco has developed the skills and technique to perform specialty welding tasks. Hetsco specializes in Aluminum TIG welding but also has the skills and capabilities to weld on all types of exotic alloys/metals. If we do not have a certification for a particular alloy/metal, Hetsco will research and become certified in that alloy/metal. All of these skills can be done in confined space conditions as well. Whatever it takes to make the job go right, Hetsco will go above and beyond the call of duty to get what the customer needs.

Hetsco can perform the following specialty welding:

  • TIG & MIG of Aluminum
  • TIG & MIG of Hastelloy
  • Stainless Steel
  • Incoloy
  • Chrome Alloys
  • Other Ferrous Metals
  • Peripheral Piping

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Hetsco has been in many cold boxes all around the world. We have been in 35 different countries working inside cold boxes. Besides specializing in the repair of aluminum plate fin heat exchangers, Hetsco also specializes in cold box repairs. Hetsco can repair the exchangers on-site, and replace the old exchangers with new exchangers. Hetsco can also perform thorough full inspections and crawl through any size of cold box. If columns or vessels need replaced Hetsco can fabricate new vessels or columns, remove the old one and install the new. Hetsco has many years of cold box experience. There is no job to tall or too tight. Hetsco has performed all types of maintenance in cold boxes as well. We have changed check valves, cryogenic valves, penetration boots, gel trap work, and many other aspects of the cold box. Whatever work that needs to be done in your cold box we have done it and if not we will do it in a safe and timely manner.



Hetsco is the ideal company for cold box refurbishments, because of having many years of experience and capabilities. With having a 12,000 square feet high bay facility along with (2) 25-ton overhead cranes, Hetsco has the capabilities to bring new life back into your cold box. Hetsco also has the capabilities to refurbish your cold box in the field.

Tasks that are involved in our refurbishments include:

  • BAHX repair or replacement
  • Valve refurbishment
  • Installation of new instrumentation
  • Re-route instrument tubing
  • Modifications of existing landings and ladders
  • Exterior painting
  • Insulation removal/installation
  • Column modifications
  • Piping modifications
  • Relocate valves

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Recent News

Chart Lifecycle Acquires Hetsco

"We are very excited to welcome the Hetsco team to the Chart Lifecycle family. They bring a wealth of knowledge and experience that will further bolster our commitment to delivering best-in-class, timely services to our customers.” Sam Thigpen, President – Chart Lifecycle, Inc.

Hetsco is delighted to announce that it has been acquired by Chart Lifecycle, Inc., a subsidiary of Chart Industries, Inc. The combined business will focus on extending equipment lifespan by offering services from installation/start-up, operations/maintenance, training/support, monitoring, process optimization, repair/maintenance and extended warranty. This acquisition supplements Chart’s current offering by bringing a full suite of welding services for industrial gas and gas processing facilities including mission critical repair, specialty maintenance, construction/fabrication and safety services, with a particular focus on brazed aluminium heat exchangers.

To learn more visit www.ChartLifecycle.com

Hetsco Acquision News In Times Square