Calgary Facility


Situated on an expansive 8-acre site, our Calgary facility boasts 126,000 square feet of enclosed shop space, complemented by a 24,000 square foot office complex.

Fabrication of our top-quality equipment is seamlessly executed at our Calgary facility with our central Calgary headquarters serving as the operational hub.

From our Calgary office, we oversee all critical functions, including Sales, Project Management, Design, Drafting, Purchasing, and Accounting, ensuring streamlined operations and unparalleled customer service.

Our comprehensive product line, comprising OTSG's and HRSG's, is meticulously crafted through a blend of proprietary, in-house heat transfer design programs and industry-standard software. This meticulous approach guarantees that each product is custom-designed to meet our clients' specific requirements while adhering to the highest standards of quality and performance.

Since 1972, TIWW has been designing and manufacturing heat transfer equipment in Calgary; starting with Shell & Tube Heat Exchangers. In 1979, TIWW acquired the technology to design and fabricateOnce-Through Steam Generators (OTSG).

In 1998, we became a licensee of Nooter/Eriksen to also design and fabricate Heat Recovery Steam Generators (HRSG) specifically for Enhanced Oil Recovery (EOR) applications.

TIWW have an ASME approved QA/QC Program registered with the Alberta Boilers Safety Association (ABSA), the local pressure equipment safety authority, and we hold the following certifications:

  • U Stamp – Unfired Pressure Vessels ASME
  • S Stamp – Fired Boilers (Steam Generators) ASME
  • PP Stamp – Power Piping ASME
  • A Stamp – Power Boiler Assembly at plant and field sites ASME
  • R Stamp – Code shop/field repairs ASME
  • Section I – Power Boilers ASME
  • Section VIII-1 – Pressure Vessels ASME
  • B31.1 – Pressure and Boiler External Piping ASME
  • B31.3 – Pressure and Process Piping ASME
  • NB – The National Board of Boiler & Pressure Vessel Inspectors
  • CWB Certification