Application centre

Gränges' application centre is ideal for testing small units of customer-designed heat exchangers.

To explore the applications of brazed heat exchangers within non-automotive air-conditioning and other industries, Gränges builds competence within heat exchanger prototype design, optimization, and performance testing.


State-of-the-art facilities, competencies and equipment. Folded tube and fin forming lines.


Allows us to assess the challenges and potential of brazed aluminium heat exchangers in a range of applications under various conditions.

We offer services such as laboratory aluminium brazing, brazeability tests, sagging tests, filler flow tests, and prototype brazing.

Customer value

The collected knowledge and experience from these processes allows us to customise truly optimized aluminium product solutions. It also lets us replicate customer processes and heat exchanger operational environments, so supporting:

  • specific customer development projects
  • trouble shooting of customer issues
  • to customise truly optimized aluminium product solutions.