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Leak Detection of Refrigeration, Air Conditioning, and Heating Systems

Climate protection and energy efficiency are shaping the heating, ventilation, air conditioning, and refrigeration (HVACR) industry more than ever. Regulatory requirements, increasing environmental awareness, and technological innovation are driving the development of efficient and sustainable systems. 

Across global markets, manufacturers are transitioning toward low-GWP and natural refrigerants such as propane (R290), isobutane (R600a), and CO₂ (R744). While these refrigerants offer significant environmental benefits, they also introduce new safety-related requirements—particularly due to their flammability. Reliable leak-tightness testing is therefore essential in industrial production.

This e-book supports manufacturers of HVACR systems and components in selecting the appropriate leak testing method for their production lines and in implementing reliable quality assurance processes. The first part provides a short overview of established leak-tightness and leak detection methods, outlining their respective advantages and limitations. The second part addresses the specific challenges associated with testing refrigeration, air conditioning, and heating systems.

In this e-book you will learn:

  • Which leak detection methods are suitable for HVACR production
  • How natural refrigerants impact testing requirements
  • How to ensure reliable quality assurance in series production

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