A/C and Heat Pump


At any stage of development the system view and aspects must be considered. The best component does not work in a bad system. In any development project, OBRIST Engineering brings in and evaluates system needs such as control, overall energy and power management, etc.

Internal heat exchanger and full flexible tubing 
for R744 systems.

  • Fully Flexible
  • Zero Gram per Year Leakage
  • On Customer Demand
  • Layout and Design



EHR: Exhaust Heat Recovery

EHR: Exhaust Heat Recovery

EHR systems are a promising solution for further increasing vehicle efficiencies, particularly for the cargo industry

Read more

Technology Selection

All products and components by OBRIST Engineering are purposely designed according to the specific requirements of the refrigerant and the application. From prototype design to build-up and to mass-production validation, our engineers and technicians offer proven expertise in the management of compressor development programs.

Scroll Technology

OBRIST Engineering develops compressors, scroll expanders and heat pumps that define global benchmarks in terms of energy-efficiency, sustainability, cost-efficiency and usability. Our deep understanding in Scroll Technology and precise in-house Scroll 2D and 3D Simulation Tools gives us fast and comprehensive calcuations of scroll geometries.


During the past two decades OBRIST Engineering emerged as the technology leader in mobile applications based on the natural refrigerant R744. Our customers profit from our industry-leading expertise. The core of our expertise lies in a deep understanding of the thermodynamic process design of HVAC systems and of the resulting functional requirements regarding all components involved.

Quality and Safety

OBRIST has established a quality management system for development, manufacturing, assembly and marketing of components and systems. All products are designed according to the highest safety requirements, often exceeding the most demanding standards. A TÜV SÜD audit has ascertained that the requirements according to ISO 9001:2015 are fulfilled. The certificate is valid until 2019.

Photo of Frank Wolf & Frank Obrist

The masterminds behind OBRIST Engineering

Frank Wolf, CEO, together with Frank Obrist, Founder and President, head a team of experienced engineers and experts.