Proff Installasjon AS is an F-gas certified company, established in 2015 and owned and operated by Michaela and Jan Mastalir. The company has solid experience in technical installations and service, and delivers solutions to both private individuals and companies all over the world.

We collaborate with some of the largest international and Norwegian companies in the industry, and have completed renovations and technical installations in over 300 stores and commercial premises nationally. This has given us extensive experience with complex projects, tight deadlines and high demands for quality and safety.

Proff Installasjon AS specializes in installation, service and maintenance of HVAC-R systems, industrial cooling systems, heat pumps, as well as solutions for offshore and maritime environments. Our team of installers is professionally strong, continuously trained and works in line with current laws, regulations and industry standards.