AB QVINTUS provide a deep and wide range of measuring instruments for temperaturpressure and valves for the Swedish and European markets. We have over 65 years of experience in the industry. In recent years, QVINTUS also focusing on selling digital instruments such as sensors transmitters.

QVINTUS ambition is to offer our customers a personal treatment with tailored solutions and products, with the adapted right quality.


QVINTUS offers customers in HVAC industry a full-scale digital solutions. Now, our entire digital product selections in temperature and pressure measurement are available on Qvintus homepage! Click PRODUCTS in headline, You will find all digital products' information in "Sensor & Transmitter" category.

Environment and Quality

AB QVINTUS has for several years been running a process in the business to improve our environmental impact. We have an environmental management system through Svensk Miljöbas (based on ISO 14001) and a certification in place that constitutes a clear guideline for the company's future environmental work. For us, it is important that the work is characterized by an awareness of the company's environmental impact and results in concrete improvements, regarding, for example, material selection in products and developing routines in the business.

QVINTUS is connected to FTI, the business system for recycling packaging.

For us quality is about delivering what we promise and what our customers expect from us. In other words: Do it right from the beginning. QVINTUS has built an effective and sustainable quality control system together with our suppliers. Our efforts also enhance our customers trust in QVINTUS products. In 2020 November, QVINTUS announce a 25 years warranty policy on our Q 606 series industrial thermometers.


AB QVINTUS was founded in 1953 by Claes Liljeberg, Rune Lövenberg and Torsten Tardelius. The three men had met while working for the same glassblowing company, Freiberger & André, shortly after the Second World War. When this company was about to move its location from Gröndal, south side Stockholm, to Karlskrona in the south of Sweden, the three of them decided to start their own business. They brought along two other colleagues and became five, which made a quintet - therefore the company was named AB QVINTUS.  

To start with, and for many years to come, QVINTUS found most of its customers within the Swedish shipping industry. Nordstjernan and the Johnson Shipping Line together with Kockums, Götaverken, Öresundsvarvet and Uddevallavarvet were regular customers. Even other Nordic ship building companies such as Kvaerner, Wärtsilä and Moss Rosenbergs Verft occurred as well. During this period the company produced large amounts of mercury switches, for use in staircases, refrigerators and different pumps.  

Due to the ship building crisis in the 1970’s QVINTUS shifted focus towards the Swedish HVAC (Heating, Ventilation and Air Conditioning) industry and heating plants all around the country. In the 1980’s, a department for ventilation tools was opened and in the 1990’s, tools for the district heating industry were brought in to broaden the range. QVINTUS now went on to the industry and OEM market (Original Equipment Manufacturer). In the beginning of 2000, even pressure gauges and needle valves have been added to the supply. Today the company is on the verge of introducing sensors as measuring instruments in the assortment and a big effort is being made to develop the export business.

AB QVINTUS is today a family business in the second and third generation, managed by the son of Torsten Tardelius, Ulf Tardelius. Since 2006 the business is located in Bandhagen in the south of Stockholm.