Zehnder Group intends to acquire Airthings' business segment for indoor air quality monitoring
- Signing of a letter of intent to sell Airthings' business segment assets to Zehnder
- Targeted strengthening of Zehnder's growing Clean Air Solutions service division with innovative solutions for indoor air quality monitoring
- Asset Purchase Agreement planned, pending customary due diligence
Gränichen (CH), 16 June 2025: Zehnder Group (SIX: ZEHN), a leading international provider of complete solutions for a comfortable, energy-efficient and healthy indoor climate plans to acquire the business segment assets of Airthings ASA. The two companies have signed a letter of intent to this effect. Airthings, headquartered in Oslo, Norway, develops and sells solutions for indoor air quality monitoring. The solutions for business customers complement Zehnder's growing industrial customer segment Clean Air Solutions, a service business for clean indoor air. The acquisition would enable Zehnder Group to strengthen its service business with this attractive segment in a targeted manner. In 2024, Airthings achieved sales of around USD 6 million in the business segment with an increasing share of recurring revenue. Following a customary due diligence, Airthings and Zehnder Group intend to sign an Asset Purchase Agreement.
Airthings is a leading technology company specializing in indoor air quality monitoring solutions. The award-winning technology was recognized by TIME’s Best Inventions and the CES Innovation Awards. To date, more than 1 million devices have been sold worldwide in the consumer and business segments.
Zehnder Clean Air Solutions, a division of Zehnder Group, delivers tailored solutions that significantly reduce airborne dust, pollutants, and harmful particles in industrial, commercial, and logistics facilities. Zehnder offers all products and services, from installation and commissioning to maintenance, including regular filter replacement, via a subscription model.
Next dates to note
| Six-month Report 2025 | 25 July 2025 |
| Sales for 2025 | 16 January 2026 |
| Integrated Annual Report 2025 and Media-/Analyst Conference 2026 | 26 February 2026 |
| Annual General Meeting 2026 | 19 March 2026 |
Contact
René Grieder
Member of the Group Executive Committee, CFO
Zehnder Group AG, 5722 Gränichen (Switzerland)
T +41 62 855 15 21, rene.grieder@zehndergroup.com
Alexander Kamb
Head of Investor Relations & Communications
Zehnder Group AG, 5722 Gränichen (CH)
T +41 62 855 15 36, alexander.kamb@zehndergroup.com
This media release is published in German and English. The German version is binding. For further information about the Zehnder Group, please visit www.zehndergroup.com.
Company profile
Zehnder Group provides world-leading solutions for a comfortable, energy-efficient and healthy indoor climate. The products and services of the Group include heating, cooling, indoor ventilation and air cleaning. The Group develops and manufactures its products at its own factories in Europe, China, and North America. In the 2024 financial year, the Zehnder Group had about 3500 employees and achieved sales of EUR 706 million. The company is listed on the SIX Swiss Exchange (symbol: ZEHN, number: 27 653 461). The unlisted registered shares B are held by Graneco AG, which is controlled by the Zehnder families.
Cautionary note regarding forward-looking statements
This release may contain certain forward-looking statements relating to Zehnder Group’s future business, development, and economic performance. Such statements may be subject to a number of risks, uncertainties and other important factors, such as but not limited to force majeure, competitive pressures, legislative and regulatory developments, global, macroeconomic and political trends, Zehnder Group’s ability to attract and retain the employees that are necessary to generate revenues and to manage its businesses, fluctuations in currency exchange rates and general financial market conditions, changes in accounting standards or policies, delay or inability in obtaining approvals from authorities, technical developments, litigation or adverse publicity and news coverage, each of which could cause actual development and results to differ materially from the statements made in this release. Zehnder Group assumes no obligation to update or alter forward-looking statements whether as a result of new information, future events or otherwise.