Six-month Report 2026

Management ReportFinancial Report

Management Report    

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Dear shareholders,

In the first half of 2026, Zehnder Group achieved further sales growth on the back of the strong ventilation segment. In Europe, we continued to grow our ventilation sales overall, while in North America we benefited from targeted expansion of our ventilation business. The general increase in the share of ventilation sales combined with efficiency improvements contributed to a higher operating margin, which increased the adjusted operating result at a faster rate than sales. By contrast, in the radiator segment, sales and the operating result remained under pressure despite the measures implemented.

Our innovation and market launch initiatives in Europe delivered positive results in the ventilation business. The share of sales generated by the Zehnder EVO product line for multi-family homes in Europe continued to increase, supported by product launches in additional countries. The planned development of our US business also progressed further during the first half of the year as we expanded into additional states and secured new projects, strengthening our overall presence in this key market.

Geopolitical tensions in the Middle East led to increased volatility in the energy and raw materials markets. Thanks to disciplined cost management, the impact on our business has so far remained limited.

In June 2026, we took the next steps in developing our organisational and management structures. Going forward, our European ventilation and radiator activities will be managed as separate divisions, each with its own profit and loss responsibility. This divisional structure will enable us to capitalise more effectively on the specific potential of each market, shorten decision-making processes, and tailor our segment strategies more precisely.

Although market conditions remain challenging in certain regions, we are encouraged by the progress in our ventilation business, our growing internationalisation, and our organisational realignment. We will continue to execute our strategy with consistency and focus, and remain committed to profitable growth and the sustainable enhancement of corporate value.

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Key figures 1st half-year

1  For further information, please refer to: Alternative performance measures.

1st half-year 2026

1st half-year 2025

Change from prior year in %

Sales

EUR million

394.9

382.8

3.2

EBITDA adjusted1, 2

EUR million

49.8

44.9

10.9

% of sales

12.6

11.7

EBITDA1

EUR million

44.3

44.9

–1.2

% of sales

11.2

11.7

EBIT adjusted1, 2

EUR million

37.7

32.7

15.3

% of sales

9.5

8.5

EBIT

EUR million

32.2

32.7

–1.4

% of sales

8.2

8.5

Net profit3

EUR million

23.9

23.5

1.7

% of sales

6.0

6.1

Cash flow from operating activities

EUR million

5.1

22.9

–77.6

% of sales

1.3

6.0

Research & development expenses

EUR million

–12.6

–12.7

–0.4

% of sales

–3.2

–3.3

Investments in property, plant and equipment & intangible assets

EUR million

9.4

7.5

26.6

Depreciation, amortisation & impairment

EUR million

12.1

12.2

–0.8

Total assets

EUR million

491.1

476.9

3.0

Non-current assets

EUR million

198.8

203.0

–2.0

Net liquidity/(net debt)1

EUR million

11.9

–12.6

n/a

Shareholders’ equity

EUR million

276.0

244.5

12.9

% of total assets

56.2

51.3

Number of employees4

Ø full-time equivalents

3,640

3,611

0.8

Market closing price registered share A

CHF

62.40

67.00

–6.9

Registered shares A (CHF 0.05 par value)

Units

9,268,200

9,268,200

-

Own shares

Ø Units

122,259

118,658

3.0

Registered shares B (not listed; CHF 0.01 par value)

Units

9,900,000

9,900,000

-

Non-diluted net profit per registered share A3

EUR

2.10

2.06

1.7

Shareholders’ equity per registered share A3

EUR

24.0

21.2

13.5

1For further information, please refer to: Alternative performance measures.

2In 2026, the one-off effects consist of EUR 5.5 million related to the introduction of a divisional organisation in Europe. There were no one-off effects in the 1st half-year of 2025.

3Excluding minority interests

4Including permanent, temporary and temporary FTEs via agency

Company profile

Zehnder Group provides worldwide 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 2025 financial year, Zehnder Group had about 3600 employees and achieved sales of EUR 761 million. The company is listed on the SIX Swiss Exchange (symbol: ZEHN, ISIN code: CH0276534614). The unlisted registered shares B are held by Graneco AG, which is controlled by the Zehnder families.

Locations

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Further information for investors

Contact

Zehnder Group AG
Investor Relations
Moortalstrasse 1 
5722 Gränichen (Switzerland)

Phone +41 62 855 1521
investor-relations@zehndergroup.com
www.zehndergroup.com

Registered share A

ISIN code

CH0276534614

Valor number

27 653 461

SIX

ZEHN

Bloomberg

ZEHN SW

Reuters

ZEHN S

In accordance with Art. 10 of the Articles of Association, the opting out clause applies.

Registered share B (unlisted)

Valor number

13 312 654

Company calendar

End of business year

31.12.2026

Sales for 2026

15.1.2027

Integrated Annual Report 2026 and Media/Analyst Conference 2027

25.2.2027

Annual General Meeting 2027

8.4.2027

Six-month Report 2027

29.7.2027

This Six-month Report is only available in English. The Management Report is also available in German. The English version is binding.

News is published under www.zehndergroup.com/en/news.

Reports and presentations are published under www.zehndergroup.com/en/investor-relations/reports-and-presentations.

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