What Östberg Group does

Östberg Group AB is a Swedish ventilation-technology manufacturer headquartered in Avesta, Sweden, founded in 1981 on the back of founder Hans Östberg's invention of the circular duct fan in the 1970s. The company designs and produces three core product lines: duct fans (circular, rectangular, wall, roof, radial, and ATEX-certified explosion-proof variants with AC or EC external rotor motors), air handling units under the HERU® brand (energy-recovery units recovering up to 84% of exhaust energy, plus SAU supply air units and TERU crawl-space units), and rotary heat exchangers / energy recovery rotors (Ø300–Ø5000 mm in sorption OM, condensation OT/OC/OK, and hybrid OH variants using 3Å molecular sieve coating). It is one of the largest global manufacturers of energy recovery rotors, with more than 500,000 rotor units delivered into 80+ countries since 2004.

The business model is hardware sales of ventilation equipment to specification-driven buyers across four primary verticals: public and commercial buildings (offices, arenas, hotels), industrial environments (including ATEX hazardous areas), residential (single-family and apartment, including radon control), and marine/cruise lines. Revenue is generated through direct, quote-based B2B sales managed by named regional sales managers — North India, South India, Mumbai, and Dubai for the Middle East — supported by localized country websites in 10+ markets and a multilingual product selector tool (fsp.ostberg.com). Manufacturing is anchored in Sweden (parent AB C.A. Östberg and Suxess ERV AB) and China (Ostberg Kunshan Ventilation Co Ltd), with a regional entity in India (Ostberg India PVT Ltd). The 2014 divestiture of Enventus AB refocused the group on its three core brands — Östberg Fans, Östberg HERU®, and Suxess ERV — and the 2015 launch of in-house Östberg Energy Recovery Wheels consolidated rotor product development in Kunshan, China. Named end-customers span Celebrity Cruises and Disney Magic (marine), Shangri-La, Pullman and Le Meridien (hospitality), Beijing SOHO and Ari Hills (commercial real estate), Taiwan National Convention Center and Suzhou Archives (government), and Volvo, Geely and ABB (industrial), evidencing a diversified, project-led enterprise customer base backed by ISO 9001, ISO 14001, CE, Eurovent AARE, and AHRI certifications.

Name

Östberg Group

Legal name

ÖSTBERG GROUP AB

Website

https://in.ostberg.com

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

251–500 employees

Short description

Östberg Group is a Swedish manufacturer (founded 1981, Avesta) of duct fans, HERU® air handling units, and energy recovery rotors, selling into residential, commercial, industrial, and marine customers across more than 80 countries via direct regional sales teams and wholly-owned subsidiaries in China and India.

Ownership category

akta.pro rank

Product category

Industrial Ventilation Equipment

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Ventilation, Ducting & Air Distribution Equipment (IMAHAKAG)

akta.pro secondary industries

Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline) (IMADANAB), HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB)

Keywords

• Duct fans
• Air handling units
• Energy recovery rotors
• Rotary heat exchangers
• HVAC ventilation equipment

Headquarters

HQ city

Avesta

HQ country

Sweden

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. HVAC Equipment Manufacturing & Sales: Östberg Group designs, manufactures, and sells ventilation products — duct fans, air handling units (AHUs), and energy recovery rotors — to customers in residential, commercial, industrial, and marine sectors worldwide. Revenue is generated through the direct sale of equipment and components.
2. Aftermarket Parts & Accessories: Östberg supplies accessories including filters, noise dampers, duct components, motor protection, sensors, regulators, post-heating kits, fan covers, rotor cleaners, drive equipment, and replacement foils/media. These generate recurring parts revenue from the installed base.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Östberg Group designs, manufactures, and sells ventilation equipment — including duct fans (circular, rectangular, wall, roof, radial, and ATEX-certified explosion-proof models), air handling units such as the HERU energy recovery range (150–108,000 m³/h), and rotary heat exchangers / energy recovery rotors (sorption, condensation, and hybrid types). The portfolio is sold to residential, commercial, industrial, and marine ventilation customers through regional direct-sales managers across 80+ countries.

Product overview

Östberg Group is a Swedish ventilation technology company offering three core product lines: Fans (duct fans with circular/rectangular connections, wall fans, roof fans, radial fans, and ATEX-certified explosion-proof fans), Air Handling Units (including HERU® energy recovery units recovering up to 84% energy, SAU supply air units, and TERU crawl space ventilation units), and Rotary Heat Exchangers/Energy Recovery Rotors (with various foil types including OT/OC/OK condensation rotors, OH hybrid rotors, and OM sorption rotors with 3Å molecular sieve coating). The company is one of the largest energy recovery rotor manufacturers globally, having delivered over 500,000 units to 80+ countries since 2004. Supporting products include drive equipment (Micromax/Varimax controllers), rotor cleaners, casings (CS/OCS/CSD/DS/D), and accessories.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Up to 84% energy recovery efficiency in HERU units
• +5 more outcomes

Named customers22 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• ebm-papst: Global market leader in fans and motors with EC technology platforms that compete with Östberg's AC/EC duct fan range. Broader incumbent across multiple fan applications, not specialized in AHUs or rotors.

Emerging players

• Klingenburg GmbH: German manufacturer specializing in rotary heat exchangers (energy recovery rotors) for AHU integration. Most directly comparable to Östberg's rotary heat exchanger product line and a focused competitor in the rotor segment.

Direct peers

• Swegon Group AB: Swedish ventilation manufacturer producing energy recovery units, AHUs, and air distribution products for indoor climate solutions. Comparable to Östberg's HERU and Suxess ERV product lines in commercial and residential segments.
• Systemair AB: Swedish-listed ventilation manufacturer offering duct fans, AHUs, and energy recovery products across residential, commercial, and industrial segments. Closest direct competitor to Östberg with similar product portfolio, geographic reach, and Swedish origins.
• Greenheck Group: North American manufacturer of commercial and industrial ventilation equipment including fans, AHUs, and energy recovery products. Directly comparable in product categories and end-market focus, and a leading competitor in the US market where Östberg has limited presence.
• Soler & Palau: Spanish ventilation manufacturer offering fans, AHUs, and energy recovery products globally. Comparable product portfolio to Östberg with strong distribution network across Europe, Latin America, and emerging markets.
• FläktGroup: European HVAC and air handling equipment manufacturer supplying AHUs, fans, and energy recovery systems for commercial and industrial buildings. Directly comparable to Östberg in AHU and energy recovery rotor categories, with broader end-market reach.
• Rosenberg Ventilatoren: German manufacturer of axial and centrifugal fans, AHUs, and energy recovery systems for HVAC applications. Closely comparable to Östberg's duct fan and industrial ventilation portfolio, particularly in European industrial markets.
• Maico Elektroapparate-Fabrik: German fan manufacturer producing axial, centrifugal, and duct fans for residential and commercial ventilation. Comparable to Östberg's core duct fan range, particularly in European specification-driven projects.
• Elta Fans: UK-based manufacturer of commercial and industrial fans, including energy recovery ventilation products. Comparable to Östberg in duct fan and AHU offerings, serving specification-driven European and Middle East projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Östberg Group