What OkoFEN does

ÖkoFEN Forschungs- und Entwicklungs Ges.m.b.H. is an Austrian, family-owned manufacturer of wood pellet heating systems, founded in 1987 by Herbert and Stefan Ortner in Niederkappel and headquartered there. The company designs, engineers, and markets the Pellematic family of pellet boilers (10–256 kW), including condensation-technology variants (Pellematic Condens, Condens XL up to 130 kW, Pellematic Maxi Condens), compact and air models, and combined heat-and-power variants (Pellematic Condens_e, myEnergy365). Core engineering IP centers on flameless combustion (ZeroFlame), condensation applied to pellet exhausts (107.3% efficiency), and GreenMode, a patented controller that automatically optimizes operation based on CO2, electricity price, or solar availability. The portfolio has been extended to include the GreenFOX air-to-water heat pump, battery storage with GreenBOX networking, solar thermal collectors (Pellesol Top), buffer and fabric pellet storage (Pellaqua, Flexilo), and the Pelletronic Touch control ecosystem with myPelletronic App.

The company operates no direct-to-consumer sales. Revenue is generated primarily through one-time hardware sales of boilers, heat pumps, accessories, and storage systems to end customers, channeled exclusively via a network of certified heating installers supported through the PartnerNET training and lead-routing portal. Distribution is consolidated through wholly owned regional subsidiaries ÖkoFEN Schweiz GmbH (Menznau), ÖkoFEN Suisse Romande (Châtonnaye), ÖkoFEN Italia Srl (Naturno), and ÖkoFEN Benelux bv (Kuurne), with international third-party distribution partners covering the Americas, Oceania, and Asia. Government incentive programs (Italian Conto Termico, Swiss cantonal subsidies, German BAFA) materially reduce net customer cost and are central to GTM. The customer base is structurally residential-homeowner led (single- and multi-family), with a secondary commercial and municipal segment served through enterprise field sales.

More than 80,000 ÖkoFEN pellet systems are installed globally and the Pellematic line alone has been deployed over 100,000 times; marketing materials cite 6.5 million tonnes of cumulative CO2 savings since 1997. The company's value proposition rests on regulatory-compliant, near-zero particulate emissions, energy-independence positioning, and an integrated single-vendor system architecture covering heat generation, storage, and controls. No public revenue, headcount, or funding disclosure is available; the firm remains privately held under founder family ownership.

Name

OkoFEN

Legal name

ÖkoFEN Forschungs- und Entwicklungs Ges.m.b.H.

Website

https://oekofen.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

11–50 employees

Short description

ÖkoFEN designs and manufactures wood pellet boilers, heat pumps, and hybrid heating systems for residential, commercial, and municipal customers across Europe and select international markets, selling exclusively through certified installer networks and regional subsidiaries.

Ownership category

akta.pro rank

Product category

Pellet Heating Systems

NAICS

Power Boiler and Heat Exchanger Manufacturing (33241), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)

SIC

Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Biomass Heating Systems (Commercial/Institutional Boilers) (EUAAAGAE)

akta.pro secondary industries

Biomass Combustion & Boiler Island Technology (Grates, Fluidized Bed, Burners) (EUAAAGAG), Pellet & Wood Fuel Manufacturing (IMAMABAH), Heat Recovery & Thermal Integration for Biomass Plants (Economizers, ORC, Heat Exchangers) (EUAAAGAL)

Keywords

• Wood pellet boilers
• Renewable heating systems
• Air-to-water heat pumps
• Solar thermal collectors
• Cogeneration systems

Headquarters

HQ city

Saint-baldoph

HQ country

France

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pellet Heating Systems: Sale of pellet boilers and furnaces including condensation technology (Pellematic Condens, Smart XS, Maxi) and traditional technology (Pellematic, Compact, Air, Maxi) models. Revenue generated from one-time hardware sales to customers, with prices varying by power output and features. Systems range from 10kW to 256kW for residential to commercial applications.
2. Heat Pump Systems: Sale of GreenFOX air-to-water heat pumps and hybrid heating solutions combining heat pumps with pellet systems. Growing product category as the company diversifies into heat pump technology alongside core pellet business.
3. Accessories and Components: Pellet storage solutions (Flexilo tanks, outdoor storage), buffer storage tanks (Pellaqua), solar collectors (Pellesol Top), and energy management systems (Pelletronic Touch, Smart PV). Complementary products that enhance system performance and are sold alongside main heating systems.
4. Cogeneration Systems: Combined heat and power systems (Condens_e, myEnergy365) that generate both electricity and heat from pellets, targeting customers seeking energy independence.
5. Professional Services: Installation, maintenance, and service support provided through the network of certified partner installers. While installation is conducted by partners, ÖkoFEN provides technical support, training (PartnerNET), and warranty services.

Go-to-market motion3 records

Distribution channels3 records

Marketing channels7 records

Core offering

ÖkoFEN manufactures and sells wood pellet boilers (Pellematic series) ranging from 10 kW residential units to 256 kW commercial systems, along with air-to-water heat pumps (GreenFOX), battery storage systems, solar thermal collectors, and combined heat and power (cogeneration) systems. The company delivers complete renewable heating solutions featuring proprietary ZeroFlame combustion technology and GreenMode intelligent controls, distributed through a certified installer network across Europe and global markets.

Product overview

OkoFEN is a comprehensive renewable heating solutions provider offering pellet boilers (Pellematic series: Condens, Smart XS, Maxi, Condens XL, standard, Compact, Air, Maxi HWT, Condens_e), air-to-water heat pumps (GreenFOX), battery storage systems (with GreenBOX technology), and hybrid heating solutions. The product portfolio includes complete pellet storage solutions (Flexilo fabric tanks, Flexilo Compact, Flexilo Outdoor, manual containers, masonry storage rooms), buffer storage (Pellaqua, Smartlink), solar thermal collectors (Pellesol Top), energy management systems (Pelletronic Touch, myPelletronic App, Smart PV, Smart Home), and specialized technologies (ZeroFlame flame-less combustion, GreenMode intelligent optimization). Products span residential (10-32 kW), commercial (36-256 kW), and large-scale (100-520 kW) applications with complete accessories including external heating centers (EnergyBox) and outdoor heating (Pellevita). The system integrates pellet heating with solar and heat pump technologies for hybrid solutions, with all products managed through the Pelletronic Touch control system and mobile app.

Differentiator

Problem solved

Functional benefit

Products and services

• Pellematic Condens Pellet condensing boiler available in 9 power sizes (10-32 kW) featuring innovative condensation technology with up to 107.3% efficiency rating, designed for residential applications seeking maximum efficiency.
• Pellematic Smart XS Ultra-compact pellet condensing boiler occupying only 1 m² of floor space, available in 5 power sizes (10-18 kW) with integrated 335L buffer and heating circuit group for residential properties with space constraints.
• Pellematic Maxi Condens Large-capacity pellet condensing boiler with power up to 256 kW, featuring higher efficiency through condensing technology for commercial, municipal, and large-scale applications.
• Pellematic Condens XL Extra-large condensing pellet boiler (100-130 kW) delivering 15% higher efficiency for commercial and large-scale installations.
• Pellematic Original pellet boiler line with over 100,000 installations globally, available in multiple power sizes (10-32 kW) using proven traditional technology for residential heating.
• Pellematic Compact Space-saving pellet boiler occupying only 0.5 m² of floor space, designed for very small boiler rooms, available in 10-32 kW range using traditional technology.
• Pellematic Air Innovative hot air pellet furnace (30-60 kW) requiring no water-based heating circuit installation, suitable for direct air heating applications such as workshops and industrial spaces.
• Pellematic Maxi HWT Large-scale pellet boiler for high-capacity heating requirements (36-224 kW) with variable heating output using traditional technology, designed to fit through standard doors for retrofit applications.
• Pellematic Condens_e Cogenerating pellet boiler that produces both heat and electricity simultaneously, providing greater independence from energy suppliers through combined heat and power generation.
• myEnergy365 Electricity-generating pellet heating system providing 100% ecological heat and self-produced electricity from pellets and solar energy year-round for energy-independent residential and commercial properties.
• GreenFOX Air-to-Water Heat Pump Air-to-water heat pump manufactured in Austria, available in 9/14 and 13/18 kW variants with GreenMode intelligent control for year-round low-CO2 operation across residential and hybrid applications.
• Battery Storage System Complete battery storage system featuring Austrian-made electronics hardware, heat-intelligent control software, blackout and black start capability, enabling energy independence and integration with ÖkoFEN heating systems.

Quantifiable outcome

• 107.3% efficiency achieved with Pellematic Condens condensation technology
• +5 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Windhager: Austrian heating technology specialist offering pellet, wood chip, and oil/gas boilers for residential and commercial applications. Competes head-to-head with ÖkoFEN in DACH markets via heating installer networks with overlapping product positioning in efficient biomass combustion.
• ETA Heiztechnik: Austrian manufacturer of wood heating boilers (pellet, wood chip, log) up to 200 kW, serving residential and commercial markets across Europe. Direct competitor in the same product category with comparable technology and installer-driven distribution model.
• Hargassner: Austrian family-owned manufacturer of pellet, wood chip, and log heating systems. Closely comparable to ÖkoFEN in technology focus (condensing pellet boilers), European distribution model via heating installers, and premium positioning in residential and light commercial biomass heating.
• KWB (Kraft und Wärme aus Biomasse): Austrian manufacturer of biomass heating systems (pellet, wood chip, log) ranging from 2.4 to 300 kW, serving residential, commercial, and municipal customers. Directly comparable to ÖkoFEN in the European pellet/biomass boiler segment with parallel technology and partner-based distribution.
• Froling: Austrian-headquartered manufacturer of biomass and wood pellet boilers for residential and commercial applications. Direct competitor to ÖkoFEN in the European pellet heating market with similar product range (pellet, log, and chip boilers), overlapping customer base of installers, and analogous go-to-market via specialist dealers.
• Herz (Valentin): Austrian manufacturer of biomass heating systems (pellet, wood chip, log) and heating technology. Directly comparable in target market (DACH region), product category (pellet boilers for residential and commercial), and go-to-market via specialist heating installers.

Broad incumbents

• Viessmann: German family-owned global leader in heating, industrial, and refrigeration systems. Offers pellet boilers (Vitoligno series) as part of a broad portfolio including heat pumps, gas, and hybrid systems. Significantly larger and more diversified than ÖkoFEN, competing primarily via scale, brand, and cross-product bundling.
• Bosch Thermotechnology: Division of Bosch offering heating and hot water solutions including biomass/pellet boilers alongside gas, oil, and heat pump systems. Competes with ÖkoFEN in European residential/commercial markets with the advantages of global brand, R&D scale, and a broad installer network.
• Daikin Europe: Global HVAC giant with a growing European heat pump portfolio. Indirect but increasingly relevant peer as Daikin's Altherma heat pump line targets the same residential heating replacement market ÖkoFEN serves with pellet boilers, and competes for installer mindshare and subsidy-driven demand.
• NIBE Energy Systems: Swedish-listed leader in heat pumps and heating solutions for residential and commercial buildings. Adjacent competitor to ÖkoFEN's emerging heat pump business (GreenFOX) and an indirect threat to its pellet core as the market pivots toward electrification. Significantly larger capitalization and R&D budget.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/oekofen

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about OkoFEN