ennox biogas technology

What ennox biogas technology does

ennox biogas technology GmbH is a privately held Austrian manufacturer of stainless steel gas-technical equipment, headquartered in Hard on Lake Constance. The company develops, plans, and produces equipment for the complete biogas processing chain — from digester-level extraction to gas treatment, gas storage, and final combustion in flares. Its four product categories comprise: (1) Digester Equipment (gas domes, foam traps with light-curtain detection, inspection windows, manholes, spraying units); (2) Gas Treatment (active carbon filters for H2S/siloxane removal, ceramic fine filters, gravel filters, condensate pots and accumulators, sediment traps, gas chill dryers); (3) Gas Storage (double-membrane gasholders up to ~5,000 m³, zero-pressure low-pressure gasholders from 10–7,500 m³, radial ATEX Zone 1 pressure increase blowers up to 2,000 m³/h); and (4) Gas Flares (automatic NOXmatic/NANO units from 100 kW to 20 MW, the NOXtreme high-temperature 1,000–1,200 °C flare, the biomethane NOXmatic BM flare for >95% methane, ECO manual flares for small agricultural plants, and CDM/JI-configured flares with measurement and logging for Kyoto Protocol projects). All fabrication is performed in-house from 1.4571 stainless steel with proprietary 3D planning, and products carry ATEX, DVGW, and TÜV certifications with TA Luft emissions compliance.

The company's business model rests on two intertwined revenue streams: one-time equipment sales (flares, gas holders, treatment trains, digester accessories) and professional engineering/planning services covering the complete design and layout of gas recovery, treatment, and processing systems, plus ongoing inspection and maintenance. Sales are project-based and channel-supported: direct sales originate from the Austrian headquarters and are augmented by a network of exclusive regional representation partners covering Australia/New Zealand (FinnBiogas), Turkey (EAY Mühendislik), Bulgaria (Belfrie), Scandinavia (Suomi Biogas Systems AB), the UK (ennox UK Ltd.), Benelux (Gascon Engineering B.V.), and Slovakia/Czech Republic (Revivo Gas). Customer segments span agricultural biogas plants, municipal wastewater treatment facilities, municipal landfills (a segment in which the company describes itself as a globally acting market leader), biomethane/RNG producers, and industrial gas applications including breweries, paper factories, chemical plants, and biomass pyrolysis/gasification facilities.

The company operates with a deliberately small core team (four named members including Managing Director Falk Russow), distributing globally through partner-led regional sales rather than direct international staffing. No parent company, institutional investors, or outside equity backing is disclosed; ownership appears founder/management-controlled. Pricing is not publicly disclosed, offers are non-binding unless firm-forward prices are agreed, invoices are payable within 14 days net, and prices are quoted ex-works. There is no public listing, ticker, or stock exchange information, and no funding rounds or M&A activity are disclosed. The company maintains an active multilingual (German/English) website, Facebook, and XING profiles, with marketing emphasis on engineering credibility and complete-system competence rather than broad digital campaigns.

Name

ennox biogas technology

Legal name

ennox biogas technology GmbH

Website

https://ennox.at

Company type

Private

Operating status

Operating

Short description

ennox biogas technology GmbH manufactures stainless steel gas-technical equipment — including flares, gas holders, treatment filters, and digester components — for biogas plants, wastewater facilities, landfills, and industrial gas applications worldwide, complemented by engineering and planning services.

Ownership category

akta.pro rank

Headquarters

HQ city

Hard

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Biogas Equipment Sales: Sale of gas technical equipment including flares, gas storage, gas treatment components, and digester equipment. Equipment sales complemented by planning and engineering services.
2. Engineering and Planning Services: Complete planning and design (komplette Planung und Auslegung) of entire gas recovery, treatment and processing systems. Includes project-specific customization and ongoing inspection and maintenance services.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

ennox biogas technology manufactures and sells stainless-steel gas-handling equipment — digester fittings, gas cleaning components, gas storage systems and gas flares — together with complete planning, design, inspection and maintenance services for the entire gas recovery, treatment and processing chain of biogas, sewage and landfill gas facilities. Products are engineered and built in-house in Hard, Austria and sold worldwide through direct sales and a network of exclusive regional representation partners to operators of agricultural biogas plants, municipal wastewater plants, landfills, breweries, paper factories and chemical plants.

Product overview

Ennox biogas technology is a manufacturer of industrial biogas equipment offering a four-category modular product portfolio: (1) Digester Equipment — components for biogas extraction including gas domes (GAD), foam traps (FDS), inspection windows (IW), manholes (MHR/MHL/MHL 2), and spraying units (PSD); (2) Gas Treatment — purification equipment including active carbon filters (carboNOX), ceramic fine filters (CFP), gravel filters (GFR), condensate pots (COP), condensate accumulators (COA), sediment traps (SET), and gas chill dryers (GCD); (3) Gas Storage — pressureless and double-membrane gas holders (NOXstore, NOXstore DM) and pressure increase blowers (RAV); and (4) Gas Flares — automatic flares (NOXmatic/NOXmatic NANO), manual flares (ECO), biomethane flares (NOXmatic BM), high-temperature flares (NOXtreme), pyrolysis/syngas/wood gas flares, CDM-configured flares, and complete landfill gas cleaning and incineration systems. The company also offers project planning, engineering, and on-going inspection and maintenance services. Products are manufactured from stainless steel and distributed worldwide from the company's headquarters near Lake Constance, Austria.

Differentiator

Problem solved

Functional benefit

Brands

• NOXmatic: Automatic gas flare system for landfill, biogas, and sewage gas combustion, with capacities from 100kW to 20MW.
• NOXmatic NANO
• NOXmatic BM
• NOXtreme
• NOXmatic / NOXtreme CDM
• ECO
• NOXstore DM
• NOXstore
• RAV
• carboNOX
• GCD
• CFP
• GFR
• COA
• COP
• SET
• GAD
• FDS
• IW
• MHR / MHL / MHL 2
• PSD

Products and services

• NOXmatic / NOXmatic NANO automatic gas flare
• NOXmatic BM biomethane flare
• NOXtreme high-temperature flare
• ECO manual gas flare
• Flares for pyrolysis gas, syngas and wood gas
• NOXmatic / NOXtreme CDM flare system
• Landfill gas cleaning and safe incineration system
• NOXstore DM double-membrane gasholder
• NOXstore low-pressure gasholder
• RAV pressure-increase blower

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• Wirtschaftskammer ÖsterreichminorOthersAustrian Economic Chambers membership. Primary business membership organization for Austrian companies.
• Environmental ExpertminorOthersListed as partner on ennox website. Environmental Expert is a platform connecting environmental technology companies.
• FinnBiogascoreChannel Partner/ Reseller/ DistributorExclusive representation for Australia and New Zealand. Contact: Jasons Hawley, 3/323 Oxley Road, 4075 QLD, Graceville. Email: [email protected]
• EAY Mühendislik Müşavirlik Inşaat Sanayi ve Ticaret Ltd. Şti.coreChannel Partner/ Reseller/ DistributorExclusive representation for Turkey. Contact: Emrah A. YAĞMUR, Beylikbaği Mah. 320/4. Sobak No: 7/3, Gebze-Kocaeli. Tel: +90 (532) 470 5643
• Belfrie ООДcoreChannel Partner/ Reseller/ DistributorExclusive representation for Bulgaria. Contact: Hristo Panayotov, 9 Odrin str., 9000 Varna. Tel: +359 52 603 777
• Suomi Biogas Systems ABcoreChannel Partner/ Reseller/ DistributorExclusive representation for Sweden, Norway, and Finland. Contact: Norrgårdsgatan 9, 686 35 Sunne. Tel: +46 565 477 50
• ennox UK Ltd.coreChannel Partner/ Reseller/ DistributorExclusive representation for United Kingdom. Contact: Tel: +44 (0) 77 022 95 955, Email: [email protected]
• Gascon Engineering B.V.coreChannel Partner/ Reseller/ DistributorExclusive representation for Belgium, Netherlands, and Luxembourg. Contact: Max Planckstraat 4, 6716 BE Ede. Tel: +31 318 625 514
• Revivo Gas s.r.o.coreChannel Partner/ Reseller/ DistributorExclusive representation for Slovakia and Czech Republic. Contact: Miroslav Benka, Bilikova 2, 84101 Bratislava. Tel: +421 907 709 169

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• HoSt Holland Bio Energy: Dutch EPC and equipment supplier for anaerobic digestion and biogas plants, including gas treatment and flare systems. Overlaps with ennox in gas handling for agricultural and industrial AD projects across Europe.
• Haase Energietechnik: German manufacturer of gas flares, gas safety equipment, and gas treatment systems for biogas plants, sewage works, and landfills. Directly competes with ennox across the gas-handling chain with similar ATEX-certified flare product lines.
• Sattler Ceno Membrane Technology: Austrian manufacturer of double-membrane gas holders and biogas storage systems. Direct competitor to ennox's NOXstore and NOXstore DM product lines, with shared customer base across DACH biogas operators.
• EnviTec Biogas AG: German full-scope biogas plant builder and equipment supplier with in-house gas treatment, storage, and flare capabilities. Larger-scale competitor that overlaps with ennox across nearly all gas-handling product categories.
• Nock GmbH: German manufacturer of biogas equipment including gas treatment, gas storage, and gas flares for agricultural and industrial AD plants. Closest German-speaking direct competitor to ennox's specialized gas-handling portfolio.
• WELTEC BIOPOWER: German turnkey biogas plant constructor with internal gas-handling engineering and component supply. Competes with ennox for new-build agricultural and industrial biogas projects in DACH and selected export markets.
• PlanET Biogas Group: German-Canadian manufacturer of complete biogas plants with proprietary gas treatment and storage components. Overlaps with ennox in digester equipment, gas storage, and flares for agricultural and food-waste AD plants.

Broad incumbents

• Atlas Copco (Power & Flow division): Global industrial equipment OEM with strong positions in gas compressors and blowers used in biogas and landfill gas applications. Competes with ennox's RAV blower line and increasingly supplies packaged flare/gas-handling systems via partners.
• Howden (Chart Industries): Global manufacturer of industrial fans, blowers, and compressors serving oil & gas, petrochemical, and biogas customers. Overlaps with ennox's pressure-increase blower and gas-handling equipment for AD and landfill applications.
• John Zink (Koch Industries): Global supplier of combustion and flare systems for oil & gas, petrochemical, and industrial markets. A broad incumbent whose enclosed and elevated flare technology overlaps with ennox's NOXmatic and NOXtreme product lines for industrial and landfill gas.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/ennox-biogas-technology-283511831709323
• LinkedInlinkedin.com/company/ennox-biogas-technology-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 ennox biogas technology