The waste heat recovery industry focuses on developing energy-efficient technologies and solutions to convert waste heat, generated in various industrial processes, into useful energy. These companies, like Howden, Turboden, and DRI Rotors, offer innovative solutions such as air preheaters, ORC systems, and recovery wheels to help businesses save energy, reduce operational costs, and decrease their environmental impact. As industries are becoming more conscious of their carbon footprint due to increasing environmental concerns, the demand for waste heat recovery solutions is expected to grow significantly in the future.


Top 27 Waste Heat Recovery Companies

1. Howden

  • Website: howden.com
  • Headquarters: Renfrew, Lanarkshire, United Kingdom
  • Founded: 1854
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

Howden is a company that specializes in providing air preheaters to increase the efficiency of boilers and furnaces. They offer a range of pre-engineered and bespoke solutions to transfer waste heat from exhaust gas to combustion air. Their services include ROI calculations and comparison tools for different APH technologies.


2. Desiccant Rotors International

DRI Rotors is a company that specializes in providing energy recovery solutions for various industries. Their products include high temperature recovery wheels, ship/marine recovery wheels, fire retardant pads, and more. With a focus on engineering and customization, they offer both standard and custom-manufactured options for their customers.


3. Turboden S.p.A.

Turboden is a global leader in the design, manufacture, and maintenance of Organic Rankine Cycle (ORC) systems. They offer sustainable solutions for distributed generation, utilizing multiple sources such as renewables, waste heat, and traditional fuels. Their products include ORC systems, large heat pumps, and gas expanders.


4. Cannon Bono Energia

Cannon Bono Energia is an industrial boiler company that specializes in designing and manufacturing energy-efficient boilers. They offer a range of products including steam generators, thermal oil heaters, heat recovery boilers, superheated water boilers, electric boilers, and biomass boilers. Their services include revamping existing boilers to incorporate the latest technological developments and providing after-sales support to ensure the longevity of their products. With a focus on energy savings and environmental impact, Cannon Bono Energia caters to various industries including district heating and industrial processes applications.


5. BERTSCHenergy

  • Website: bertsch.at
  • Headquarters: Bludenz, Vorarlberg, Austria
  • Founded: 1925
  • Headcount: 201-500
  • LinkedIn

Bertsch Service GmbH is a company that specializes in providing process apparatus and heat recovery solutions. They offer services such as plant maintenance, thermal processing, and quality assurance. With a focus on sustainability and efficiency, Bertsch Service GmbH offers comprehensive solutions for various industries including cement, steel, and chemical. They have a team of experienced experts who provide worldwide customer support.


6. Lab

  • Website: lab.fr
  • Headquarters: Lyon, Rhone-Alpes, France
  • Founded: 1953
  • Headcount: 51-200
  • LinkedIn

LAB is a company specialized in the treatment of fumes and offers personalized technical solutions for energy recovery. They provide various systems for desulfurization, emission control, and heat recovery. LAB's expertise lies in the valorization of biomass installations, municipal and industrial waste, thermal power plants, and sewage sludge.


7. Exergy ORC

EXERGY is an innovative organic rankine cycle company specializing in heat recovery from power stations and industrial processes. They offer sustainable and efficient power generation solutions using their Radial Outflow Turbine technology.


8. Byworth Boilers Limited

  • Website: byworth.co.uk
  • Headquarters: Keighley, West Yorkshire, United Kingdom
  • Founded: 1968
  • Headcount: 51-200
  • LinkedIn

Byworth is a UK-based company specializing in the design and manufacture of steam and hot water boilers. They offer a range of products including vertical steam boilers, waste heat recovery boilers, and boiler control systems. With a focus on energy efficiency and reducing carbon footprints, Byworth provides solutions for various industries such as healthcare, pharmaceutical, and food processing. They also offer training and boiler hire services.


9. Climeon

  • Website: climeon.com
  • Headquarters: Stockholm, Stockholm County, Sweden
  • Founded: 2011
  • Headcount: 51-200
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Climeon is a clean energy company that offers HeatPower systems to repurpose low-temp waste heat and generate green electricity. Their solutions help companies reduce CO2 emissions, achieve sustainability goals, and transition to a net-zero future.


10. Green Cooling

Green Cooling is a market-leading provider of eco-efficient commercial refrigeration equipment. They offer advanced technology and outstanding customer service to ensure energy-efficient systems that safeguard the environment. They specialize in three areas: refrigerated storage, high-efficiency cooling systems utilizing CO2, and cooling systems with heat recovery.


11. Arctic Circle Ltd

Arctic Circle is a company that specializes in the design and manufacture of heat transfer technology for refrigeration, heat pump, and waste heat recovery applications.


12. Ulmatec Pyro As

  • Website: pyro.no
  • Headquarters: Gamlem, Søvik, Norway
  • Founded: 1951
  • Headcount: 11-50
  • LinkedIn

Ulmatec Pyro is a market-leading provider of energy-efficient heating solutions to the maritime industry. With over 70 years of experience, the company offers a range of products including fuel-fired heaters, electrical heaters, exhaust gas economizers, and waste energy recovery systems. Their intelligent systems regulate themselves automatically, ensuring optimal performance even in extreme climates. Ulmatec Pyro's products are known for their quality, reliability, and ability to save fuel and limit emissions.


13. GT Energy s.r.o.

GT Energy specializes in installation and maintenance of heat pumps for commercial, public and residential buildings. They offer energy consulting, education, and installation services for gas and water-source heat pumps, micro-cogeneration units and recovery systems.


14. Green Matters Technologies

  • Website: greenmattersinc.com
  • Headquarters: Langley, British Columbia, Canada
  • Founded: 2011
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

Green Matters Technologies Inc. creates environmentally sustainable products in the HVAC marketplace. They offer proprietary heat recovery systems that capture and transfer waste heat to provide an endless supply of hot water for hotels, hospitals, sports arenas or high-rise buildings. Their CE-K500 system provides huge reductions in global emissions and significant savings in energy costs.


15. Combustion & Energy Systems Ltd.

Combustion & Energy Systems Ltd specializes in designing and manufacturing heat recovery and energy efficiency systems. They offer ConDex Condensing Economizer Systems that assist in water recovery and recycling, and help in reducing CO2 and NOx emissions.


16. Magnoric

  • Website: magnoric.com
  • Headquarters: Duppigheim, Alsace, France
  • Founded: 2019
  • Headcount: 11-50
  • Latest funding type: Seed
  • LinkedIn

Magnoric is a technology-driven company that pioneers magnetic cooling and energy solutions. Their highly energy-efficient devices operate without refrigerant gas and significantly reduce the impact on global warming. Magnoric develops cutting-edge units based on magnetocaloric materials to efficiently exploit low-temperature waste heat sources and turn them into clean electricity.


17. EMB3Rs

  • Website: emb3rs.eu
  • Headquarters: Porto, Porto, Portugal
  • Founded: 2019
  • Headcount: 11-50
  • LinkedIn

EMB3Rs is a European platform designed to optimise the utilisation of heat and cooling waste streams generated by industrial processes by matching excess energy with energy demand in near real-time.


18. Oschatz Energy and Environment GmbH

  • Website: oschatz.com
  • Headquarters: Essen, Nordrhein-Westfalen, Germany
  • Founded: 1849
  • Headcount: 501-1000
  • LinkedIn

Oschatz.com offers a wide range of customized solutions for various industries, specializing in combustion technologies, energy recovery, and waste utilization. They provide industrial services including emergency services, manufacturing of technological systems, and repair and replacement of parts. As a member of the Deurotech Group, they collaborate with other companies to offer integrated solutions in surface coating, impregnation, and environmental technologies.


19. Fedene

  • Website: fedene.fr
  • Headquarters: Paris, Ile-De-France, France
  • Founded: 1991
  • Headcount: 11-50
  • LinkedIn

Fedene.fr is the website of Fédération des services énergie environnement, a federation dedicated to energy and environmental services. The website provides information about their missions, organization, and members. They focus on renewable energies, energy efficiency, facility management, heat and cold networks, waste energy recovery, and safety practices.


20. Rotamill GmbH

  • Website: rotamill.de
  • Headquarters: Siegen, Nordrhein-Westfalen, Germany
  • Founded: 1974
  • Headcount: 11-50
  • LinkedIn

ROTAMILL GmbH is an engineering company specializing in the development and manufacturing of process engineering plants. They offer a wide range of services including thermal air purification systems, solvent recovery, cryocondensation, and MSR technology. With over 40 years of experience, ROTAMILL provides efficient and innovative solutions tailored to meet their customers' specific requirements. Their mission is to enhance productivity and promote sustainability in industrial processes.


21. Biofluides

  • Website: biofluides.com
  • Headquarters: Saint-Fargeau-Ponthierry, Ile-De-France, France
  • Founded: 2006
  • Headcount: 11-50
  • Latest funding type: Seed
  • LinkedIn

Biofluides is a company that specializes in wastewater treatment and energy efficiency in buildings, offering solutions for hot water and heating through its innovative ERS® and BIOTRIONIC® technologies and services.


22. Asfi

ASFI is an industrial automation company that specializes in improving energy efficiency in manufacturing plants, industrial installations, and large facilities. They provide customized solutions and offer services such as automation, construction of large installations, and industrial installations. Their experienced team of engineers and designers ensures accuracy and quality in their projects. ASFI stands out for its expertise in energy efficiency and its commitment to meeting the specific needs of each client.


23. So WHAT - Project

SoWhat Project is a European Union funded research and innovation programme that aims to develop and validate an integrated software for auditing industrial processes and planning and simulating waste heat and cold valorisation systems towards economically viable scenarios. It consists of a consortium of 20 partners from 9 different European countries.


24. i-TES srl

  • Website: i-tes.eu
  • Headquarters: Torino, Piemonte, Italy
  • Founded: 2016
  • Headcount: 1-10
  • Latest funding type: Seed
  • LinkedIn

i-TES is a Start Up Company that develops innovative thermal storage solutions using phase-change materials (PCM) and offers advanced energy services and energy efficiency measures mainly based on performance-based contracts as an ESCO provider. Our FIRST TARGET is to become one of the first italian reference regarding thermal storage and thermal management using PCM. i-TES Core Business is PCMs related but, thanks to internal competence, it is part of a wider proposal that is aligned to the Energy Efficiency and Energy Management Best Practice. About Phase Change Materials, several are the applications where could be used. For example: - Buildings, as passive cooling - Thermal Solar application, to increase capacity and to avoid overheating - Air Conditioning, as load shifting night/day - Heat Pumps, to increase efficiency - CHP, to increase the thermal usage - Waste Heat Recovery, to be reused as is or to produce power with ORC - Automotive (e-car), battery management improvement and power reduction for A/C load - Demand Side Management and Micro Grid enhancement - Every field in which thermal energy is used could be a potential application of PCM


25. Koconsult

KOCONSULT - Energieeffizienzberatung - Energieberatung - Energiesparkonzepte, Heizungsoptimierung für Industrie, Unternehmen, Privathaushalte, KfW Förderung, Friedemann Konzelmann, Albstadt, Balingen, Tübingen, Reutlingen, Stuttgart


26. Adven

  • Website: adven.com
  • Headquarters: Vantaa, Finland, Finland
  • Founded: 2012
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Adven is an energy partner that provides heating and cooling solutions to industrial sites across Northern Europe. They build partnerships that bring value to their customers, society, and themselves.


27. Nooter Construction Company

  • Website: cicgroup.com
  • Headquarters: St. Louis, Missouri, United States
  • Founded: 1896
  • Headcount: 501-1000
  • LinkedIn

CIC Group is a holding company with a 125-year legacy of innovation in the energy sector worldwide. They provide end-to-end aftermarket services and solutions to help their clients succeed. With a focus on refractory services, energy efficiency, water treatment, and turnkey construction, CIC Group ensures operational readiness and success for their business units.


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