GRETh - Heat Exchanger Research Group

Name

GRETh - Heat Exchanger Research Group

Legal name

Groupement pour la Recherche sur les Échangeurs Thermiques - GRETh

Website

https://greth.fr

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Le Bourget du Lac

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Membership Fees: GRETh operates as a membership-based association with companies and institutions paying annual fees to join. The membership provides access to the network of over 140 members (manufacturers, engineering firms, R&D departments, testing facilities), technical documentation, software tools, training programs, and participation in association activities.
2. Professional Training Programs: The organization delivers training courses on heat exchangers including the FET (Formation Échangeurs Thermiques) program covering technology and sizing, custom training (FSM), and online courses. Training fees are charged per participant.
3. EchTherm Software Licensing: The EchTherm heat exchanger sizing software is made available to members. The software licensing contributes to association revenue.
4. Technical Events and Conferences: Annual Technical Days (Journées Techniques) generate revenue through registration fees. The 2026 edition charges registration fees with different rates for members and non-members, including access to sessions, meals, and networking dinners.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

GRETh operates as a French research association that federates industrialists, engineering firms, R&D departments, and testing laboratories in the heat exchanger and thermal systems sector. It provides the proprietary EchTherm sizing software, comprehensive technical documentation (Wikitherm encyclopedia, e-books, reports, patents database, thesis repository), professional training programs (FET, FSM, online courses), a high-power testing platform, and annual Technical Days conferences to its 141 member organizations.

Product overview

GRETh operates as a research association offering a comprehensive suite of products and services for heat exchanger technology. The core product is EchTherm, a heat exchanger sizing software used for thermal design calculations. Supporting this are knowledge resources including Wikitherm (encyclopedia), Technical Reports, Patents Database, Thesis Repository, and e-Book publications. The organization provides professional training through FET (Formation Échangeurs Thermiques), FSM (custom training), and online courses. GRETh also offers high-power testing facilities and organizes annual technical conferences (Journées Techniques) for knowledge sharing among its member network of over 140 industrial companies.

Differentiator

Problem solved

Functional benefit

Brands

• EchTherm: Heat exchanger design and sizing software tool developed by GRETh for thermal calculations.
• Wikitherm
• Formation Échangeurs Thermiques (FET)
• Formation sur mesure (FSM)
• Formation en ligne (FEL)

Products and services

• EchTherm Software Heat exchanger sizing software providing calculation tools for thermal design and engineering of heat exchangers, supporting plate, shell-and-tube, and brazed plate heat exchanger technologies. Made available to GRETh members for thermal performance calculations.
• Wikitherm Technical Encyclopedia Online encyclopedia and knowledge base dedicated to heat exchanger technology and thermal engineering, covering fouling, thermal recovery, and related topics for GRETh members.
• Formation Échangeurs Thermiques (FET) Professional training course on heat exchangers covering technology, sizing, and design principles. QUALIOPI-certified training program delivered to industry professionals and engineering practitioners.
• Formation sur mesure (FSM) Customized training programs tailored to specific client needs in heat exchanger technology, delivered on-demand for organizations requiring specialized instruction for their teams.
• Formation en ligne (Online Training) Online training courses for heat exchanger technology and thermal engineering, providing remote learning options for industry professionals.
• High Power Test Platform High-power testing facility for heat exchanger performance validation and characterization, hosted at CERG facilities in Le Pont de Claix (near Grenoble), evaluating thermal equipment performance for member organizations.
• Journées Techniques (Annual Technical Conference) Annual technical conference (Journées Techniques) bringing together industry professionals to discuss heat exchangers and thermal systems, featuring expert presentations, poster sessions, exhibitions, and networking dinners held in Aix-les-Bains.
• Technical Reports Technical reports published by GRETh covering heat exchanger research, case studies, and comparative analyses, made available to member organizations.
• e-Book Publications Electronic publications covering comprehensive technical documentation on heat exchangers (5-volume series), available to members as part of the GRETh documentation library.
• Patents Database Database of patents related to heat exchanger technology, available to members as a research and reference resource.
• Thesis Repository Repository of doctoral theses on heat exchanger and thermal engineering topics, providing academic research resources to member organizations.

Named customers12 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

Feature3 records

Partnerships

Five partnerships are on record, tiered minor and core.

• SOGECLAIRminorStrategic or Co-development Partner · 14 April 2024Aerospace solutions company presenting on additively manufactured heat exchangers and thermofluidic performance of OSF exchangers at GRETh Technical Days. Collaboration on metal additive manufacturing for heat exchangers.
• CERG (Centre d'Essais et de Recherche Génie Climatique)coreStrategic or Co-development Partner · 9 April 2020Partnership between GRETh (expert in thermal science) and CERG (expert in fluid mechanics) to address heat exchanger testing requests. GRETh's test platform is hosted at CERG facilities in Le Pont de Claix (near Grenoble). Joint technical days and training events are organized to combine expertise in heat exchangers and thermo-hydraulic testing capabilities.
• Von Karman InstituteminorStrategic or Co-development PartnerAcademic research institution specializing in fluid dynamics and thermal sciences. Collaboration on heat exchanger research, lecture series on thermal topics, and academic exchange. GRETh member since 2022.
• CEA (Commissariat à l'énergie atomique et aux énergies alternatives)coreStrategic or Co-development PartnerFrench Alternative Energies and Atomic Energy Commission. Long-standing research partner with multiple CEA departments (STCP, DTCH, LITEN) participating in GRETh activities. Contributions to technical reports, presentations at Technical Days, and research collaboration.
• KCI PublishingminorGTM or Marketing PartnerOrganizer of Heat Exchanger World Europe trade show. GRETh supported the HEW2026 event held in Rotterdam in May 2026. Relationship for industry visibility and member networking.

Scale indicators5 records

Direct peers

• CETIM (Centre Technique des Industries Mécaniques): French technical center providing mechanical-industry testing, R&D, and engineering services — also a new GRETh member (March 2026); comparable in offering applied testing platforms and technical expertise to industrial clients.
• BHR Group: UK-based process engineering research organization offering fluid/mixing/heat transfer testing and consulting to industrial members — similar membership-based research association model serving comparable industrial process-engineering customers.
• Von Karman Institute for Fluid Dynamics: Belgian research institute specialized in fluid dynamics and thermal sciences — a documented GRETh partner (member since 2022) running lecture series on heat exchangers; comparable as a specialized research/training provider in thermal engineering.
• Société Française de Thermique (SFT): French scientific association promoting thermal science, organizing the SFT Congress where GRETh also participates; comparable membership-based academic/industry community structure serving overlapping French thermal-engineering audience.
• HTRI (Heat Transfer Research, Inc.): US-based research consortium offering proprietary heat exchanger simulation software (Xchanger Suite) and testing services to industrial members — directly analogous to GRETh's EchTherm + testing platform model in the same product category.

Emerging players

• Aspen Technology: Provider of process simulation suites (Aspen HYSYS, EDR) with embedded heat exchanger design modules; an emerging software competitor whose bundled simulation could erode EchTherm's standalone value proposition over time.

Broad incumbents

• Kelvion: Major global heat exchanger manufacturer across shell-and-tube, plate, and brazed technologies; a broad incumbent that operates in the same product category and whose customers overlap with GRETh's industrial membership base.
• Alfa Laval: Global heat exchanger manufacturer and broader thermal solutions provider; relevant as a large industry incumbent whose engineering teams are potential GRETh members and whose commercial offerings compete for the same industrial buyer mindshare.
• API Heat Transfer: Large industrial heat exchanger manufacturer serving chemical, petrochemical, and power markets — comparable to several GRETh member companies and reflective of the broader industry ecosystem GRETh serves.

Regional players

• ICHMT (International Centre for Heat and Mass Transfer): International scientific organization coordinating heat and mass transfer research and conferences; comparable international counterpart to GRETh's community-building and conference-organizing role, but operating at a different geographic scope.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/grethfr
• YouTubeyoutube.com/channel/UCF04Atrc2TZq49PafD31LGg
• Facebookfacebook.com/grethfr
• LinkedInlinkedin.com/company/greth

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 GRETh - Heat Exchanger Research Group