HTRI
HTRI (Heat Transfer Research, Inc.) is a member-based research consortium that develops and licenses the Xchanger Suite thermal process design and simulation software, serving 1,000+ industrial members across 65 countries in oil & gas, refining, petrochemicals, nuclear, food processing, and data center cooling.
- Company typePrivate
- Founded1958
- HeadquartersNavasota, United States
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What HTRI does
HTRI (Heat Transfer Research, Inc.) is a privately held, member-based research consortium and engineering software company founded in 1958 and headquartered in Navasota, Texas. The company develops and licenses Xchanger Suite, a thermal process design and simulation software platform for shell-and-tube, air-cooled, plate, and fired-heater heat exchangers, along with complementary products such as SmartPM (thermo-hydraulic fouling and digital twin simulation), Exchanger Optimizer (with a Greenhouse Gas Emissions Module), XSimOp, and Edgeview. Its methods are grounded in six decades of proprietary experimental data generated at its in-house Research & Technology Center, which underpins the company's heat transfer correlations and CFD capabilities.
The company serves 1,000+ member organizations across 65 countries, concentrated in oil & gas, refining, petrochemicals, nuclear power, food and beverage, and — increasingly — data center cooling. Revenue is generated through a multi-stream model: consortium membership dues, software licensing, paid training courses (US$450–$650 per course) delivered globally through the Heat Transfer Academy, proprietary testing and consulting contracts, technical publications, and annual Global Conference fees. GTM is direct-sales-led and event-driven, anchored by regional Communication Committees, an annual flagship conference, and a worldwide training and webinar program.
HTRI is independently operated under President Hans U. Zettler with no disclosed venture capital, private equity backing, or parent company. Its strategic priorities visible in the input data include expanding the data center vertical, adding sustainability-oriented product features (GHG Emissions Module, CWFU), and deepening recurring revenue from training and digital-twin products.
HTRI firmographics
Firmographics- Name
- HTRI
- Legal name
- Heat Transfer Research, Inc.
- Website
- https://htri.net
- Company type
- Private
- Founded year
- 1958
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- HTRI (Heat Transfer Research, Inc.) is a member-based research consortium that develops and licenses the Xchanger Suite thermal process design and simulation software, serving 1,000+ industrial members across 65 countries in oil & gas, refining, petrochemicals, nuclear, food processing, and data center cooling.
- Ownership category
- akta.pro rank
HTRI industry classification
Industry- Product category
- Thermal Engineering Software & Heat Transfer Research
- NAICS
- Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)
- SIC
- Services-Testing Laboratories (8734), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)
- akta.pro primary industry
- Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)
- akta.pro secondary industry
- HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB)
Keywords
Where HTRI is headquartered
LocationHeadquarters
- HQ city
- Navasota
- HQ country
- United States
- HQ region
- North America
Offices8 records
Markets served
HTRI business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Software Licenses/Subscriptions: Members receive access to Xchanger Suite software, considered the industry's most advanced thermal process design and simulation software. The membership model provides ongoing access to software updates and technical support.
- Training Services: HTRI conducts onsite and regional training around the globe including workshops for Xist, Xfh Ultra, Xvib, Xace, and short courses on condensers, kettle reboilers, vaporizers, and troubleshooting. Course fees range from US$450-$650 per course with PDH/CEU credits.
- Proprietary Contracts: Custom testing, consulting, and software solutions for addressing diverse heat exchanger problems. Includes proprietary testing, computational fluid dynamics, and fouling services.
- Technical Publications: Revenue from research reports, guidebooks, design manuals, and other publications on heat transfer topics.
- Conference & Event Fees: Revenue from annual Global Conference and Industry Exhibition, including sponsorship options and exhibition booth fees.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | Xist Workshop - Online |
| One time/ perpetual license | Pay-as-you-go | Xfh Ultra Workshop - Online |
| One time/ perpetual license | Pay-as-you-go | Condensers Short Course - In-person Europe |
| Subscription | Annual | Early Registration Discount |
Go-to-market motion2 records
Distribution channels6 records
Marketing channels10 records
HTRI product offering
Product offeringCore offering
HTRI is a member-based research consortium that develops and licenses the Xchanger Suite, the industry's most advanced thermal process design and simulation software for heat exchangers. The company sells software licenses (Xchanger Suite, Xfh Ultra, SmartPM, Exchanger Optimizer, XSimOp, Edgeview), delivers paid training through the Heat Transfer Academy, and provides custom testing, CFD, and consulting services from its Research & Technology Center in Navasota, Texas.
Product overview
HTRI (Heat Transfer Research, Inc.) offers a comprehensive portfolio of thermal process design and simulation software centered around Xchanger Suite, the industry's most advanced heat exchanger design platform. Xchanger Suite includes multiple integrated components: Xist for shell-and-tube exchanger geometries, Xvib for flow-induced vibration analysis, Xace for air-cooled heat exchangers, Xphe for plate-and-frame heat exchangers, and Xfh/Xfh Ultra for fired heater modeling. Additional products include SmartPM for digital twin simulation of shell-and-tube networks focused on fouling management, Exchanger Optimizer for heat exchanger optimization with greenhouse gas emissions tracking, XSimOp for shell-and-tube operations, and Edgeview for monitoring. HTRI also provides training services through the Heat Transfer Academy, proprietary testing services, CFD analysis, fouling services, and research into specialized technologies like Vapor Infusion. The company serves over 1,000 members across 65 countries with a focus on the energy, refining, and chemical processing industries.
Differentiator
Problem solved
Functional benefit
Brands
- Xchanger Suite: Industry's most advanced thermal process design and simulation software suite for heat exchangers
- Xfh Ultra
- SmartPM
- Exchanger Optimizer
- XSimOp
- Edgeview
- Research & Technology Center (RTC)
- Heat Transfer Academy
Products and services
- Xchanger Suite HTRI's flagship thermal process design and simulation software for heat exchangers, including integrated components: Xist (shell-and-tube exchangers), Xvib (vibration analysis), Xace (air-cooled heat exchangers), Xphe (plate-and-frame heat exchangers), and Xfh/Xfh Ultra (fired heaters). Sold to industrial member companies and used by engineers worldwide for daily operating benefits.
- Xfh Ultra Software for modeling the performance of process fired heaters using API 560 Specification Sheets to develop complete fired heater models and rate heater performance. Sold to engineers in refining and petrochemical member companies.
- HTRI SmartPM Digital twin technology for thermo-hydraulic shell-and-tube network simulation. Manages refinery fouling, predicts performance, supports energy efficiency improvement and emissions reduction, and enables predictive and preventive maintenance.
- Exchanger Optimizer Heat exchanger optimization software that includes a Greenhouse Gas Emissions Module to help enhance energy efficiency and reduce emissions. Sold to member companies as a standalone optimization tool.
- XSimOp Software tool for shell-and-tube heat exchanger simulation and operations support, used by member companies for operational modeling and what-if analysis.
- Edgeview Software component for heat exchanger monitoring and analysis, providing technical monitoring and analysis capabilities to member companies.
- Xchanger Suite Educational Educational version of the Xchanger Suite software offered for academic institutions and training purposes.
- Proprietary Testing Services Contract testing services for external clients performed at HTRI's Research & Technology Center, addressing diverse heat exchanger problems through custom physical testing.
- Computational Fluid Dynamics (CFD) Services CFD analysis services using computational methods to model fluid flows and heat transfer for member companies and clients on proprietary contracts.
- Fouling Services Research and services related to heat exchanger fouling mitigation, measurement, and analysis. Includes the new Cooling Water Fouling Unit (CWFU) capability for cooling water systems.
- Heat Transfer Academy Comprehensive training program offering online and in-person courses, workshops, and educational resources on HTRI software (Xist, Xfh Ultra, Xvib, Xace) and heat transfer concepts. Course fees range from US$450-$650 with PDH/CEU credits; regional training events held globally.
- Vapor Infusion Technology Proprietary technology for various applications involving vapor infusion processes, offered to member companies seeking advanced process capabilities.
Quantifiable outcome
- Xist predicted heat transfer area fraction under submergence within ±10% of measured values for cases with up to 60°C subcooling
- +2 more outcomes
Companies that use HTRI
Customer profileNamed customers8 records
Segments5 records
Ideal customer profiles3 records
HTRI technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
HTRI partnerships and signals
Strategic signalScale indicators5 records
Recent moves6 records
Expansion highlights5 records
HTRI competitors and assessment
Company assessmentBroad incumbents
- Aspen Technology (AspenTech, part of Emerson): AspenTech is the dominant process simulation software provider for refining and chemicals, with overlapping heat transfer and heat exchanger design modules. It is the most direct software competitor within HTRI's core O&G/petchem customer base.
- Ansys: Ansys provides multiphysics engineering simulation (Fluent, etc.) that competes with HTRI's CFD services and increasingly overlaps with thermal process design. It serves a much broader engineering customer base including aerospace, automotive, and electronics.
- COMSOL: COMSOL offers multiphysics simulation software used by engineers and researchers for heat transfer and CFD-adjacent analysis. It is a general-purpose alternative for customers evaluating dedicated heat exchanger tools.
- Alfa Laval: Alfa Laval is a major heat exchanger manufacturer (plate, brazed, shell-and-tube) and operates its own thermal design engineering organization. While primarily a hardware company, its in-house design tooling and customer engineering services make it an adjacent competitor and ecosystem participant.
- Kelvion: Kelvion is a global heat exchanger manufacturer offering shell-and-tube, plate, and air-cooled designs. As an OEM, it uses thermal design software internally and sells engineering services to industrial customers, making it both a potential HTRI member and a peer.
- Hexagon (Asset Lifecycle Intelligence / CADWorx): Hexagon's PPM/Asset Lifecycle division (Intergraph, CADWorx, PV Elite) provides engineering and pressure vessel design software used by the same EPC and process-industry customers as HTRI, with adjacent thermal and mechanical design capabilities.
- Siemens Digital Industries Software (Simcenter): Siemens Simcenter offers thermal and CFD simulation tools (STAR-CCM+, Flotherm) used in process, electronics cooling, and HVAC applications — directly overlapping with HTRI's heat transfer and data center cooling use cases.
- Yokogawa Electric (formerly KBC Advanced Technologies): Yokogawa (via the acquired KBC/Aveva process simulation business) provides process optimization and digital twin software for refining and petrochemicals, overlapping with HTRI's SmartPM fouling/digital twin offering.
Direct peers
- Thermon Group Holdings: Thermon manufactures electric heat tracing and process heating systems for industrial customers, with its own engineering design and thermal modeling services. It is a smaller-scale, more specialized peer serving the same process industries.
Regional players
- Heatric (a Chart Industries company): Heatric designs and manufactures printed circuit heat exchangers (PCHEs) and provides thermal design services, often requiring advanced heat transfer simulation. It is a smaller, more specialized peer within the same heat exchanger ecosystem.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
HTRI social profiles
Digital presenceHTRI financial estimates
Financial estimateRevenue estimate
Valuation estimate
HTRI leadership team
Management profileNumber of profiles
Profiles14 records
HTRI funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
HTRI M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about HTRI
What does HTRI do?
HTRI is a member-based research consortium that develops and licenses the Xchanger Suite, the industry's most advanced thermal process design and simulation software for heat exchangers. The company sells software licenses (Xchanger Suite, Xfh Ultra, SmartPM, Exchanger Optimizer, XSimOp, Edgeview), delivers paid training through the Heat Transfer Academy, and provides custom testing, CFD, and consulting services from its Research & Technology Center in Navasota, Texas.
Is HTRI a public or private company?
HTRI is a private company. It is classified as management employee owned and is currently operating.
When was HTRI founded?
HTRI was founded in 1958. It employs 101 to 250 people.
Where is HTRI based?
HTRI is headquartered in Navasota, United States, in the North America region.
How does HTRI make money?
Five revenue lines are on record. Software Licenses/Subscriptions are the primary driver. The others are training Services, proprietary Contracts, technical Publications and conference & Event Fees.
Who are HTRI's main competitors?
Broad incumbents on record are Aspen Technology (AspenTech, part of Emerson), Ansys, COMSOL, Alfa Laval, Kelvion, Hexagon (Asset Lifecycle Intelligence / CADWorx), Siemens Digital Industries Software (Simcenter) and Yokogawa Electric (formerly KBC Advanced Technologies). Thermon Group Holdings is listed as a direct peer. Heatric (a Chart Industries company) is listed as a regional player.
Does HTRI have an API?
Yes. HTRI Xchanger Suite provides an application programming interface (API) called the HTRI Automation Server. This API can be accessed by external applications and used to access data from Xchanger Suite files and to run Xchanger Suite calculations. It enables integration with external applications and the ability to run many Xchanger Suite cases in series. The HTRI Parametric Study Tool extends these capabilities using Microsoft Excel and the OLE automation server interface and API. Developer documentation is at www.htri.net/knowledge-base.
What industry is HTRI in?
HTRI's product category is Thermal Engineering Software & Heat Transfer Research. Its primary akta.pro industry code is IMADANAF, Heat Exchangers, Coils & Hydronic HVAC Components, with a secondary code of IMAHAKAB, HVAC Equipment (Heating, Cooling & Air Handling). Its NAICS code is 3334 and its SIC code is 8734.