Ljungstrom

What Ljungstrom does

LJUNGSTRÖM is a 100-year-old engineered heat-transfer and advanced-manufacturing company that designs and builds regenerative air preheaters, rotary gas-gas heaters, acid gas injection systems, heat exchangers, and thermal energy storage systems for power generation, oil & gas, cement, waste-to-energy, and adjacent industrial customers. Its core technology is regenerative heat transfer for flue gas applications — Ljungström® rotary air preheaters, GGHs, RGC® gas coolers, the proprietary SBS Injection™ and LBS Injection™ acid-gas control systems, and the newer CO2 Wheel® rotary adsorption machine for point-source CO2 capture. The company also operates a large-format advanced-manufacturing business (337,000 sqft U.S. facility, ISO 9001/14001/3834-2, ASME S/U stamps, robotic welding) producing heavy structural steel for data centers, offshore wind, transportation, and renewable-energy OEMs.

The company sells through direct enterprise field sales with technical support specialists serving utilities, EPCs, and industrial operators in 8 countries (USA, Germany, China, India, Australia, Czechia, Japan, Poland), with installations in 30+ countries. Revenue streams include one-time capital equipment sales (air preheaters, GGHs, heat exchangers, CO2 Wheel®), aftermarket parts and services, custom advanced-manufacturing contracts, and engineering/consulting services (CFD modeling, fuel-switch engineering, CCUS integration). Pricing is quote-based and not publicly disclosed. LJUNGSTRÖM is a privately held subsidiary of ARVOS Group, a diversified industrial conglomerate, and has roughly 1,001–5,000 employees globally.

Name

Ljungstrom

Legal name

LJUNGSTRÖM

Website

https://ljungstrom.com

Company type

Private

Founded year

1923

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

LJUNGSTRÖM is a 100-year-old US-headquartered engineered heat-transfer company that designs and manufactures regenerative air preheaters, gas-gas heaters, acid-gas injection systems, and large-format industrial fabrications for power generation, oil & gas, data centers, and renewable-energy operators globally.

Ownership category

akta.pro rank

Product category

Industrial Heat Transfer Equipment

NAICS

Power Boiler and Heat Exchanger Manufacturing (33241), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414)

SIC

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

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industries

Heat Exchangers & Thermal Transfer Equipment (IMAHAKAC), Boilers, Furnaces & Process Heating Equipment (IMAHAKAD), Industrial Boilers, HRSGs & Steam Generators (IMAHAFAF), Gas Processing Plant Equipment & Skids (Separators, Heat Exchangers, Turboexpanders) (EUAAABAH)

Keywords

• Industrial heat exchangers
• Air preheaters
• Flue gas treatment
• Regenerative heat transfer
• Advanced industrial manufacturing

Headquarters

HQ city

Wellsville

HQ country

United States

HQ region

North America

Offices8 records

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. Capital Equipment Sales: Sale of engineered heat transfer systems including Ljungström® Air Preheaters, Gas-Gas Heaters, RGC® heat exchangers, Heat Pipe Heat Exchangers, and Ljungström® Plate HX to power generation, oil & gas, and industrial plants.
2. Aftermarket Parts, Upgrades & Services: Replacement parts, performance upgrades, plant life extension services, and technical support including inspections, maintenance, rotor replacements, and full refurbishments for existing heat transfer equipment.
3. Custom Advanced Manufacturing: Precision fabrication, welding, machining, and coating services for large-format steel components serving transportation, data centers, renewable energy, and industrial construction sectors.
4. Engineering and Consulting Services: Process simulation, feasibility studies, CFD modeling, fuel switch engineering, CCUS integration, and performance optimization consulting services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Ljungström designs, manufactures, and services engineered regenerative heat transfer systems — primarily Ljungström® rotary air preheaters and gas-gas heaters — for power plants and heavy industrial operators. The portfolio extends into flue gas treatment (SBS/LBS acid gas injection, mercury control), waste heat recovery, CCUS-ready rotary adsorption machines, thermal energy storage, and the AdvX® upgrade platform, complemented by large-format custom steel fabrication and aftermarket/field services.

Product overview

LJUNGSTRÖM is a technology company offering engineered heat transfer, energy technology, and advanced manufacturing solutions. The portfolio includes three core product lines: Heat Transfer (Field-Assembled and Pre-Assembled Air Preheaters, Gas-Gas Heaters, Coal-to-Gas Conversions), Energy Technology (SBS/LBS Injection™ acid gas control, RGC® Heat Exchangers, Ljungström Plate HX™, Heat Pipe Heat Exchangers, Thermal Energy Storage, CO2 Wheel® Rotary Adsorption Machines, Flue Gas Pre-Treatment, AdvX® Solutions platform, Engineering & Consulting, Waste-to-Energy), and Advanced Manufacturing (fabrication, welding, machining, coating services). The company also provides Total Aftermarket Support and Technical Support services. These products work together to help industries improve energy efficiency, reduce emissions, and extend asset life.

Differentiator

Problem solved

Functional benefit

Brands

• AdvX®: Advanced solutions for fuel switching, heat rate improvement, boiler feedwater preheat, operational flexibility, zero liquid discharge, and stack gas reheat.
• CO2 Wheel®
• Ljungström® Plate HX™
• RGC®
• iLampSecure Sentinel Poles

Products and services

• Field-Assembled Air Preheaters Custom-built, on-site constructed rotary regenerative air preheaters for large-scale flue gas heat recovery in power plants and industrial applications; available in bi-sector, tri-sector, and quad-sector configurations for various boiler types.
• Pre-Assembled Air Preheaters Factory-assembled modular rotary air preheaters designed for rapid single-lift installation and drop-in replacement at smaller industrial sites.
• Ljungström® Gas-Gas Heaters (GGH) Regenerative rotary gas-gas heaters for Selective Catalytic Reduction (SCR) and Flue Gas Desulfurization (FGD) systems; installed across 30+ countries with 50+ years of technology development.
• Coal-to-Gas Conversion Solutions Air preheater solutions engineered for converting coal-fired units to natural gas, including gas-optimized heat-transfer surface selection and trisector-to-bisector conversion services that can deliver fuel savings often exceeding 1%.
• SBS Injection™ (Sodium Based Acid Gas Control) Proprietary sodium-based SO3 injection technology providing up to 99.9% SO3 removal to prevent corrosion, APH scaling, and visible plumes; applied to 40+ boilers covering 25,000+ MW.
• LBS Injection™ (Lime Based Acid Gas Control) Cost-effective dry lime injection system removing up to 99% of SO3, reducing fouling and extending equipment life.
• HBS™ Sorbent Injection Mercury oxidation and control system using modified sorbents; achieves mercury levels below 1 µg/m3 when injected before high-dust SCR.
• Ljungström® Plate HX™ All-welded plate heat exchanger for gas-to-gas and gas-to-air heat recovery in high-temperature, low-pressure industrial applications with zero leakage construction.
• Heat Pipe Heat Exchanger Passive high-efficiency heat recovery solution using phase-change working fluid; zero cross-stream leakage, no moving parts, handles temperatures up to ~1,000°C.
• RGC® Heat Exchangers (Rotary and Heat Pipe) Regenerative gas coolers for flue gas cooling and waste heat recovery, available in rotary RGC® (ultra-low leakage) and Heat Pipe RGC® (zero leakage) configurations; built on 30,000,000+ hours of Gas-Gas Heater operating performance.
• Thermal Energy Storage (TES) Modular, containerized thermal energy storage system (20- or 40-ft containers) capturing energy from renewable electricity, surplus grid power, or industrial waste heat and delivering it as steam, hot air, or thermal oil.
• CO2 Wheel® Rotary Adsorption Machine Client-specific rotary sorbent adsorber machine for point-source CO2 capture using low-temperature swing adsorption; patented low-profile concepts, vertical shaft rotor arrangement, and customizable sorbent media heights.
• CCUS Solutions Comprehensive CCUS-ready technologies including flue-gas cooling, acid-gas mitigation, and waste heat recovery systems for power generation, oil & gas, cement, pulp & paper, and steel industries.
• AdvX® Solutions Platform Comprehensive platform of air preheater upgrade solutions including Heat Rate Improvement (HRI), Boiler Feedwater Preheat (BFP), Operational Flexibility (FLX), Zero Liquid Discharge (ZLD), Stack Gas Reheat (SGR), and Fuel Switching (Switch) modules for efficiency, water, and fuel flexibility.
• Total Aftermarket Support Full-service lifecycle support including performance upgrades, replacement parts, plant life extension, rotor replacements, full refurbishments, and technical support for rotary heat exchangers.
• Technical Support Services Comprehensive technical services including hands-on inspections, drone inspections, full-service maintenance, outage planning, performance evaluation, and emergency assistance for installed heat transfer equipment.
• Engineering and Consulting Services End-to-end engineering services including waste heat recovery engineering, flue-gas cooling design, fuel switch planning, process simulation, feasibility studies, CFD modeling, and CCUS integration support for power and industrial facilities.
• Waste-to-Energy Solutions Integrated heat-exchange, flue-gas treatment, and carbon-capture technologies for waste-to-energy and biomass facilities to improve efficiency and meet emissions compliance.
• Advanced Manufacturing Services Large-format industrial manufacturing services including fabrication, welding (GTAW, SMAW, SAW, FCAW, GMAW, Electroslag, stud welding), precision machining, coating, and surface treatment for transportation, data centers, renewable energy, and industrial construction.
• iLampSecure Sentinel Poles Custom-manufactured steel poles for safety and monitoring infrastructure applications, with first shipment to Florida announced March 2026.
• Flue Gas Pollution Control Systems Integrated AQCS and DeNOx systems for particulate, NOx, and mercury control in industrial flue gas streams.

Quantifiable outcome

• Up to 99.9% SO3 removal at low reagent usage
• +8 more outcomes

Named customers4 records

Segments7 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature19 records

Partnerships

Two partnerships are on record, tiered core.

• HaF EquipmentcoreStrategic or Co-development Partner · 2 May 2025LJUNGSTRÖM and HaF Equipment announced a worldwide partnership to expand global acid gas mitigation solutions. The collaboration combines HaF Equipment's capabilities with LJUNGSTRÖM's SBS Injection™ and LBS Injection™ technologies to deliver comprehensive acid gas control solutions to industrial operators globally.
• World's Leading Heat Pipe Heat Exchanger Supplier (unnamed)coreTechnology or IntegrationLJUNGSTRÖM's Heat Pipe RGC® solutions are provided in collaboration with the world's leading supplier of durable heat pipe heat exchangers for flue gas applications, enabling zero-leakage, modularized assembly for commercial CCUS installations.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Babcock & Wilcox: Babcock & Wilcox designs and manufactures utility and industrial steam generation, heat recovery, and emissions control equipment for power and process industries — directly comparable product overlap with Ljungström's air preheaters, gas-gas heaters, and SCR/FGD heat exchange offerings.
• API Heat Transfer: API Heat Transfer manufactures a broad range of heat exchangers (plate, shell-and-tube, air-cooled) for industrial and power applications, directly competing with Ljungström Plate HX and aftermarket thermal replacement components.
• Thermax: Thermax provides industrial heating, cooling, and heat transfer solutions, including boilers and heat exchangers for power, oil & gas, and process industries — directly analogous product categories in boilers, waste heat recovery, and air pollution control.
• Graham Corporation: Graham Corporation manufactures heat transfer equipment, condensers, and ejectors for power generation, defense, and process industries; comparable as a specialty industrial heat exchanger supplier serving similar utility and refining customers.

Broad incumbents

• Alfa Laval: Alfa Laval is a global leader in heat transfer, separation, and fluid handling — including plate heat exchangers and gas-gas heat exchangers that compete directly with Ljungström Plate HX and gas-gas heater offerings, though Alfa Laval serves a broader industrial base.
• SPX Technologies: SPX Technologies (including legacy heat transfer brands) manufactures HVAC, detection, and cooling/heat exchange equipment; relevant because of overlap in plate heat exchangers, air-cooled heat exchangers, and industrial cooling served through similar channels.
• Hamon: Hamon designs and supplies heat transfer, cooling, and air-quality systems for power generation and heavy industry; its cooling towers and heat exchange portfolio overlap with Ljungström's regenerative gas cooling and flue-gas heat recovery product lines.
• Andritz: Andritz supplies engineered equipment and services for pulp/paper, metals processing, and power generation — including heat transfer and emissions-control systems — comparable in serving process industries with engineered heat and air-quality solutions.

Regional players

• Doosan Enerbility: Doosan Enerbility designs and supplies large power generation equipment (boilers, steam turbines, heat recovery boilers) with strong Asia-Pacific presence — comparable as a power-generation OEM partner in geographies where Ljungström also manufactures and sells (China, India).

Emerging players

• Holtec International: Holtec's heat transfer division supplies industrial heat exchangers and auxiliary equipment for power generation and process plants — comparable in thermal equipment supply, particularly for utility-scale heat recovery and emissions management.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/LJUNGSTR%C3%96MGlobal
• Facebookfacebook.com/ljungstromglobal
• LinkedInlinkedin.com/company/ljungstrom
• Xx.com/lju_global

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Ljungstrom