Heat Transfer
Solutions

For over a century, LJUNGSTRÖM has set the global standard in heat transfer technology. Our proven designs, engineering expertise, and unmatched field experience help power producers and process industries maximize efficiency, reduce emissions, and extend equipment life. Whether for new installations or modernization projects, LJUNGSTRÖM delivers tailored solutions that meet today’s performance and environmental goals.

Flue gas cooling and waste heat recovery

Field-Assembled LJUNGSTRÖM® Air Preheaters

Our field-assembled air preheaters are designed for the most demanding thermal applications — from large utility boilers to industrial processes. Each system is custom-engineered and constructed on-site, offering flexibility for units of any size and configuration.

Key Benefits Include:

Proven regenerative heat transfer technology for optimal performance

Robust, long-life construction for high-temperature and corrosive environments 

Simplified maintenance access and modular replacement design
Engineered to meet the latest efficiency and emissions standards

Pre-Assembled
Air Preheaters

For projects requiring accelerated schedules or minimal on-site construction, our pre-assembled air preheaters offer a turnkey solution. Each unit is fully fabricated, tested, and shipped as a complete module — ensuring faster installation, reduced labor costs, and minimal plant downtime.

Advantages:

Factory-built quality assurance and precision assembly

Reduced outage duration and installation complexity 

Compact footprint for retrofit or limited-space applications
Same proven LJUNGSTRÖM® performance and durability

Gas-Gas Heaters (GGH)

LJUNGSTRÖM Gas-Gas Heaters provide exceptional performance in air quality control systems for both power and industrial plants. These regenerative systems are engineered to recover heat from flue gas streams, improving overall plant efficiency while reducing energy consumption and emissions.

Features:

Advanced heat transfer element design for maximum efficiency 

Optimized gas flow to minimize fouling and pressure drop
Compatible with FGD, SCR, and other emissions control systems
Proven reliability in global installations across diverse fuel types

Total Aftermarket
Support

Our commitment doesn’t end at installation. LJUNGSTRÖM’s Total Aftermarket Support program ensures long-term reliability, performance, and compliance for every unit we deliver. We provide complete lifecycle support — from inspection and performance analysis to upgrades, parts replacement, and service training.

Our Capabilities Include:

On-site inspections and diagnostic assessments
Rotor, basket, and seal upgrades for improved efficiency
OEM replacement parts and material enhancements
Engineering support for system optimization and modernization

Technical Support

LJUNGSTRÖM’s technical experts are trusted partners for customers around the world. We provide real-time support, troubleshooting, and performance optimization to help you keep your equipment running at peak efficiency. Whether you need operational guidance, performance analysis, or system recommendations, our team is ready to assist — backed by decades of global experience in regenerative heat transfer technology.