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Alstom | Ljungström® Air Preheater

The Alstom | Ljungström® Air Preheater is a rotary regenerative air to gas heat exchanger for steam generators. It was invented in the early part of the 20th Century as a means of recapturing heat escaping up the flue stack in boiler systems.

The Alstom | Ljungström® Air Preheater was named after its inventor Dr. Fredrik Ljungström, an engineer and technical designer from Sweden.

The primary goal of an air preheater – or sometimes simply called an “air heater” or “air pre-heater” – is to boost the thermal efficiency of the combustion heat transfer process.

If you already have an air preheater and wish to discuss improving your energy efficiency, or you require genuine OEM Alstom | Ljungström® Air Preheater parts, please contact us by calling toll free 1-888-317-8959 or (514) 461-2307 if you’re in Quebec.

You can also submit your request for a quote by filling out our easy online web form.

Ljungström® Air Preheater is a registered trademark of ALSTOM

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