We introduced our new Lumikko BTMS at the Helsinki Messukeskus during Teknologia 2025, together with our solutions for the defence industry. If you didn’t get the chance to visit our booth, or if you are looking for information about the products we presented, you will find everything you need on this page.
Lumikko designs and manufactures thermal management solutions for demanding conditions. We deliver customised cooling devices for electrification, the defence industry and railway industry.
Electrification
Our first thermal management solutions for batteries in mobile machinery were designed over ten years ago. Below you can find more information about Lumikko BTMS that we showcased at the fair, as well as other solutions and references.
- Lumikko BTMS — thermal management system for batteries in electric work machines.
- Liquid coolers
- References

Defence
For the needs of the defence industry, Lumikko has been supplying HVAC equipment since 1985.

Railway
All trams in Finland are equipped with Lumikko’s air-conditioning solutions. We delivered our first railway HVAC solutions to locomotives in the 1990s. Below is a collection of our offering and references in railway.
- HVAC and air-filtration systems for mobile machinery – Lumikko
- SJ Bistro Car Modernization | Lumikko’s Refrigeration Units and Maintenance Services
- Braking Energy Recovery System – savings in Helsinki
- More about Lumikko’s deliveries here.

Lumikko BTMS - data sheet
Request the Lumikko BTMS datasheet by filling in your contact details below and explore the system’s power range in more detail.