Customized underground ventilation

- Keeping your mine safe and profitable

Fans with accesories

Special doors

Heating solutions

Sensors and meters

How we help our clients to be sustainable

Ventilation on demand, we can help our customers to lower their use of fresh air in different levels of VoD.
Co2-neutral heating solutions, that also can be used to stabilize the frequence in the electrical grid by FCR.

Manufacturing products with low footprints, using their own production of bioenergy and wind/solar energy.
Swedish steel used, with iron from Swedish mines.

We understand the rules in extreme weather conditions. We will always customize our products for your needs.

The full solution

We don't just manufacture and sell great fans and ventilation - we help you along the whole way, making sure you get the full benefit of our experience and know-how from square one. Calculating your mines exact air volume needs, and weighing in all conditions such as altitude, climate, and specific tunnel shapes, you can rest assured that your site is in safe hands.

Ventilation On Demand

Setting up our highly automated, easy-to-use, real-time feedback based Ventilation On Demand solution, your site will be provided with just the right amount of air at just the right places, 24/7. We have seen how this one solution can cut the energy costs of ventilation in half. That's the kind of numbers that make up the difference between mediocre- and great profit margins in a mine.

Top-tier technology

Our fans are tested, developed and manufactured in Sweden. With fan hubs made out of aluminum, our fans are significantly less energy-demanding than most of our competitors', increasing their durability and saving you energy costs. We can always customize all the dimensions of your fans right from the factory, making sure you get the perfect fit and the exact performance you need.

About us

130+ years of expertise makes a difference

EOL Ventsystem was founded in Sweden in 1890 under the name Carl Ström Gruvteknik, and has been distributing mining and tunneling technology for mines ever since. In 2016, the EOL system was divided into separate entities for mining and tunneling. The focus on ventilation solutions emerged during the decades, and today we stand as one of northern Europe's most trusted and sought-after underground ventilation providers.

We develop, build and implement highly customized underground ventilation systems for mining clients of all sizes all over the globe. We currently have clients in 15 different countries all over the world, working with clients in all types of mineral mining, infrastructure tunneling among others, and entrusted with the complete ventilation of the world's largest underground iron mine.

How can we help you?

We have the expertise and the experience necessary to help you get the most durable underground ventilation system, the highest productivity, and the lowest energy costs possible. Send us a message, and we'll talk more about how we can help your project reach its next level in the near future.

Customized underground ventilation

We care about sustainability

How we help our clients to be sustainable

What we do to be sustainable ourself

130+ years of expertise makes a difference

How can we help you?