KOJA GROUP

The Finnish Koja Group is a responsible family-owned company offering smart and energy-efficient air handling solutions for ships and buildings, as well as fan solutions for industry. We create site-specific solutions, products and services from start to finish efficiently and safely — with 90 years of experience. We are constantly improving our operations in an environmentally sustainable way, and always seeking to reduce our carbon footprint.

Koja Group includes the parent company Koja-Yhtiöt Ltd, Koja Ltd and Chiller Oy, as well as their subsidiaries and operations in Finland, Sweden and the USA.

Founded in

1935

Turnover (2023)

130 M€

Headquarters in

TAMPERE

Employees

nearly 500

KOJA GROUP STRATEGY

Our mission is to work to create a cleaner and healthier living environment. We are constantly improving our operations and always seeking to reduce our carbon footprint.

Our vision is to be an environmental leader with the aid of our technological solutions. We aim to be the number one partner in working to create a cleaner environment and healthy conditions. We are committed to operating as a family-owned business for the next 100 years as well.

SUSTAINABILITY

We have made sustainability a prominent part of the Koja Group’s strategy and defined responsibility goals for environmental responsibility, social responsibility and good governance. It is important for us that we reduce climate and environmental impacts, take care of our employees' well-being, and strive for responsible business operations with our stakeholders in mind.

OUR STORY

The history of Koja Group began as early as 1935. Over the decades, what once was a small local metal workshop has become a multidisciplinary global player that ensures the quality of its products and services with its own product development, design and production.

COMPANIES

Koja-Yhtiöt Ltd.

The parent company of the Koja Group.

Koja Ltd.

High quality, energy-efficient air handling solutions for ships and buildings, as well as fan solutions for industry.
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Koja USA Inc.

Less energy and more safety with Koja’s industrial and HVAC solutions in the USA.
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Fennocon Oy

Fennocon has been merged into Koja Ltd. on December 31, 2023.

Chiller Oy

Customer-specific cooling, heating and energy solutions especially for Nordic conditions.
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Chiller Sverige AB

Customer-oriented Chiller solutions in Sweden.
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Koja-Yhtiöt Ltd. and Koja Ltd.

Timo Seppälä, Chairman of the Board
Leena Aalto
Vesa Aalto
Tommi Pettersson
Riku Riikonen

In addition, Tuomas Aalto is an observer member of Koja-Yhtiöt Ltd.'s Board and Mikko Heiska an observer member of Koja Ltd.'s Board

Chiller Oy

Leena Aalto, Chairman of the Board
Joonas Lius
Timo Seppälä

In addition, Olli Aalto is an observer member of Chiller Oy’s Board.

BUSINESS AREAS

We enable optimal conditions and clean and safe indoor air on land and at sea. We deliver high-quality HVAC solutions and systems to buildings and ships. Our fan solutions enhance and stabilize industrial processes.

MARINE

As a leading HVAC expert, Koja Marine is a trusted partner of shipyards and shipping companies. Koja masters the conditions everywhere on the ship.

Buildings

Our long experience and expertise in ventilation, cooling and heating solutions guarantee optimal conditions for buildings, and clean and healthy indoor air.

INDUSTRIAL SOLUTIONS

Our optimized industrial solutions are used all over the world. High-quality fans and air solutions work reliably in demanding industrial processes and applications.

DOMESTIC EXPERTISE AND PRODUCTION

We invest heavily in domestic expertise and production in Finland. We believe that Finnish work is a competitive advantage in the international market as well.

A PROUDLY FINNISH FAMILY BUSINESS

An operating method that spans generations is a matter of honor for us. Koja Group has been a Finnish family company since its foundation, and we want to continue to develop our operations based on this value base.

News

Read the latest news and updates from Koja Group, and explore our diverse range of projects and references in detail.

LET THE EXPERTs HELP

How can we assist you? Koja offers reliable and efficient solutions. Our experts, with 90 years of experience, assist in everyday situations and have a deep understanding of the technology.

Contact us