KOJA Oy

Koja Ltd. creates advanced air handling solutions for buildings and ships, as well as fan solutions for the industry sector — with Finnish expertise. Thoughtful customer solutions are completed by comprehensive life cycle services.

Decades of experience in the development, design, manufacture and delivery of air handling units and fan solutions are behind high quality, safe and durable solutions, as well as top technology at an international level. Koja's own R&D Center enables the testing of machines in their actual operating conditions.

Founded in

1935

Turnover (2022)

82 M€

Headquarters in

TAMPERE

Employees

350

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.

PRODUCTION

Koja's production facilities are located in Jalasjärvi and Tampere. The operations of both manufacturing plants are based on in-house product development and design and testing, customized to client orders. In Jalasjärvi, air handling units for buildings and ships are produced and developed, while in Tampere, industrial process fans are manufactured. The quick turnaround time in production is reflected in flexibility and delivery reliability for customers.

R&D CENTER GUARANTEES QUALITY

TheKoja R&D Center is a product development and testing center where all Koja product groups are tested under their actual operating conditions. The information obtained from the tests enables the use of our units and systems to be optimal throughout their life cycle. Thanks to the data, we can develop our products to be even more versatile.

RESPONSIBLY, CONSTANTLY IMPROVING

At Koja, we follow sustainable principles in our operations. They include the areas of environmental and social responsibility and good governance. To achieve our sustainability goals, we have made sustainability a prominent part of our strategy, created sustainability programs and invested in domestic production, among other things.

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