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21.12.2021

The CEO of Koja Ltd changes on 21 December 2021

The CEO Tuomas Karhu will leave Koja Ltd due to differences of opinion related to the management of the company. The Board of Directors has nominated M.Sc in Econ Leena Aalto as the interim CEO as of 21 December 2021.

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07.12.2021

Koja Group’s cooling business to be merged under Chiller Oy


Koja Group’s cooling business will be centralised to Chiller Oy from 1 January 2022. The purpose of this decision is to streamline the Group’s services in a customer-oriented manner by making Chiller the cooling business expert for the entire group.

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05.12.2021

Company of the Year 2021 Award to Koja Oy Jalasjärvi

Jalasjärven Yrittäjät awarded Koja Oy Jalasjärvi as the Company of the Year 2021. 

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30.11.2021

Scientific research driving agile product development

Combining studies, work and research is not a simple task. Turo Välikangas has successfully managed to complete academic studies and research that takes into account the company’s goals. 

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29.11.2021

Koja quality shines in Tampere Deck complex

The construction of the Tampere Deck complex has been a huge investment for the City of Tampere. The construction project has received extensive media coverage as it consists not only of the deck built above the railway line but also the buildings on top of it: Nokia Arena, the training rink, the Lapland Hotels Arena hotel, Casino Tampere, and the Topaasi and Kruunu residential and office buildings offering modern comfort.

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05.11.2021

The world's largest cruise ship delivered with Koja air conditioning

Koja has designed and delivered HVAC system for the world’s largest cruise ship. Royal Caribbean International’s Wonder of the Seas is scheduled to depart the shipyard on November 5, 2021.

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12.10.2021

Finnish hospitals rely on Koja

In many Finnish hospitals, the air is kept clean and fresh with Koja’s smart and energy-efficient air handling solutions that are suitable for both new construction and renovation projects.

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20.01.2021

HVAC solutions to promote health

HVAC solutions have a key role in passengers’ and crew members’ health, safety and comfort on ships – or any enclosed spaces. In the fight against COVID-19, Koja’s solution is to trap and kill.

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Excellent results through cooperation and customised products

06.10.2021

Excellent results through cooperation and customised products

Koja focuses not only on developing high-quality products and services, but also on close and fruitful cooperation with its partners. The cooperation between Koja and Kakola Yhtiöt is a prime example of smooth-running partnerships. Their joint project involves the renovation of the culturally and historically significant Kakola area in Turku.

HiLTO EC recovers heat in large buildings

09.06.2021

HiLTO EC recovers heat in large buildings

Tom Allen Senera, Koja’s long-term partner, relies on HiLTO heat recovery units in its projects.

Ventilation will play a key role in the new Oulu University Hospital

02.10.2020

Ventilation will play a key role in the new Oulu University Hospital

The new university hospital to be built in Oulu will be the smartest hospital in the world. Ventilation plays a key role, as the functionality of ventilation technology is directly linked to patient safety. The ventilation technology in the hospital is manufactured by Koja.

Spektri Business Park to implement new innovative energy recycling for energy savings

23.06.2020

Spektri Business Park to implement new innovative energy recycling for energy savings

Spektri Business Park in Finland is implementing a large-scale project to reduce energy consumption and emissions, with the aim of producing major improvements in the property's energy efficiency. Koja takes care of the implementation planning of the project as well as the work on the site.

Koja continues to take part in world class research

22.01.2020

Koja continues to take part in world class research

Koja's PhD Student Turo Välikangas has finished a collaboration article with Aalto University, Aalborg University and Tampere University. The article will be published in the International Journal of Heat & Mass Transfer.

Koja to Strengthen Process Fans in Sweden

23.10.2019

Koja to Strengthen Process Fans in Sweden

To ensure a tailored cost-effective project management and delivery model designed to fit the unique starting points and needs of each customer, Koja strengthens its operations in the global market and expands the Växjö office in Sweden.

Two strong Finnish HVAC companies combine their forces

29.05.2019

Two strong Finnish HVAC companies combine their forces

The acquisition of Chiller Group by Koja Group is finalised on 31 May 2019. By combining our technological competence, we can serve our customers better than before.

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