A LEADING HVAC EXPERT
UNDER ALL CONDITIONS.

A TRUSTED PARTNER OF SHIPYARDS AND SHIP OWNERS

Koja Marine’s smart ventilation solutions are the soul of a ship. The top experts of Koja’s R&D Center and production design and test the HVAC solutions they create with the intended purpose first in mind: air conditioning systems for cabins, public areas and special facilities as well as ventilation for cargo holds and engine rooms.

Delivery reliability, quality and efficiency make Koja the best choice for the world’s largest cruise lines. Continuous product development projects and unparalleled electric automation decrease life cycle costs and environmental impact. Koja’s services, which prolong the life cycle, and the company’s experience of nearly 90 years create pleasant conditions everywhere on the ship.

THE COMPANY’S OWN R&D, PRODUCTION, ENGINEERING AND SERVICES SUPPORT THE VESSEL’S LIFE CYCLE

Koja’s operating model is high quality and efficient at every stage. When the whole life cycle of a HVAC system has been individually dimensioned and optimised starting from the design phase, the savings multiply. Structures and components are tested under extreme conditions, and state-of-the-art production lines decrease the manufacturing lead time. Koja supports, consults and serves at every stage of the life cycle.

PRODUCT
DEVELOPMENT

PRODUCTION

ENGINEERING AND PROJECT WORK

ELECTRIFICATION
AND
AUTOMATION

LIFE CYCLE
SOLUTIONS

REFERENCES FROM THE WORLD’S LARGEST CRUISE SHIPS

Koja has been responsible for the cabin automation systems and HVAC equipment deliveries of well-known top cruise lines across the world. Air handling units and the latest technology increase the energy efficiency of the newest vessels by up to 10% – implemented cost-effectively.

VIEW ALL REFERENCES »

ICON OF THE SEAS

Length 365 m, 250 800 GT
Passengers 5610, crew 2350
Owner: Royal Caribbean International
Builder: Meyer Turku Shipyard
Delivery year: 2023
Koja: HVAC equipment

SPIRIT OF TASMANIA IV

Length 212 m, 48 000 GT
Passengers 1800
Owner: TT-Line
Builder: Rauma Marine Construction
Delivery year: 2024
Koja: HVAC turnkey delivery

TUI MEIN SCHIFF 7

Length 316 m, width 36 m, 111 500 GT
Passengers 2894, crew 1000
Owner: TUI Cruises
Builder: Meyer Turku Shipyard
Delivery year: 2024
Koja: HVAC system delivery

HVAC TESTING UNDER ACTUAL OPERATING CONDITIONS

The air conditioning equipment, electric automation and fancoils are already tested during the product development phase. The challenging testing conditions cover both arctic and tropical conditions up to +32°C/90% RH. With the help of tested information, the HVAC supplier’s top technology and innovations operate optimally throughout their life cycle.

KOJA’S SYSTEM CONTROLS THE WHOLE AIR CONDITIONING

Fresh air to all parts of the ship – including cabins, public areas, special facilities, cargo holds and engine rooms. The core of Koja’s condition control system consists of first-class electrification and automation. Safety and passenger comfort are also the priorities at sea.

ELECTRICAL AND AUTOMATION EQUIPMENT FITTED AT THE FACTORY

When the air conditioning system of a ship has been individually dimensioned and optimised starting from the design phase, the savings multiply. Koja manufactures air handling units, fancoils and heat exchangers at its factory in Jalasjärvi. The complete package is what counts, and efficiency is also environmentally friendly. Production lead time and delivery reliability are also first class.

RESPONSIBLE OPERATIONS OF AN EXPERIENCED SUPPLIER

Koja’s technically high-level HVAC solutions make a crucial impact on the ship’s energy consumption and the comfort of passengers. The life cycle is dimensioned to be energy efficient, starting from the design phase. An optimised, reliable and automated air conditioning system is implemented responsibly, and Koja’s operational system is certified in accordance with international standards.

KOJA USA INC.

Koja USA Inc., located in Florida, is specialised especially in improving energy efficiency and conditions on board. Design, modernisations, life cycle services and IoT solutions make Koja the top player in the field of technology, as well as a reliable partner of the world’s biggest cruise lines.

COMFORT TO THE WORLD’S SEAS – ASK FOR MORE INFORMATION!

Koja experts are here to help.

Email: kojamarine@koja.fi

A LEADING HVAC EXPERT UNDER ALL CONDITIONS.