Four hystorical brands form the Group portfolio, each dedicated to a specific branch of the HVAC business.


CLINT is one of the trademarks of the G.I. HOLDING, focused on Liquid Chillers, Heat Pumps, Roof Top and Fan Coil Units, that operates internationally with its large production and sales network.

25 years of experience and a strong entrepreneurial spirit are the Group’s distinctive features.

A winning combination, that offers highly technological and completely flexible solutions to the market.

CLINT’s key strength lies in its ability to deliver focused, custom responses to highly specific needs, especially in large systems.

Combining experience in centralised hydronic air-conditioning systems with advanced plant technology and a number of innovative R&D solutions, CLINT designs, manufactures and customises a complete range of machines for centralised air-conditioning of residential, commercial and industrial buildings, complemented by a widespread pre- and post-sales assistance network with a strong international presence.

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With its long-standing experience and structured organisation, NOVAIR is the Air Quality specialist within the G.I. HOLDING Group. It offers a complete and integrated range of units for air ventilation and handling for residential and industrial applications. Air Handling Units and Terminal Units: all units can be customised and are designed to provide maximum comfort with the highest energy efficiency. In order to guarantee the best to our Customers, we develop their projects in collaboration with expert project managers specialised in the air handling and ventilation sectors, qualified technicians for the assembly and commissioning of the machines and selected suppliers for a total reliability of the components.

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KTK KLIMATECHNIK is a G.I. HOLDING international Group brand. 40 years of consolidated experience make it a key global brand in the Air Conditioning and Process Cooling business, characterized by skilled know-how, flexibility and innovation.

KTK KLIMATECHNIK’s key strength lies in its ability to deliver focused, custom responses to highly specific needs, especially in large systems. Combining experience with advanced technology, innovative research and development solutions, KTK KLIMATECHNIK designs, manufactures and customizes a complete range of machines, especially dedicated to industrial processes and air conditioning of commercial and industrial environments.

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MONTAIR is one of the trademarks of the G.I. HOLDING international Group. For decades it stands for excellence in the precision air conditioning of high technological content environments: cooling units for technical applications such as Data Processing Centres and industrial processes.

MONTAIR offers a wide range of products specifically designed to meet different types of applications, based on full climatic control, reliability and energy-saving to optimise the investment made in the system.

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