CALIBRE SERVICES GROUP – delivering award-winning technology and services

Gree is part of the Calibre Services Group, an established specialist with deep experience of HVACR engineering, service and maintenance, controls and related technologies.

Group companies include
• Klima-Therm Ltd
• Next Control Systems
• LH-plc
• Tutela Systems


With more than a quarter of a century of experience, LH plc is one of the UK’s leading air conditioning and refrigeration engineering companies...

Their Wimbledon-based headquarters are ideally located to serve London, the Home Counties and the South of England, with teams of specialist engineers strategically located around the country to serve clients across the UK - click here to visit their website


Klima-Therm Ltd supplies a full range of high efficiency chillers (based on ammonia, propane and HFCs), including the ultra-efficient award winning Turbomiser Chiller, based on the Turbocor compressor.

Klima-Therm also supplies a range of air handling units from Saiver and Rhoss, as well as complimentary fan coil units from Eurapo, and chilled beams from Airvent and Cosy - click here to visit their website

Next Control Systems

Next Control Systems Ltd supplies advanced energy-saving controls systems to supermarkets, department stores, hotels, restaurants, offices and cold stores. It operates a state-of-the-art 24/7 bureau to monitor and manage alarms on behalf of clients - click here to visit their website

Tutela Systems 

Tutela Systems from Next Control Systems supplies advanced monitoring equipment to blood banks and other highly controlled environments, both in the UK and the US, providing a high of security, control and energy saving - click here to visit their website

We truly feel that the quality of our work is second to none and that our levels of customer service and attention to detail are ranked amongst the very highest in the industry. For more information or to talk to us about Gree Air Conditioning Products please call us on 020 3376 3533, email us here or contact us below.

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