Everyone in Califel contributes with professionalism and dedication to the design, installation and maintenance of the latest generation thermo-hydraulic and air conditioning systems for the residential, hospital and tertiary sectors.

Established in 1963, EUROKLIMAT SpA is one of the first Italian companies to design, plan and build water chillers and precision air conditioners.

ISC Sales Inc. provides superior industrial products to a wide variety of end-users and original equipment manufacturers (OEM). They offer a broad range of climate control products for electrical enclosures, such as air conditioners, vortex coolers, air to air heat exchangers, purge & pressurization units, filtered fans, and thermoelectric coolers.

Smart Solar Energy, which has been conducting R&D studies since 2013 and set out with the principle of providing world-class Smart City Units solutions to all its customers by using the developing technology, Smart Solar Energy has become a leader in Turkey and the world in the last 6 years. It has also become the largest smart city furniture manufacturer in the region.

TERMOTECNICA SITA SRL provides service and maintenance of HVAC equipment and systems, including Boilers, Water Heaters, Air Conditioning, etc. The company's headquarters is based in Rome, Italy.