Caleffi S.p.A. manufactures and markets components and systems for heating, cooling, plumbing, and renewable energy applications. The company produces air and dirt separation devices; valves and accessories for radiators; zone valves, distribution manifolds, and motorized controls; radiant panel system components; backflow prevention and balancing devices; hydraulic fittings; gas safety equipment; expansion vessels; heat pumps; and renewable energy solutions, all produced in 10 plants within a 10 km radius in Italy. Founded in 1961 and headquartered in Fontaneto d'Agogna, Italy, Caleffi operates as the industrial holding of an international group with 17 subsidiaries and 3 affiliates, serving more than 90 countries through 20 sales offices worldwide. In July 2023, the company acquired Fratelli Creola Srl to expand its production capabilities; it also took a minority stake in EKINEX for home and building automation in 2019 and increased its ownership in subsidiary Mirabello Carrara S.p.A. Recent developments include the inauguration of a new German headquarters in Mülheim in October 2025, relocation of its Middle East office to Dubai, launch of a new thermostatic regulator in 2024, and renewal of ISO 9001:2015 and ISO 45001 certifications.