The Compagnie Industrielle d'Applications Thermiques, or CIAT Group, is an HVAC equipment manufacturer, founded in 1934. The headquarters and main industrial site are located in France, in Culoz department of Ain, between Lyon and Geneva. A second large industrial facility is located in Montilla, in Cordoba, Spain, where several HVAC products, such as rooftop units, are manufactured and engineered. A large research and development center including a test laboratory is also present there.