Collard & Trolart is a French specialist in steam and domestic hot water technologies for CHP / District Heating, Residential & Commercial and Industrial heat recovery applications. First founded in 1929 and based just outside of Paris, the company designs and manufactures equipment such as heat exchangers, DH sub-stations, pressure vessels, water heaters and gas condensing boilers, also supplying the regulation and after sales service as required by customers. As one of the leading innovators in its field, Collard & Trolart has pioneered important industry breakthroughs such as the first ever condensing water heater. Collard & Trolart is a leading supplier of the Paris District Heating grid, the largest of its kind in Western Europe. The company leverages a long-established network of engineering firms, installers and operators allowing it to stay ahead of the curve. As a technology specialist in the energy sector, it is deeply engaged with environment sustainability and an efficient use of energy sources.