In warmer climates most homes have air conditioning. For some it may be a luxury, but for many it is a necessity and an indispensable feature of their homes. These complex electromechanical systems are the result of nearly a century of engineering development in cooling, thermodynamics, controls and energy efficiency. In the year 2000 air conditioning was even named among the ten greatest mechanical achievements of the 20th century. CD SUD is a prominent French distributor of modern air conditioning systems. The company focuses on three prestigious brands to satisfy the most challenging customer demands.