Lau is the only manufacturer in the market dedicated to the replacement business. We specialize in offering a diverse line of residential and commercial HVAC components unparalleled by any other air moving manufacturer. With the addition of Fire/Life Safety Products. Control Dampers and Louvers. Lau now offers the most complete line of air moving and related products in the replacement market. The precise work we do on custom spec components often outlives the equipment manufacturer's original product design. In fact, it is not surprising to find our client companies changing their equipment designs more frequently than their components. Since each customer has unique requirements, we provide special programs to match your specific needs.