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. Snook & Aderton HVAC Supply has a large selection of Lau products including fan blades, blower wheels, bearings, belt drive blowers, and more.