When equipment goes down, you need replacement fans, blower wheels, blowers, belts and pulleys fast. Lau is the only manufacturer in the market dedicated to the replacement business. We offer the most complete selection of inventory in the industry, shipped from three regional warehouses, at competitive prices. We are the most diverse and dependable full line supplier of component products and fan systems to residential and commercial heating and cooling markets. The precise work we do on custom spec components often outlive the equipment manufacturer’s original product design.