Profile: Langendorf Supply Co. is a wholesale distributor of plumbing, heating and air conditioning products. Our product line includes grilles, registers, diffusers, terminal units, chilled beams, spiral ductwork, sealing fittings, exhaust & supply fans, blowers, ventilators, gravity vents, control dampers, fire & smoke dampers, air doors, pleated & HEPA filters, filter housings, unit heaters, fume hoods, air valves, dust collection systems and scrubbers. We also offer duct straps, cabinet heaters, industrial fans, exhaust hoods, access doors, pipe hangers and variable frequency drives.