Profile: Birch Sales & Marketing Ltd. is a provider of air conditioning units and systems. We avail a wide range of equipment which are widely used in various applications. This list includes electrical, plumbing, and ventilation applications. Accessories we offer for air conditioning applications include re-inforced condensate hose, hose clips, elbows, reducers, straight connectors, and non-return valves. Our copper fitting products include copper bonnets, copper saddles, end caps, equal tee, fitting reducers, male flare unions, P traps, reducing couplers, and return bends. Our electrical materials and supplies include metal clad & plastic isolators, patress boxes, switches, lighting, fuse spurs, cable, plastic trunking, glands and tape, and accessories.