Portable air conditioner accessories from Grainger include products to help you install or repair portable air conditioners. Find warm air ducts and cold air ducts and flanges, condensate pump kits and condenser plenum kits, ceiling tiles for 8-in., 12-in. and 16-in. ducts and much more. Rely on Grainger to provide accessories to help you install or replace items for your portable air conditioner units. Shop today!