Introduction: UJI Duct Works invests in state of the art equipment that is designed for use in cleaning HVAC systems. We use a high powered, equipment, negative air cleaning system to service our customers. We're based out of Skokie and serving Chicago-land surrounding suburbs, we're licensed and Certified. We also work on Heating and Air Conditioning, Repair or a brand new Furnace and AC Install. We're committed to the highest level of professional quality, maintaining and developing industry standards, and continuing technical and safety training. Our goal is to provide the best value for Air Duct and Dryer vent cleaning for your home or business. Locally family owned & operated.