When you need plumbing, heating, cooling, drain or sewer services in Chicago or the Northwest Suburbs, you need a home mechanical service company you can depend on to get the job done right. At Intelligent Service, we have been serving the area for 40 years, and we are proud to have built a strong reputation throughout the region. We respond to calls quickly and arrive to appointments on time. If you need a helping hand, please give us a call at 847-358-5377 today to schedule an appointment.