Quality Service, Inc. is your trusted HVAC expert in Chicagoland and Northwest Indiana, delivering top-notch air conditioning installation and repair, furnace services, plumbing, electrical, and appliance repairs since 1987. Our certified technicians provide energy-efficient, reliable solutions to keep your home comfortable year-round. With decades of experience, Quality Service, Inc. is dedicated to quality, affordability, and exceptional customer service. Contact us today for a complimentary estimate and discover why homeowners choose us for all their HVAC and home repair needs.