The answer to 'how much does preventive maintenance cost in Chicago' is that the cost can vary widely depending on several factors, but typically ranges from $100 to $300 for a basic HVAC tune-up. The exact price will depend on the size and complexity of your HVAC system, the specific services included, and the expertise of the HVAC technician.
Preventive maintenance is essential for keeping your HVAC system running efficiently and extending its lifespan. Regular tune-ups can help identify and address minor issues before they become major (and more expensive) problems. Factors that influence the cost include the number of units, accessibility of the equipment, and whether any repairs or replacements are needed during the maintenance visit.