The answer to 'how much does preventive maintenance cost' is that the cost can vary significantly depending on several factors. Typically, annual preventive maintenance for a residential HVAC system can range from $100 to $300 or more. The exact cost will depend on the size and complexity of your system, your location, the specific services included, and the expertise of the HVAC technician.
Preventive maintenance is an important investment to keep your HVAC system running efficiently and extend its lifespan. Regular tune-ups and inspections can help identify and address minor issues before they become major (and more costly) problems. Getting local quotes from reputable HVAC contractors is essential to understand the typical costs in your area.