The answer to 'tune-up repair cost' is that the cost can vary significantly depending on several factors. Tune-ups and repairs for HVAC systems typically range from $100 to $500, but the exact price will depend on the specific work required, the age and complexity of the system, your location, and the experience level of the HVAC technician.
Some of the key factors that influence the cost of an HVAC tune-up or repair include the type of system (furnace, air conditioner, heat pump, etc.), the parts and labor needed, any necessary system diagnostics, and whether the work is considered a routine maintenance service or a more complex repair. It's essential to get quotes from local HVAC companies to get an accurate estimate for your specific situation.