The answer to 'how much to replace tune-up' is that the cost can vary significantly depending on several factors. Generally, a basic HVAC tune-up can range from $75 to $200 or more, depending on the complexity of your system and your location.
Factors that influence the cost of an HVAC tune-up include the age and condition of your system, the type of HVAC equipment you have, the accessibility of the unit, and the labor rates in your local area. Additionally, the cost may be higher if any repairs or replacements are needed during the tune-up process. It's essential to get quotes from local HVAC professionals to get an accurate estimate for your specific situation.