The answer to 'how much to fix HVAC system in my area' is that the cost can vary widely depending on several factors. Typical HVAC repair costs can range from a few hundred dollars for minor issues up to several thousand for more complex problems. The specific cost will depend on the type of system, the extent of the problem, the parts and labor required, and your location.
Some key factors that influence HVAC repair pricing include the age and efficiency of the system, whether it's a residential or commercial unit, the complexity of the repair, and the going labor rates in your local area. It's best to get multiple quotes from reputable HVAC contractors in your community to get an accurate estimate for your specific situation.