The answer to 'how much to replace AC repair' is that the cost can vary widely depending on several factors. Typically, a full AC unit replacement can range from $3,000 to $10,000 or more, depending on the size of your home, the efficiency of the new unit, and any necessary ductwork or electrical work.
Some key factors that influence the cost include the brand and model of the AC unit, the complexity of the installation, the cost of labor in your local area, and any necessary permits or inspections. It's essential to get multiple quotes from licensed HVAC contractors in your area to get an accurate estimate for your specific needs.