The answer to 'how much to replace AC repair' is that the cost to replace an air conditioning system can vary widely depending on several factors. Generally, a full AC 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 the complexity of the installation.
Some key factors that influence the cost include the type of AC unit (central air, ductless, etc.), the brand and model, the difficulty of the installation, and any necessary ductwork or electrical upgrades. Labor costs from HVAC contractors can also be a significant part of the total expense. It's essential to get multiple local quotes to understand the range of pricing in your area.