The answer to 'how much to replace replacement' is that the cost can vary significantly depending on several factors. Generally, the replacement cost for an HVAC system can range from a few hundred dollars for a basic repair up to several thousand dollars for a full system replacement.
Some of the key factors that influence the cost include the size and type of HVAC system, the complexity of the installation, the accessibility of the equipment, the brand and efficiency level, and the labor rates in your local area. Additionally, the age and condition of the existing system, as well as any necessary ductwork or electrical upgrades, can also impact the overall replacement cost.