The answer to 'AC installation cost' is that the cost of installing a new air conditioning system can vary widely depending on several factors. As a general range, most homeowners can expect to pay between $3,000 to $7,000 for a full AC installation, including the unit, labor, and any necessary ductwork or electrical work.
The specific cost will depend on the size and efficiency of the AC unit, the complexity of the installation, the brand and model, and your local market rates. Larger homes, older homes, or homes requiring extensive modifications will be on the higher end of that range. Getting multiple quotes from local HVAC contractors is essential to understanding the costs in your area.