The answer to 'average cost for air conditioner' is that the typical cost range can vary widely, but generally falls between $3,000 to $7,000 for a new central air conditioning system installed in a home. The exact cost will depend on factors like the size of your home, the efficiency rating of the unit, the complexity of the installation, and your local market conditions.
Higher-efficiency models and systems with more features will be on the upper end of that range, while basic, lower-efficiency units will be on the lower end. The cost can also be impacted by any necessary electrical or ductwork modifications required for the installation. It's best to get quotes from local HVAC contractors to get an accurate estimate for your specific home and needs.