In Paradise, the price of a new HVAC system can fluctuate based on several variables, including the necessary size of the unit, its efficiency, and the nature of the installation. Most local homeowners might anticipate paying around $5,000, on average, for a standard unit with an efficiency rating between 14 and 16 SEER. Where airflow and other ductwork issues factor in, the price can go above $10,000. The local economy, seasonal demands, and the price of gas in individual communities have an impact not only in Paradise but across California when it comes time to purchase a new unit.