The answer to 'how much does mini split cost in Illinois' is that the cost of a mini split system can vary widely depending on several factors. In general, you can expect to pay anywhere from $3,000 to $10,000 or more for a mini split installation in Illinois, with most homeowners spending between $5,000 to $8,000.
The exact cost will depend on the size of your home, the number of indoor and outdoor units needed, the efficiency rating of the system, the complexity of the installation, and the brand and model you choose. Costs also vary by location within Illinois due to differences in labor rates, permit fees, and other local factors. It's best to get quotes from several licensed HVAC contractors in your area to get an accurate estimate for your specific project.