Many things change the final price. The type of system you pick matters. A bigger system costs more. The brand of the unit also plays a role. How hard the installation job is can also change the price.
Planning ahead helps you save money. Get quotes from several local pros. Ask about energy-efficient options. These can save you money on your power bills later.
Always get a few bids. This helps you compare prices. It also helps you find the right pro for your home.