Many things can change your total cost. The size of your home matters. Bigger homes need bigger systems. The type of system you pick also plays a role. High-efficiency units often cost more upfront. But they can save you money on energy bills later.
The brand of the unit affects the price. Installation complexity also adds to the cost. For example, new ductwork will raise the price. Always get a few quotes from local pros. This helps you understand your specific costs. It ensures you get a fair price for your home.