How much does it cost to install a new AC and furnace?

The cost to install a new AC and furnace with Summers Plumbing Heating & Cooling is determined after an in‑home evaluation, with a free written estimate provided before any work begins. Pricing mainly reflects your home’s size and efficiency needs and the scope of the installation, then the specific equipment and options you choose. Today’s energy‑efficient systems can lower monthly bills, and projects include clear warranties on parts and labor. Our team frequently completes full system installs for homeowners in the Plainfield area with straightforward, itemized quotes. Financing is available, including payments as low as $99 per month on a high‑efficiency A/C.

What most affects your final price:

• Equipment choice: central AC with gas furnace, heat pump/dual‑fuel, or mini‑split
• Home size and selected efficiency rating
• Ductwork condition or retrofit needs
• Add‑ons: air purification, humidification, dehumidification, or filtration

Schedule an on‑site assessment to confirm exact pricing and the right system plan in writing. <br/> Updated: 2026-05-04 <br/> Need help in Plainfield, IN? Call (317) 765-1855 or book online.