Central air installation with existing ductwork is not a flat price; Summers Plumbing Heating & Cooling provides free, written, upfront pricing after a home assessment and system sizing. Most cost variation comes from system capacity (tonnage) and efficiency (SEER2), plus any needed duct or electrical adjustments. A Manual J load calculation is the gold standard for sizing and often avoids oversizing that inflates costs and energy use. Our Indianapolis team regularly outfits Broad Ripple homes, where older ducts may benefit from sealing to protect comfort and noise levels.
Key factors we check before giving a firm quote:
- Home square footage and insulation that set required tonnage
- Chosen equipment type: central AC vs heat pump, and efficiency tier
- Existing duct condition and airflow balance, even when ducts stay
- Line-set, pad, drain, and electrical suitability for the new unit
If your system is failing and over 10 years old, replacement usually wins on lifetime cost versus frequent repairs. Book an in-home assessment so we can complete sizing and present a firm, written quote before any work begins.
Updated: 2026-08-01
Need help in Broad Ripple, IN? Call (317) 463-1016 or book online. “Summers just installed my new furnace and A/C in 1 day!” — Ingrid L.