How much does a new furnace cost for a 2000 square-foot house?

A new furnace for a 2,000-square-foot house cannot be priced accurately without an on-site assessment, because total cost depends on equipment, installation conditions, and code requirements. Most price swings come from furnace size and efficiency paired with any needed duct or venting updates. We right-size using Manual J load calculations so you don’t overpay for capacity or fuel, and our in-house, licensed team handles permits, commissioning, and homeowner training. We install and replace systems throughout the Belmont area with transparent proposals, and 0% interest HEAT Loan financing for new HVAC systems is available.

Key factors that set the final price:

• Fuel type, efficiency rating (AFUE), and required furnace size
• Ductwork or venting changes, flue liners, or condensate drains
• Thermostats, air-quality add-ons, and code-required accessories
• Permit fees and the complexity of removal/installation access

Schedule a no-cost assessment so we can size your furnace properly and provide a firm, written quote.

Updated: 2026-04-01

Need help in Farmingham, MA? Call (508) 501-9990 or book online. “I would highly recommend this company to everyone.” — Leah M.