The cost of a new furnace for a 2000 square foot house depends on efficiency, brand, climate, and installation complexity, but general ranges for 2025-2026 can be given. A 2000 sq ft house in a moderate climate typically needs a 60,000 to 80,000 BTU furnace, while in a cold climate like Canada or northern US, it may need 80,000 to 100,000 BTU. Equipment-only costs for a basic 80 percent AFUE single-stage furnace suitable for 2000 sq ft are 1,800 to 3,000 dollars, with total installed cost of 3,500 to 5,500 dollars. A mid-efficiency 96 percent two-stage furnace from brands like Tempstar, Comfortmaker, Keeprite, or Goodman costs 2,500 to 4,200 dollars equipment only, and 5,000 to 7,500 dollars installed. A high-efficiency modulating 97 to 98 percent furnace from Carrier, Trane, Lennox, or Daikin costs 4,000 to 6,500 dollars equipment only, and 7,000 to 11,000 dollars installed including new venting, permits, and thermostat. Additional costs may include new ductwork modifications 500 to 2,000 dollars, removal of old furnace 200 to 500 dollars, and upgraded thermostat. In Canada, prices are 10 to 20 percent higher due to exchange, CSA certification, and labor, so a 96 percent furnace installed for 2000 sq ft typically runs 5,500 to 9,000 Canadian dollars. Always get 3 quotes and ensure Manual J sizing is done.
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