Furnace expenses may possibly rise in buildings with achieved basements through constrained get entry to, longer duct runs

https://www.scribd.com/document/982336252/What-Is-the-Cost-of-a-New-Furnace-in-Ontario-in-2025-197735

Furnace costs also can rise in residences with performed basements as a result of confined get entry to, longer duct runs, or careful demolition and patching needs.