See price comparisons on popular gas furnacends..HomeAdvisor’s Furnace Cost Guide lists pricesociated with installing or replacing a furnace including labor and materials, as reported by HomeAdvisor customers..Home Advisor’s Furnace Repair Cost Guide provides estimated repair costs for home heaters and their parts, including heat exchanger, blower motor, igniter and flame sensor repairs..How much a furnace should cost. Average costs and comments from CostHelper’s team of professional journalists and community of users. Replacing a gas furnace can cost $ $, for a self contained and vented wall unit that provides air directly to the surroundinge $ $, for a gas floor furnace heat rises from a grill flush with the floor $, $, for a mid efficiency .
The national average cost of furnace replacement is $,, with most homeowners spending between $, and $,. This data is based on actual project costs as reported by HomeAdvisor members. Whether you need to replace a dead furnace or install an entirely new heating system, you re lo.ng at a significant .