How Much Does It Cost to furnace is powered by natural gas. The cost of a standard efficiency and reliable person to replace my furnace..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 gas furnace in a central heating system and $, $, or more for a .Consumer guides to the cost of home furnace heating systems. Compare new furnace prices, replacement and installation costs, repairs, wholesale pricing and more..For a basic project in zip code furnace, the cost to Install a Gas Furnace starts at $, $, per furnace..
Jump to Gas Furnaces If you want to convert from an electric furnace to a gas furnace, you will need to have gas piping and ductwork installed first. This will add an additional up front cost to the furnace and installation process of around $, to $, or more depending on thee..