Cost to Install a Gas Furnace Notes and General Information. These estimates are for BASIC work performed in serviceable conditions by qualified trade professionals .Estimated Price of Repairing Furnace Parts Given the broad price ranges above, it’s easy to recognize that the cost of your furnace repair varies drasti.y based on .Environmental Costs. While the cost of buying and operating a new furnace often tops the list of concerns for shoppers, it’s also important to consider the .If you’ve read gas furnace reviews on this site, you know that most furnaces come with a lifetime limited heat exchanger warranty. Heat exchangers are crafted from .
Jump to Gas Furnaces The average price for a standard AFUE natural gas furnace is around $,. Carrier Carrier s standard furnace comes from the Comfort series. The Comfort has a year warranty on parts and a year warranty on the heat exchanger..