How Long Does a Furnace Replacement Take?
Most furnace replacements take one day; venting, a chimney liner, gas line or duct work can add a second. Ours run $4,500–$9,500 installed. Call 612-429-3465.
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Furnace replacement in Dayton runs $4,500–$9,500 installed with us. Most replacements here move a 1970s chimney-vented 80% furnace to a 96–98% model with PVC venting. The written, flat-rate quote follows a Manual J, not the old nameplate.
Replacements in Dayton mostly land in the 1970s-era houses, since the newer ones aren't due yet. Taking one of those from a chimney-vented 80% furnace to 96–98% involves an intake and an exhaust pipe in PVC through the rim joist, a drain for the condensate, and a new venting plan for the water heater still in the old flue. Nameplate-for-nameplate swaps over the decades often carried an oversized furnace forward, and a room-by-room Manual J for the house in its present condition tends to call for less.
On rural lots burning propane, a high-efficiency furnace pays back faster, because a unit of heat from propane usually costs more than one from natural gas, and the quote includes the propane conversion. Expect a mechanical permit on a Dayton replacement; the written quote lists it.
Updated October 27, 2026
By efficiency: 80% AFUE roughly $4,500–$6,000; 96–98% AFUE roughly $6,500–$9,500. See the furnace replacement cost guide.
Three pieces of work beyond the furnace itself. Two PVC pipes, intake and exhaust, leave through the rim joist or a side wall, with terminations kept clear of windows, the gas meter and drift height. A condensate line carries water to a floor drain, or to a pump if the drain is far away. And the water heater, left by itself in the chimney, needs a liner or a replacement with its own power vent.
There can be. Elk River Municipal Utilities lists a rebate for an ENERGY STAR replacement furnace with an ECM blower motor, paid as a credit on your electric bill, since the blower runs on its power. It wants the AHRI certificate and an itemized invoice. That's separate from CenterPoint Energy's rebate on the gas side, and each utility sets its own rules, so check both before you buy.
Signs your furnace needs replacing
Most furnace replacements take one day; venting, a chimney liner, gas line or duct work can add a second. Ours run $4,500–$9,500 installed. Call 612-429-3465.
Read the guideFind your furnace or AC's age on the data plate, then the install sticker or permit record. Serial decoder charts disagree by brand. Call 612-429-3465.
Read the guideThe inducer motor is the small fan that starts first and pushes exhaust out the vent. Noises and codes of a failing one, repair vs replace, and cost.
Read the guideHeat out? AC quit? Call or send a request.