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Furnace Replacement in Monticello, MN

Our installed price for a new furnace in Monticello is $4,500–$9,500, from about $4,500–$6,000 for an 80% model to $6,500–$9,500 for a 96–98% condensing unit. Much of Monticello was built between 1990 and 2010, and many of those original furnaces are due now. CenterPoint Energy supplies the gas and handles the furnace rebate.

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Furnace replacement in Monticello: $79 trip charge, waived with the repair.

We'll call or text you back about this request only. Rather talk now? Call 612-429-3465.

Furnace replacement calls in Monticello homes

Many Monticello furnace replacements are original equipment from the 1990s and 2000s coming out of ramblers, split-entries and two-stories. Houses that already have a 90%-plus furnace have PVC venting in place, and a replacement is the right time to fix what winter has taught you about it: a termination that frosts over or drifts shut can be raised or moved, and a condensate line that freezes can be rerouted. Older homes near downtown with a chimney-vented 80% furnace face the usual choice between keeping the chimney, lined if needed, or going to PVC and sorting out the water heater's venting.

Finished basements are the other factor. Many were finished without new supply or return runs, and a replacement is when we add them. CenterPoint Energy supplies Monticello's gas, and its heating system rebate requires AHRI- or ENERGY STAR-listed equipment with a verified AFUE, which we note on the quote. Each quote is sized by Manual J and includes the mechanical permit.

Updated September 23, 2026

How much does a new furnace cost in Monticello?

An installed furnace from us runs about $4,500–$9,500 in Monticello: 80% AFUE roughly $4,500–$6,000, 96–98% AFUE roughly $6,500–$9,500. Same prices in Monticello as in every town we serve. See the furnace replacement cost guide.

Are there rebates for a new furnace in Monticello?

Monticello is on Xcel Energy for electricity and CenterPoint Energy for gas, so equipment rebates come from two utilities. On the gas side, CenterPoint rebates high-efficiency furnaces and boilers from any dealer, and its ducted air-source heat pump rebate applies only to heat pumps paired with a gas furnace. Xcel offers heat pump, cooling and smart thermostat programs, including AC Rewards. Xcel's heat pump rebates call for a Trade Partner Network contractor, and installs must be finished by December 31, 2026. Rebate programs change every year, so check the utility's current terms before you buy.

Our guides: Xcel and CenterPoint rebates, heat pump rebates.

Outdoor unit of a ductless heat pump on a ledge beside a house wall and window

Signs it's time to replace your furnace

  • A cracked heat exchanger on a furnace that's out of warranty
  • The furnace is 20-plus years old and needs another major repair
  • Rooms far from the furnace never warm up on sub-zero nights
  • Gas bills climbing while your thermostat settings haven't changed
  • Repair calls two or more winters in a row
  • A burner roar or blower noise you can hear across the house
  • Replacement parts for your model are getting hard to find

More detail on our furnace installation page.

Furnace replacement in Monticello: questions

Our Monticello basement was finished after we moved in. Should the new furnace change anything down there?

It should. A basement finished without its own supply and return runs is usually cold in winter and stale in summer, and a new furnace can't fix that by itself. During a replacement the ducts are open at the furnace, so adding a supply branch and a return for the finished space is simpler than at any other time. The Manual J includes the basement, so the furnace is sized for the whole house.

Can a new furnace vent through the roof instead of the side wall in Monticello?

Many condensing furnaces allow a vertical roof termination, which avoids drifting snow entirely. It costs more, because the pipe runs up through the house in a closet or chase and needs roof flashing. For most Monticello houses, raising a side-wall termination or using the manufacturer's approved vent kit solves the drift problem for less. We choose based on your house's layout and the furnace's venting limits, and the quote shows which.

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Furnace replacement in Monticello? Call or send a request.

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We'll call or text you back about this request only. Rather talk now? Call 612-429-3465.

Call 612-429-3465Request service