96% vs 98% AFUE Furnace: Is the Upgrade Worth It in Minnesota?
What AFUE measures, the gas math from 80% to 96% to 98% using your own bill, and what a 98% furnace really buys you in a cold Minnesota house.
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Furnace Replacement in Otsego, MN
Most Otsego furnace replacements are first replacements of builder models, and they run $4,500–$9,500 installed with us: about $4,500–$6,000 for 80% AFUE and $6,500–$9,500 for 96–98%. We write a flat-rate quote from a Manual J. CenterPoint Energy supplies the subdivisions' gas, and its rebate lets you pick your dealer.
Furnace replacement calls in Otsego homes
An Otsego furnace replacement usually pulls the builder's furnace out of a two-story or rambler built since the late 1990s. The existing PVC venting may be reusable if its diameter and length suit the new furnace and the terminations sit high enough above the snow, which builders didn't always get right, so we check before reusing it. Builders also sized furnaces quickly, so a Manual J often lands on a different size, and a two-stage or modulating furnace evens out the second floor.
The air exchanger stays in the plan. Newer homes need their mechanical ventilation, and the new furnace's blower and controls should work with the HRV or ERV rather than around it. On acreage homes still on propane, a new furnace paired with a heat pump can cut propane use; electric-side rebates depend on whether Xcel Energy, Wright-Hennepin or Elk River Municipal Utilities serves you. We pull the mechanical permit.
Updated September 23, 2026
How much does a new furnace cost in Otsego?
An installed furnace from us runs about $4,500–$9,500 in Otsego: 80% AFUE roughly $4,500–$6,000, 96–98% AFUE roughly $6,500–$9,500. Same prices in Otsego as in every town we serve. See the furnace replacement cost guide.
Are there rebates for a new furnace in Otsego?
Otsego's electric service is split three ways, and each provider has its own programs. Xcel Energy offers heat pump and cooling rebates, often through a Trade Partner Network contractor. Wright-Hennepin lists air-source heat pump rebates and a heat pump tune-up rebate credited on the bill. Elk River Municipal Utilities rebates central and ductless heat pumps, cold-climate models and central AC, with a registered quality-installation contractor required. Gas is CenterPoint Energy, whose heating system rebates let you choose any dealer. Rebate programs change every year, so check the utility's current terms before you buy.
Our guides: Xcel and CenterPoint rebates, heat pump rebates.
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 Otsego: questions
Does our Otsego home's air exchanger need anything when we replace the furnace?
Usually a check. Some HRVs and ERVs tie into the furnace ductwork and are interlocked with the furnace blower, and the new furnace's controls have to be wired to match. We make sure the connection, dampers and interlock work with the new furnace and that the exchanger's filters and core are clean. It's also a good time to confirm the unit's airflow balance.
Should we replace the builder furnace in our Otsego home before it fails?
Only with a reason. A builder furnace around 20 years old that passes a heat exchanger and combustion check can keep going. Replace it early if repairs are stacking up, parts are getting scarce, or the AC is due and you'd rather match them. Planning ahead also lets you pick the install date instead of taking the first open slot in a cold snap, and file CenterPoint's rebate in the same calendar year.
More in Otsego
Furnace replacement near Otsego
- Albertville, MN 3 mi
- Elk River, MN 3 mi
- Saint Michael, MN 5 mi
- Dayton, MN 5 mi
- Rogers, MN 7 mi
- Big Lake, MN 8 mi
Brands we install and service
Guides on furnace replacement
What Does the Blinking Light on My Furnace Mean?
The blinking light on a furnace is a fault code from the control board. How to read it safely, what common codes mean, and when a reset is fine or not.
Read the guideWhy Is My Furnace Leaking Water? Find the Source, Then Fix It
Water around your furnace? Find the source by where and when it drips: condensate trap, pump, frozen line, humidifier or AC coil, and what can't wait.
Read the guideContact Us
Furnace replacement in Otsego? Call or send a request.