96% vs 98% AFUE Furnace: Worth the Upgrade in Minnesota?
A 98% AFUE furnace saves only about 2% more gas than a 96% model. Our condensing furnaces run $6,500–$9,500 installed. See what the extra buys.
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Furnace Replacement in Osseo, MN
A furnace replacement in Osseo is $4,500–$9,500 installed with us; figure on $4,500–$6,000 at 80% AFUE or $6,500–$9,500 for 96–98% condensing. Osseo's gas comes from CenterPoint Energy, which offers furnace rebates. Every quote is a written flat rate built on a Manual J.
Furnace replacements in Osseo homes
In Osseo, a furnace replacement usually means a postwar house where the old unit and the water heater share a masonry chimney. Going to 96–98% puts the furnace on PVC, usually through the rim joist, and the water heater that stays in the chimney has to be made to draft on its own, typically with a liner or by switching to a power-vent water heater. Staying at 80% keeps the chimney venting but still calls for a draft check and often a liner.
Small postwar houses often don't need the furnace size they came with, especially after new windows and attic insulation, so a Manual J frequently lands on a smaller or two-stage model. For rentals, tell us the unit and when the tenant is home so the visit can be planned around their time without heat. A mechanical permit is normally required; the quote names any permit the job needs.
Updated November 10, 2026
What affects the price of a new furnace in Osseo?
What moves the quote in Osseo: venting changes on a switch to a condensing furnace, a liner for a water heater left alone in the chimney, and ductwork and returns. See the furnace replacement cost guide.
Are there rebates for a new furnace in Osseo?
Osseo's utility contacts page names CenterPoint Energy for gas and Xcel Energy for power. CenterPoint's gas-side rebates reach high-efficiency furnaces, boilers and smart thermostats, whoever installs them, with the paperwork due in the install year. Ask us which rebates apply when we quote. Rebate programs change every year, so check the utility's current terms before you buy.
Our guides: Xcel and CenterPoint rebates, heat pump rebates.
Furnace replacement in Osseo: questions
We're selling our Osseo house and the furnace is old. Should we replace it before listing?
Not automatically. Osseo no longer requires a Truth in Housing inspection, but a buyer's inspector will note an old furnace, and a failing one can stall a sale. If it runs safely, a tune-up with written results and a flat-rate replacement quote gives buyers a number instead of a guess. When a technician has found a cracked heat exchanger or red-tagged the furnace, replace it before listing.
How big a furnace does a small postwar Osseo rambler actually need?
Often smaller than the one in it now. Many were sized generously and then replaced nameplate for nameplate for decades, even after new windows and attic insulation cut the heat loss. Run a Manual J on the house in its current state and the answer often sits near the bottom of the residential size range. Too big a furnace runs in short bursts, leaves rooms uneven and wears out parts sooner, so sizing down usually improves comfort.
More in Osseo
Signs your furnace needs replacing
- Furnace repair in Osseo
- AC repair in Osseo
- AC replacement in Osseo
- Heat pumps in Osseo
- Mini-splits in Osseo
- Tune-ups in Osseo
- All HVAC service in Osseo
Furnace replacement near Osseo
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Brands we install and service
Guides on furnace replacement
What Size Furnace Do I Need for a Minnesota House?
Furnace size comes from a Manual J heat loss at a -15°F design day, not square feet. Input vs output BTU, AFUE, why old furnaces run big and what to ask for.
Read the guideFurnace Noises: What Each Sound Means, When to Shut It Off
Bang, squeal, scrape, rattle, hum, click or whistle: what each furnace noise means, whether it's safe to run, and when to call 612-429-3465.
Read the guideContact Us
Heat out? AC quit? Call or send a request.