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 Victoria runs $4,500–$9,500 installed, flat-rate in writing, for large lake-area homes sized room by room. In three-level homes over 3,000 square feet, a room-by-room Manual J may point to zoning or a second system instead of a bigger furnace.
Victoria's newer homes are big, open and often on their first furnace replacement, and copying the builder's nameplate is how you end up with the same comfort problems. A Manual J on a three-level house with a two-story great room and a finished walkout often points to a two-stage or modulating furnace with a variable-speed blower, sometimes with zoning, and occasionally to a second system for a large lower level. Static pressure gets measured too, since undersized returns are common and a new blower can't fix them.
Venting is usually PVC already; we check pipe size, length and termination clearances against the new furnace's manual. On older cabins and ramblers by the lakes, a move from 80% to condensing means new venting and a look at the water heater's chimney. CenterPoint Energy supplies the gas here.
Updated November 10, 2026
By efficiency: 80% AFUE roughly $4,500–$6,000; 96–98% AFUE roughly $6,500–$9,500. See the furnace replacement cost guide.
Victoria's gas utility is CenterPoint Energy, whose heating rebates cover high-efficiency furnaces, boilers and thermostats with the dealer of your choice, plus a ducted heat pump rebate when the heat pump is paired with a gas furnace. 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.
It's often the best fit. A modulating furnace adjusts its fire in small steps, so on the many winter days that need only part of its capacity it runs long, quiet cycles instead of short blasts. In a three-level house with a two-story great room, that steadier airflow evens out the floors and cuts blower noise. It costs more than two-stage and pushes the price toward the upper end of our $6,500–$9,500 range for 96–98% furnaces.
Yes. Many tightly built newer homes here have an HRV or ERV tied into the furnace ductwork, and it has to be reconnected and rebalanced with the new blower. We check its connections, look at its core and filters, and confirm its controls still work with the new furnace. Skipping that step can leave the house stuffy or pull the ductwork out of balance.
Signs your furnace needs replacing
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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