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 Blaine, MN
Our furnace installs in Blaine run $4,500–$9,500, written and flat-rate, from chimney-vented south-end ramblers to north-end subdivisions. In south Blaine's 1950s–60s ramblers, moving off the chimney to a 96% furnace means PVC through the rim joist and a liner or power vent for the water heater.
Furnace replacements in Blaine homes
The most common furnace replacement in south Blaine takes an 80% furnace off the chimney in a 1950s or 60s rambler and puts in a 96% model vented with PVC through the rim joist. That means a condensate drain to the floor drain, a vent route that clears windows and the gas meter, and a plan for the water heater, which is left alone in a chimney sized for two appliances and usually needs a liner.
North Blaine's houses, built from the 1980s on, mostly have PVC already, so their first or second replacements are cleaner. These are tighter two-stories, so a Manual J often lands smaller than the builder's furnace, and a two-stage model with a variable-speed blower helps even out the upstairs. Most of Blaine buys electricity from Connexus Energy, and its dual-fuel off-peak program is worth a look if you pair the new furnace with a heat pump.
Updated November 10, 2026
What affects the price of a new furnace in Blaine?
By efficiency: 80% AFUE roughly $4,500–$6,000; 96–98% AFUE roughly $6,500–$9,500. See the furnace replacement cost guide.
Furnace replacement in Blaine: questions
Our Blaine gas bill comes from Centennial Utilities. Are there furnace rebates?
Ask Centennial directly. Blaine's gas service is split among three utilities, and each sets its own programs. CenterPoint Energy's heating rebates, for example, are only for CenterPoint customers, so they won't apply to a Centennial address. Your gas bill shows which utility applies. Either way, the furnace should be sized with a Manual J and chosen for the house, not for a rebate form.
What happens to the water heater when our south Blaine rambler gets a 96% furnace?
It usually stays in the chimney by itself, and that's the catch. A chimney sized for a furnace and water heater together is too big for the water heater alone, so its exhaust cools, condenses and drafts poorly, which can spill fumes and damage the masonry. The fix is a properly sized liner, or a power-vent water heater that exits through the wall. We price it in the written furnace quote so it isn't a surprise later.
More in Blaine
Signs your furnace needs replacing
- Furnace repair in Blaine
- AC repair in Blaine
- AC replacement in Blaine
- Heat pumps in Blaine
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- Tune-ups in Blaine
- All HVAC service in Blaine
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Brands we install and service
Guides on furnace replacement
Lennox Furnaces Compared: Merit, Elite and Signature
Lennox Merit, Elite and Signature furnaces overlap more than the names suggest. Learn to decode a model number; our 96–98% AFUE installs run $6,500–$9,500.
Read the guide96% 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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