What Is a Furnace Inducer Motor? Signs It's Failing
The inducer motor is the small fan that starts first and pushes exhaust out the vent. Noises and codes of a failing one, repair vs replace, and cost.
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Central Minnesota Heating and Cooling repairs and replaces furnaces, ACs, heat pumps and boilers in Anoka, about 16 miles from downtown Minneapolis.
Anoka is an old river city where the Rum meets the Mississippi, with Victorian and early-1900s houses near downtown and its own municipal electric utility.
Updated October 21, 2026 · By Eric Brown, owner, Central Minnesota Heating and Cooling

Around town: Rum River · Mississippi River · Colonial Hall · Anoka County History Center · Main Street
Book in AnokaSettlers built at the mouth of the Rum River in 1844, and Anoka incorporated in 1878, so the blocks around Main Street and along both riverbanks hold some of the oldest houses in Anoka County. Houses from those decades were heated by stoves and later by coal-fired gravity furnaces or boilers. The ones still standing usually have a hot-water boiler serving cast-iron radiators, or a gas furnace tied into oversized gravity ducts, along with plaster walls and an attic that has never held a duct.
Away from the rivers, the city filled in with 1920s and 30s houses, then postwar ramblers and story-and-a-halfs, and later a smaller share of newer construction. In the older homes the chimney is often the weak point: when a boiler or furnace moves to PVC venting, a gas water heater can be left alone in a flue built for coal. The postwar ramblers are simpler, with basement furnaces and central air added later.
Cold air pools in the Rum and Mississippi valleys on still January nights, and Anoka's oldest houses feel it: tall ceilings, loose sash windows and walls with little insulation keep a boiler or furnace running almost nonstop in a cold snap. Story-and-a-half houses near downtown grow ice dams where heat escapes into the roof. When an upstairs radiator stays cold while the rest are hot, trapped air is the usual cause, and bleeding it is the first thing to try.
Cottonwoods grow along both of Anoka's rivers, and in June their fluff mats onto condenser coils until the unit can't shed heat. Shut off the power and rinse the coil gently with a garden hose to clear it. The older houses near downtown were built for open windows, not ductwork, so their upstairs bedrooms get little help from an air conditioner in the basement. Ductless heads or a small-duct system handle those rooms, and river humidity makes a basement dehumidifier worth running.
Xcel Energy's electric rebates don't apply here; Anoka Municipal Utility runs its own central AC rebate tied to SEER2, so check its current terms before you buy. Gas comes from CenterPoint Energy, whose rebates on high-efficiency furnaces and boilers work with the dealer of your choice, a good fit for the older radiator houses near downtown.
Rebate programs change every year; check the utility's current terms before you buy. Our guides: Xcel and CenterPoint rebates, heat pump rebates, what happened to the federal credits.
Central Minnesota Heating and Cooling, owned by Eric Brown and in business since 2009, serves Anoka and nearby towns in Anoka County, about 16 miles from downtown Minneapolis. We're open 7 days, 7am–9pm, and no-heat calls get priority. Call 612-429-3465.
An HVAC service call in Anoka is a flat $79 trip charge, waived when you approve the repair. You get a written price before any work. Installed prices are on our pricing page.
Yes, for customers whose electricity comes from Anoka Municipal Utility. The rebate depends on the system's SEER2 rating, and the application asks for the AHRI certificate for the matched outdoor unit and coil plus a dated invoice showing make, model, serial number, size and efficiency. Amounts change, so check with the utility for the current figure. We provide the AHRI match and an itemized invoice.
The radiators usually stay. Cast-iron radiators hold heat well and work with modern boilers, including condensing models that run most efficiently at lower water temperatures with an outdoor reset control. A condensing boiler vents through PVC and needs a condensate drain, like a high-efficiency furnace. Size it from a heat-loss calculation, since old boilers were often oversized for houses that have since been insulated.
Not always. Gravity ducts are large, and a modern blower moves air through them easily; the usual weakness is too few returns and no runs to the upstairs. Before anyone cuts or moves old ductwork, have the wrap and joint tape tested, because some houses from that era used asbestos insulation on ducts. We measure airflow and static pressure first and replace only the sections holding the system back.
In a limited way, yes. Ductless heat pumps put in for summer cooling also heat, and in spring and fall they can carry the rooms they serve while the boiler rests. In deep cold the boiler does the work, since radiators hold steady heat and heat pump output drops below zero. Because Anoka Municipal Utility supplies your electricity, ask it what, if anything, it offers for heat pumps before you buy.
The inducer motor is the small fan that starts first and pushes exhaust out the vent. Noises and codes of a failing one, repair vs replace, and cost.
Read the guideHSPF2 is a seasonal average; COP is efficiency at one temperature. For a Minnesota winter, compare capacity and COP at 5°F. Our heat pumps run $7,500–$14,500.
Read the guideMost gas furnaces last 15–20 years, per Carrier and Lennox. See why Minnesota winters add wear, the end-of-life signs and our $4,500–$9,500 replacement range.
Read the guideBrands we service in Anoka: Carrier · Trane · Lennox · Goodman · Rheem · Mitsubishi Electric · Daikin · American Standard · Navien · Weil-McLain · and every other major brand
Heat out in Anoka? Call or send a request.