Rheem and Ruud Furnace Error Codes: What They Mean
Rheem and Ruud furnace error codes from Rheem's own 801T manual: what 11, 22, 33, 55 and 57 mean, how to read the display, and when to call a technician.
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Central Minnesota Heating and Cooling repairs and replaces furnaces, ACs, heat pumps and boilers in Shakopee (Scott County), about 18 miles from downtown Minneapolis.
Shakopee is the Scott County seat on the Minnesota River, home to Canterbury Park and Valleyfair, and its population grew by about 80 percent between 2000 and 2010.
Shakopee Public Utilities, the city-owned utility, supplies electricity to much of Shakopee; some addresses are on Xcel Energy or Minnesota Valley Electric Cooperative, and gas comes from CenterPoint Energy or Xcel Energy depending on location.
Updated October 27, 2026 · By Eric Brown, owner, Central Minnesota Heating and Cooling

Around town: Canterbury Park · Valleyfair · The Landing (Minnesota River Heritage Park) · Minnesota River · U.S. Highway 169
Book in ShakopeeShakopee's housing comes in three layers. The oldest is the river town itself: houses near downtown and the bluff, some from the 1800s, with boilers, tall ceilings and additions from several eras. The middle layer is postwar. The population roughly tripled between 1950 and 1980, and ramblers and split-levels from those decades fill the neighborhoods closer to the old town, many now on their third furnace.
The top layer is the biggest. Between 2000 and 2010 alone the city added about 16,500 residents, and subdivisions of two-stories, split-entries and townhomes spread across the higher ground south of the river valley. Those houses have condensing furnaces, central air and, in the newer ones, an air exchanger, all built to the codes of the same era, so entire neighborhoods are reaching replacement age at about the same time.
Shakopee's winter work splits between old and new. Down in the old town, boilers that have carried a house through decades of winters tend to show their age in the first cold week, with weeping relief valves, noisy circulators and radiators that need bleeding. On the commercial side, rooftop units at shops and restaurants along the highway corridors need their gas heat sections checked before November, and an economizer damper stuck open on a subzero day can freeze coils and pipes inside the building.
Summer near the Minnesota River is humid, and the older houses near downtown that never got ductwork are cooled by window units or ductless heads. Up in the 2000s subdivisions, the air conditioners are mostly original, on R-22 or R-410A depending on the install year, and a unit that quits in July more often needs a capacitor or contactor than a compressor. Houses with an air exchanger bring in humid outdoor air all summer, so an oversized replacement AC that short-cycles makes them feel clammier.
Start with the two bills. If gas comes from CenterPoint Energy, its furnace and boiler rebates let you choose any dealer; if it comes from Xcel Energy, ask whether Xcel's furnace rebate needs a registered contractor. For electricity, Shakopee Public Utilities runs its own program, while Xcel and Minnesota Valley Electric customers follow their own utility's rules.
Rebate programs change every year; check the utility's current terms before you buy. Our guides: heat pump rebates, what happened to the federal credits.
Central Minnesota Heating and Cooling, owned by Eric Brown and in business since 2009, serves Shakopee and nearby towns in Scott County, about 18 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 Shakopee 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.
SPU does, for its customers. It rebates ENERGY STAR air-source, ground-source and ductless heat pumps and asks for a receipt with model numbers and efficiency ratings. We confirm which utility serves your address before choosing equipment.
Yes, on the light-commercial side: rooftop units, commercial furnaces and ductless systems for offices, retail, restaurants and multifamily buildings. Shakopee's mix runs from older storefronts on First Avenue to newer buildings along Highway 169, and most of it fits that range. Commercial repairs get a written price before work starts, the same as residential.
If your property is in a mapped floodplain, it can. Floodplain rules generally require furnaces, water heaters and outdoor units in new or substantially improved buildings to sit above the flood elevation, and even where they don't apply, raising equipment is inexpensive protection. A straight replacement normally stays in the existing location unless the city requires otherwise, and a condenser can go on a raised stand. Check your address on the flood map first.
Usually on a timer or lower speed, not nonstop. An HRV or ERV brings in outdoor air, and in a muggy week that air adds moisture and load for the air conditioner. An ERV limits some of that moisture, but neither replaces the AC. Keep the filters and core clean, and shut it off on the stickiest days if the house feels damp.
Rheem and Ruud furnace error codes from Rheem's own 801T manual: what 11, 22, 33, 55 and 57 mean, how to read the display, and when to call a technician.
Read the guideIce on your AC lines or indoor coil means weak airflow or low refrigerant. What to do right now, checks you can make, and when to call 612-429-3465.
Read the guideThe 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 guideBrands we service in Shakopee: Carrier · Trane · Lennox · Goodman · Rheem · Mitsubishi Electric · Daikin · American Standard · Navien · Weil-McLain · and every other major brand
Heat out in Shakopee? Call or send a request.