What Should I Set My Thermostat to in a Minnesota Winter?
68–70°F while you're home and awake, lower at night, never below 55°F when you're away. What setbacks save, how heat pumps differ, how to avoid wet windows.
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Heating & Cooling in Richfield, MN
Richfield is about as postwar as a suburb gets, with most houses dating from the 1940s and 50s, and the blocks nearest the airport were later retrofitted through the Metropolitan Airports Commission's noise program.
HVAC service in Richfield, MN
We repair and replace furnaces, air conditioners, heat pumps, boilers and ductless mini-splits in Richfield and across Hennepin County. Every visit starts with a $79 trip charge and a written price before any work, and the $79 is waived when you go ahead with the repair.
- County
- Hennepin County
- ZIP code
- 55423
- Natural gas
- CenterPoint Energy
- Electric
- Xcel Energy
- From downtown Minneapolis
- about 7 miles
Updated September 23, 2026
What HVAC problems do we see most in Richfield?
- Replacing central AC installed through the airport noise program
- Right-sizing furnaces for sound-insulated, tighter houses
- Humidity control and fresh-air ventilation in tight homes
- Compact furnace swaps in low 1940s and 50s basements
Around town: Wood Lake Nature Center · Veterans Memorial Park · Best Buy headquarters · Penn Avenue · Interstate 494
Book in RichfieldWhat are Richfield homes like to heat and cool?
Richfield grew from under 4,000 people in 1940 to more than 42,000 by 1960, and most of its roughly 10,000 single-family houses went up in the 1950s as farmland was sold to build homes for returning veterans. About 5,000 apartments followed in the 1960s and early 1970s. Houses of that vintage are small and simple: a basement furnace, a trunk duct down the middle, short runs to each room, and no central air until someone added it.
Many have been remodeled since, and some replaced outright; the city's Richfield Rediscovered program has encouraged turning small postwar houses into larger ones. An addition or a new second story changes the heating and cooling load in a hurry. A furnace sized for the original one-story house can come up short once the floor area doubles, and ducts that never reached the new space need extending, or the addition needs its own system.
Winter in Richfield
The upstairs rooms of a Richfield story-and-a-half are the hard ones in January. They sit under the roof with knee walls on either side, and the space behind those knee walls is often barely insulated, so the rooms lose heat on three sides. One small supply, if there is one, can't keep up below zero. Air sealing and insulating the knee-wall attic usually does more than a bigger furnace, and any duct running through that cold space should be sealed and wrapped.
Summer in Richfield
The airport noise program added central air to many Richfield houses near the flight paths, which lets owners keep windows shut against jet noise, and in those houses the AC tends to carry the whole summer. That makes a clean coil and a correctly set blower speed more important here. Lots are narrow, so the condenser often sits a short distance from a neighbor's bedroom window. A two-stage or variable-speed condenser is quieter at low speed, which neighbors notice on a July night.
Which utilities and rebates apply in Richfield?
Richfield is CenterPoint Energy gas territory and Xcel Energy electric territory. CenterPoint's furnace and boiler rebates let you pick your own dealer, with the application filed in the same calendar year as the install. Xcel's AC and heat pump rebates are the ones to ask about registered-contractor requirements. If an addition or remodel is part of the plan, the city offers Richfield homeowners a free Remodeling Advisor visit through the Center for Energy and Environment, which can help sequence the work.
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.
Most-requested in Richfield
Furnace repair in Richfield Richfield furnace repair starts with a $79 trip charge, which comes off when you approve the repair, and the flat-rate price goes in writing before we begin. Furnace replacement in Richfield Putting a new furnace in a Richfield house costs $4,500–$9,500 installed with us. AC repair in Richfield AC repair in Richfield costs $79 to start, and that trip charge is waived when you approve the work. AC replacement in Richfield A new central air system in Richfield costs $5,200–$9,800 installed with us, flat-rate and in writing.
All services in Richfield
Richfield HVAC questions
Who repairs furnaces and air conditioners in Richfield, MN?
Central Minnesota Heating and Cooling serves Richfield and the rest of Hennepin County, about 7 miles from downtown Minneapolis. We repair and replace furnaces, central air, heat pumps, boilers and ductless mini-splits, and we're open 7 days, 7am–9pm. Call 612-429-3465.
How much does an HVAC service call cost in Richfield?
A flat $79 trip charge, waived when you approve the repair. Written price before any work; same prices in every town we serve. Installed prices are on our pricing page.
My Richfield house got central air through the airport noise program. Is it time to replace it?
If the work was done in the 1990s or 2000s, probably. Those systems are now 20 to 30 years old, and many run on R-22, which has not been produced since 2020. When you replace it, remember the program also added windows, insulation and baffles, so the house is tighter than its age suggests. A Manual J load calculation often lands on a smaller system than the one you have.
Our sound-insulated Richfield house gets frost on the windows in winter. Can the HVAC fix that?
Partly. Frost and condensation mean indoor humidity is too high for the outdoor temperature. In Minnesota cold, keep relative humidity around 25–35% and lower in deep cold, so turn a furnace humidifier down as it gets colder. A tight house also traps moisture from cooking and showers, and an HRV or ERV brings in fresh air while exhausting stale, damp air.
We're adding a second story to our Richfield rambler. Can the old furnace handle it?
Probably not without changes. A second story can nearly double the floor area, and a furnace sized for the original house will run constantly or fall short. Plan the HVAC with the designer before framing: a Manual J for the finished house, a route for supply and return ducts up through the walls, or a separate system for the new floor. Retrofitting ducts after the drywall goes up costs far more.
Will a new furnace and AC coil fit in our low Richfield basement?
Usually, but height is the limit. An upflow furnace with a cased coil on top and the plenum above it can outgrow a low 1940s or 50s basement ceiling. We measure before quoting and choose a shorter cabinet or a low-profile coil when needed, sometimes reworking the plenum connection. Service clearance in front matters too, since a furnace that can't be opened easily costs more to maintain over its life.
Also serving near Richfield
- Bloomington, MN 3 mi
- Edina, MN 3 mi
- St. Louis Park, MN 6 mi
- Minneapolis, MN 7 mi
- Hopkins, MN 7 mi
- Mendota Heights, MN 7 mi
- Savage, MN 8 mi
- Eagan, MN 8 mi
Guides for Richfield homeowners
What Does It Mean When a Furnace Is Red-Tagged?
A red tag means a technician or the gas utility found your furnace unsafe and shut it off. Common reasons, what not to do, and how to get a second opinion.
Read the guideSEER2 vs SEER: What the New AC Rating Means
SEER2 replaced SEER on January 1, 2023 under a tougher DOE test, so the numbers read lower. What it measures, Minnesota's 13.4 minimum, and what's worth buying.
Read the guide- How Long Does a Furnace Last in Minnesota?Heating
- Can You Run a Furnace Without a Filter? What Happens and What to DoMaintenance
- Switching From Propane to a Heat Pump in Rural MinnesotaHeat Pumps
Brands we service in Richfield: AirEase · Amana · American Standard · Ameristar · Aprilaire · Arcoaire · Armstrong Air · Bosch · Broan-NuTone · Bryant · Buderus · Burnham · Carrier · Champion · Coleman · Comfortmaker · Concord · Daikin · Day & Night · Ducane · ecobee · Frigidaire · Fujitsu · Gibson · Goodman · Google Nest · Gree · Heil · Honeywell Home · Lennox · LG · Lifebreath · Lochinvar · Luxaire · Maytag · Midea · Mitsubishi Electric · MrCool · Navien · NTI · Payne · Peerless · Rheem · Rinnai · RunTru · Ruud · Samsung · Santa Fe · Tempstar · Trane · Triangle Tube · Utica Boilers · Viessmann · Weil-McLain · Westinghouse · York
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Heat out in Richfield? Call or send a request.