Trane and American Standard Furnace Error Codes
Trane and American Standard furnaces share one control board and flash chart in the maker's guide. See each code, how to read it safely, and when to call.
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Heating & Cooling in Cottage Grove, MN
Central Minnesota Heating and Cooling repairs and replaces furnaces, ACs, heat pumps and boilers in Cottage Grove (Washington County), about 19 miles from downtown Minneapolis.
HVAC service in Cottage Grove, MN
Cottage Grove, home to 38,839 people in the 2020 census, runs from the Mississippi River up across farm-country hills, and 3M has operated a plant here since 1947.
- County
- Washington County
- ZIP code
- 55016
- Natural gas
- Xcel Energy
- Electric
- Xcel Energy
- From downtown Minneapolis
- about 19 miles
Updated October 27, 2026 · By Eric Brown, owner, Central Minnesota Heating and Cooling
What HVAC work do we do most in Cottage Grove?
- Replacing 1960s and 1970s split-level furnaces and adding a lower-level return
- Swapping builder-grade 2000s furnaces and condensers as a matched set
- Sizing replacements with a Manual J instead of copying an oversized builder nameplate
- Propane-to-natural-gas furnace conversions where a gas line is available
Around town: Cottage Grove Ravine Regional Park · Mississippi River · U.S. Highway 61 · River Oaks Golf Course · 3M Cottage Grove plant
Book in Cottage GroveWhat are Cottage Grove homes like to heat and cool?
Cottage Grove's suburban history starts with Thompson Grove. Orrin Thompson Homes built that subdivision south of Highway 61, and most of the 1960s neighborhoods that followed came from the same builder: single-story ramblers, typically with a detached one-car garage, a basement furnace and a chimney shared with the water heater. The houses are compact and easy to work in, and most have been through two or three furnaces and at least one central air system since.
Split-levels arrived in the 1970s, and a second growth wave after 2000 brought two-story subdivisions with builder-grade condensing furnaces and air exchangers, now nearing their first replacement. Out past the subdivisions, older farmhouses have grown by additions over the decades, and each addition may have its own heat: a furnace in the original basement, baseboard in a newer wing, sometimes a wood stove, all on propane or electricity where gas never reached.
What goes wrong with heating in Cottage Grove in winter?
East of its neighborhoods, Cottage Grove still borders open farm fields, and winds off them drift snow against side-wall vents and heat pumps on the subdivision houses along the edge. In Thompson Grove and the other 1960s blocks, the common January call is an aging furnace in a small basement, venting into a chimney that has seen 60 winters. Farmhouses on propane need the delivery truck to reach the tank, so keep the driveway and tank path plowed.
What goes wrong with cooling in Cottage Grove in summer?
Newer two-stories on the edges of Cottage Grove sit on open lots with young trees and little shade, so west-facing bedrooms heat up through the afternoon and the upstairs runs warm. In the 1960s ramblers, central air was added to a furnace and ducts designed for heat, and a coil too large for the old blower leaves the house cool but clammy. Matching the coil to the blower's airflow fixes that more reliably than a bigger condenser.
Which utilities and rebates apply in Cottage Grove?
Cottage Grove is an Xcel Energy town for both gas and electricity, so one utility's programs cover the whole job. Xcel offers heating equipment rebates for high-efficiency gas furnaces, heat pump rebates through its Trade Partner Network, and a Make the Switch to Natural Gas program worth a look for farmhouses still on propane. Several Xcel measures need a registered contractor, so ask before you buy. AC Rewards pays an annual reward for letting Xcel adjust a connected smart thermostat on peak days.
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 Cottage Grove
Furnace repair in Cottage Grove Older furnaces in the Highway 61 ramblers and split-levels vent into basement chimneys, many shared with the water heater. Furnace replacement in Cottage Grove Replacing a furnace in Cottage Grove runs $4,500–$9,500 installed, written flat-rate, sized by Manual J for the Highway 61 ramblers. AC repair in Cottage Grove Builder-grade condensers in the post-2000 subdivisions are at the age when capacitors, fan motors and coils start failing. AC replacement in Cottage Grove We install replacement central air in Cottage Grove for $5,200–$9,800, with a Manual J setting the tonnage and a written flat-rate quote. Heat pumps in Cottage Grove In Cottage Grove, a heat pump costs about $7,500–$14,500 installed, priced flat in writing, usually paired with the Xcel gas furnace. Mini-splits in Cottage Grove A ductless mini-split in Cottage Grove runs about $4,200–$12,500 installed, depending on the number of heads. Tune-ups in Cottage Grove A Cottage Grove furnace or AC tune-up is $129 per system, or $219 when we service both together, with a combustion check on the furnace.
More HVAC services we offer
Cottage Grove HVAC questions
Who repairs furnaces and air conditioners in Cottage Grove, MN?
Central Minnesota Heating and Cooling, owned by Eric Brown and in business since 2009, serves Cottage Grove and nearby towns in Washington County, about 19 miles from downtown Minneapolis. We're open 7 days, 7am–9pm, and no-heat calls get priority. Call 612-429-3465.
How much does an HVAC service call cost in Cottage Grove?
An HVAC service call in Cottage Grove 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.
The furnace in our 2000s Cottage Grove house seems too big. Is that common?
Oversized furnaces are fairly common. Builders often sized equipment by square footage with a generous margin, so furnaces and condensers can be larger than the house needs. Oversized equipment short-cycles: quick blasts of heat, uneven rooms, and an AC that cools without drying the air. When it's time to replace, we run a Manual J on the actual house and often end up a size smaller.
Is a two-stage furnace worth it in a Cottage Grove split-level?
In a split-level, usually yes. The low stage runs longer and quieter, which moves air to both levels more evenly and softens the warm-upstairs, cool-downstairs swing that single-stage units make worse. Paired with a variable-speed blower, the same equipment helps in summer too. For a small rambler with simple ductwork, a single-stage furnace is often enough.
Our Thompson Grove rambler has a detached garage. How do we heat it in winter?
Usually a gas unit heater hung from the ceiling, with a gas line trenched from the house and a circuit for the fan. National cost guides such as HomeGuide put an installed natural gas garage heater at $500–$2,000 or more and a new gas line at $350–$2,000. A separated-combustion model that draws its air from outside suits a space with cars and fuel cans. Insulating the walls and door first lets a smaller heater do the job.
Our older Cottage Grove farmhouse has been added onto several times. Where do we start?
With the whole house, not one unit. Farmhouses often grew in pieces, so the original basement furnace may feed only part of the house while a later wing runs on baseboard or a wall heater and a porch has nothing. We map what heats each area, check the fuel supply and venting, then build one plan from a load calculation. Sometimes a ductless heat pump for the addition beats extending old ductwork.
Also serving near Cottage Grove
- St. Paul Park, MN 2 mi
- Newport, MN 4 mi
- Inver Grove Heights, MN 5 mi
- South St. Paul, MN 6 mi
- Woodbury, MN 7 mi
- Hastings, MN 7 mi
- Prescott, WI 9 mi
- Maplewood, MN 9 mi
Guides for Cottage Grove homeowners
AC Replacement Cost in Minnesota (2026)
Central AC replacement in Minnesota runs $5,200–$9,800 installed with us in 2026. What moves a quote, R-22 systems, and when to repair or go heat pump.
Read the guideGas Line Installation Cost for a Furnace or Heater
A gas line for a furnace, garage heater or range runs $350–$2,000 nationally. How pipe is sized to the BTU load, and the permit and pressure-test steps.
Read the guide- AC Refrigerant Recharge Cost in Minnesota (R-410A and R-22)Pricing
- Bryant Evolution vs Legacy Furnaces: What You Pay ForHeating
Brands we service in Cottage Grove: Carrier · Trane · Lennox · Goodman · Rheem · Mitsubishi Electric · Daikin · American Standard · Navien · Weil-McLain · and every other major brand
Contact Us
Heat out in Cottage Grove? Call or send a request.