York Furnace Error Codes: What the Flashes Mean
York furnace error codes from the TM9E installation manual: what 1 to 11 red and 4 amber flashes mean, how to read the LED safely, and when to call.
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Central Minnesota Heating and Cooling repairs and replaces furnaces, ACs, heat pumps and boilers in Falcon Heights (Ramsey County), about 4 miles from downtown Minneapolis.
Two-thirds of Falcon Heights is public land, mostly the University of Minnesota's St. Paul campus and the State Fairgrounds, so the city's houses fill a few neighborhoods spreading out from Snelling and Larpenteur avenues, plus the university's own University Grove.
Updated October 21, 2026 · By Eric Brown, owner, Central Minnesota Heating and Cooling

Around town: Minnesota State Fairgrounds · University of Minnesota St. Paul campus · Gibbs Farm · Curtiss Field · Larpenteur Avenue. Neighborhoods: University Grove
Book in Falcon HeightsHeman Gibbs farmed here from the 1850s near today's Cleveland and Larpenteur avenues, and his homestead is now the Gibbs Farm museum. From the 1910s to the 1930s the corner of Snelling and Larpenteur was Curtiss Northwest Airport. Houses started going up in the 1920s southeast of that corner, and in 1936 the Keller Corporation bought land owned by 3M secretary John Cable, platted Falcon Heights and built its first house the next year. After World War II the fields northeast of the intersection filled quickly, and in 1949 residents voted to incorporate rather than be annexed by Roseville or Saint Paul.
The 1960s and 1970s filled the remaining pockets to the west that the university didn't own. University Grove, begun by the university in 1928, is a separate story: 103 homes, each designed by an architect, on land the university leases to the owners. In 2003 a 50-year-old shopping center at the southeast corner of Snelling and Larpenteur came down for Falcon Heights Town Square's apartments and townhomes.
The university's open test fields and golf course, plus the fairgrounds, give winter wind a long run before it reaches the houses on their edges. Houses built from the 1920s through the 1950s let that air in at the rim joist, the attic hatch, old windows and around the chimney. The furnace runs long and the windward rooms stay cold anyway. Air sealing and attic insulation first, then a furnace sized for the tighter house, usually beats a bigger furnace.
Few houses built before the 1950s came with central air, and cooling in Falcon Heights' older homes was added later, if at all. Where a house heats with radiators, there are no ducts to cool through, so the choice is ductless heads or a small-duct high-velocity system that threads flexible tubing through closets and attic space without opening plaster walls. In the postwar blocks the cooling coil sits on a basement furnace, and rooms at the far end of a long trunk warm up first in a heat wave. University Grove homes vary house by house.
A high-efficiency gas furnace can earn an Xcel rebate, and Xcel's heat pump rebates generally run through its Trade Partner Network contractors, so ask about that first. Offers change during the year and a rebate can't exceed what the installation cost, so get the equipment and contractor requirements in writing before you sign, and we'll confirm them for your address when we quote.
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 Falcon Heights and nearby towns in Ramsey County, about 4 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 Falcon Heights 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. University Grove's 103 homes were each designed individually, so we expect the duct routes, venting and mechanical space to be one of a kind. We start by tracing what's there: where the supply and return runs go, how the house vents, and which rooms the system never reached. Ductless heads often solve rooms ducts can't, and your ground lease with the university may cover exterior changes, so check it before new equipment goes outside.
Rarely. In houses of that age the usual culprit is airflow: an undersized or leaky return, long supply runs and little insulation above the second floor. We measure airflow and static pressure first, then look at return size, duct sealing and attic insulation. A new air conditioner sized by Manual J, not the old nameplate, comes after that, and it is often smaller than the unit it replaces.
No. Falcon Heights is its own city, even where a 55108 mailing address reads St. Paul. The city lists Xcel Energy for gas and electricity, so Xcel's rebates are the ones that apply, while water and sewer billing goes through Saint Paul Regional Water Services. Mechanical permits come from the City of Falcon Heights, with inspections scheduled through the City of Little Canada under contract. A mechanical permit is normally required on replacements and is listed on your written quote.
Not that we've seen. The plan, built through Xcel's Partners in Energy program, led to an Energy Action Hub that points residents to existing programs, like Home Energy Squad visits run by the Center for Energy and Environment. Equipment rebates are Xcel's standard ones for high-efficiency gas furnaces, central air and heat pumps, some needing a Trade Partner Network contractor. A Home Energy Squad visit first can also shrink the equipment a Manual J calls for.
York furnace error codes from the TM9E installation manual: what 1 to 11 red and 4 amber flashes mean, how to read the LED safely, and when to call.
Read the guideStatic pressure is the resistance your blower pushes against in the ducts and filter. Why it matters for a new furnace or AC, the symptoms and the fixes.
Read the guideTank or tankless water heater in Minnesota? Gas tankless runs $2,100–$5,600 installed nationally. Cold inlet water, gas and venting needs, and furnace timing.
Read the guideBrands we service in Falcon Heights: Carrier · Trane · Lennox · Goodman · Rheem · Mitsubishi Electric · Daikin · American Standard · Navien · Weil-McLain · and every other major brand
Heat out in Falcon Heights? Call or send a request.