Lennox Furnace Error Codes: Blinking Lights and Alerts
Lennox furnaces report faults through DS1 and DS2 blinking lights and S30 or iComfort alerts. Learn what they mean and which checks are safe before you call.
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Heating & Cooling in Becker, MN
Central Minnesota Heating and Cooling repairs and replaces furnaces, ACs, heat pumps and boilers in Becker (Sherburne County), about 41 miles from downtown Minneapolis.
HVAC service in Becker, MN
Becker lies between the Mississippi and Elk rivers and is home to Xcel Energy's Sherburne County Generating Station, the coal plant Xcel is retiring in stages, with its last unit scheduled to close in 2030.
- County
- Sherburne County
- ZIP code
- 55308
- Natural gas
- Xcel Energy
- Electric
- Xcel Energy
- From downtown Minneapolis
- about 41 miles
Xcel's own list shows Becker city with both gas and electric service; out in Becker Township, CenterPoint Energy is also listed for gas, so check your bill if you live outside the city.
Updated November 10, 2026 · By Eric Brown, owner, Central Minnesota Heating and Cooling
What HVAC work do we do most in Becker?
- Replacing early-1990s air conditioners that still run on R-22
- First or second furnace replacements in 1990s–2000s ramblers and split-entries
- Heat for pole sheds and detached garages on acreage lots
- Humidifier and filtration upgrades in tighter 2000s homes
Around town: Sherburne County Generating Station (Sherco) · Mississippi River · US Highway 10 · Pebble Creek Golf Course · Becker City Park
Book in BeckerWhat are Becker homes like to heat and cool?
Becker spent most of its history as a village of a few hundred people. It was platted in 1867 and still had fewer than 400 residents in 1970. The big change came in the 1990s, when the population nearly tripled, from about 900 to 2,700, and the 2000s added another 1,800. So Becker has very few houses from the middle of the century, a small older core, and a large share of homes built within a twenty-year window.
The 1990s houses, mostly ramblers and split-entries, typically went in with builder-grade furnaces and R-22 condensers, and many are due for or past their first replacement. The 2000s homes include more two-stories, some with a room over the garage, and 90%+ furnaces vented in PVC. Split-entries from both decades put two or three bedrooms half below grade, a layout that shapes how the house heats and cools.
What goes wrong with heating in Becker in winter?
Becker's split-entries put the lower-level bedrooms half below grade, with supply registers in the ceiling and often a single return at the bottom of the stairs. Cold concrete walls and ceiling registers make those rooms the coldest in the house in January, because warm air from the ceiling stays near the ceiling. Insulating the rim joist, adding a low return in the lower hallway and setting the dampers to send more air downstairs in winter all help. On acreage, check the flues on pole-shed unit heaters before the first cold week.
What goes wrong with cooling in Becker in summer?
The room over the garage that some Becker two-stories have flips in July: a sun-baked roof above, a hot garage below and one long supply duct that can't keep up, usually with no return. Sealing and insulating that duct, adding a return, or giving the room a ductless head works better than turning the thermostat down for the whole house. Elsewhere in Becker's 1990s and 2000s homes, summer trouble is mostly original condensers wearing out, so a spring check before the first hot week pays off.
Which utilities and rebates apply in Becker?
Xcel's gas furnace rebate points to a participating contractor, and its ducted heat pump rebates call for a Trade Partner Network contractor, so ask before you buy. Xcel's AC Rewards program pays an annual reward for a connected smart thermostat, and Saver's Switch is open to central air customers.
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 Becker
Furnace repair in Becker Many Becker furnaces date from the 1990s growth years, and some early-1990s houses still run their original one. Furnace replacement in Becker In Becker, a replacement furnace costs $4,500–$9,500 installed with us, sized by Manual J. AC repair in Becker We fix air conditioners across Becker, city and township, and the price is in writing before work starts. AC replacement in Becker A new central air system in Becker costs $5,200–$9,800 installed with us, including a coil matched to the R-454B or R-32 outdoor unit.
More HVAC services we offer
Becker HVAC questions
Who repairs furnaces and air conditioners in Becker, MN?
Central Minnesota Heating and Cooling, owned by Eric Brown and in business since 2009, serves Becker and nearby towns in Sherburne County, about 41 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 Becker?
An HVAC service call in Becker 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.
Our 1993 Becker rambler still has its original AC. Is it worth recharging?
Probably not. An air conditioner from the early 1990s almost certainly uses R-22, which has not been produced or imported since 2020, so a recharge means reclaimed refrigerant at a steep price, and a leak will need another one next summer. If the system is low, a replacement with a matched indoor coil usually makes more sense. We give you a written price for both options.
Does being on Xcel for both gas and electric make rebates simpler in Becker?
Yes, inside city limits, where Xcel Energy supplies both, so furnace, air conditioner, heat pump and smart thermostat rebates all come through one utility with one set of rules for that year. Addresses outside the city can differ, because CenterPoint also lists Becker Township for gas. Either way, ask whether the rebate needs a registered contractor.
We live on acreage outside Becker. Can one propane tank run the house and a shop heater?
Often, yes, if the tank, regulators and gas lines are sized for both loads. Your propane supplier owns or sets the tank and regulators, so we give them the combined input of the furnace, water heater and shop heater, and they confirm the setup. The line to the shop has to be sized for its length and load, and the unit heater vented properly to the outside.
Our 1990s Becker house needs a new air conditioner. Should we get a heat pump instead?
A heat pump is worth pricing. A heat pump costs more than a straight AC but also heats, and paired with your gas furnace as dual fuel it carries the house through milder weather while the furnace takes over in deep cold. Inside the city, Xcel supplies both fuels, so the changeover point can be set from your own rates. Check Xcel's current heat pump rebate rules first, since they include contractor requirements.
Also serving near Becker
- Monticello, MN 7 mi
- Big Lake, MN 8 mi
- Maple Lake, MN 13 mi
- Annandale, MN 15 mi
- Otsego, MN 15 mi
- Albertville, MN 15 mi
- Buffalo, MN 15 mi
- Elk River, MN 16 mi
Guides for Becker homeowners
Why Is the Fan on My Outdoor AC Unit Not Spinning?
Outdoor AC fan stopped while the unit hums? Usually a capacitor, fan motor or contactor. Why to shut it off now, safe checks, and typical repair costs.
Read the guideWhy Is My Thermostat Screen Blank?
A blank thermostat screen usually means lost power: dead batteries, a breaker that is off, a blown board fuse or a condensate float. What to check first.
Read the guide- What Is a Manual J Load Calculation?Heating
- Can a Furnace Leak Carbon Monoxide? How It HappensHeating
- Is Lennox PureAir S Worth It? What It Does and Who It FitsAir Quality
Brands we service in Becker: Carrier · Trane · Lennox · Goodman · Rheem · Mitsubishi Electric · Daikin · American Standard · Navien · Weil-McLain · and every other major brand
Contact Us
Heat out in Becker? Call or send a request.