Furnace Won't Ignite: Find Where the Startup Stops
Furnace clicking but not lighting? Follow the startup sequence a technician uses: thermostat, power, inducer, pressure switch, igniter, gas and flame sensor.
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Furnace Repair in Rosemount, MN
We handle furnace repair throughout Rosemount for a $79 trip charge, waived when you approve the repair, with the flat-rate price put in writing before work starts. Our hours are 7am–9pm, seven days. Most newer Rosemount homes run 90%-plus furnaces with PVC venting, and condensate problems start a lot of winter calls.
Furnace repair calls in Rosemount homes
Rosemount's housing is mostly young, and so are its furnace problems. Homes from the 1980s and 90s are on their second furnace, while post-2000 two-stories and walkouts carry original condensing furnaces now old enough for inducer bearings, igniters and pressure switches to fail. On those furnaces, condensate is the recurring theme: a trap that plugs, a drain line that sags and holds water, a condensate pump in a finished lower level that quits and trips the float switch.
The tight post-2000 houses have an air exchanger tied into the ductwork, and an HRV or ERV that's out of balance can make a furnace seem to misbehave, with cold air at a register or a house that won't hold temperature. Open lots near farm fields and UMore Park take hard wind, so PVC terminations frost or drift over. Rural parcels run propane furnaces. Gas comes from either Xcel Energy or Minnesota Energy Resources depending on the address.
Updated September 23, 2026
How much does furnace repair cost in Rosemount?
Every furnace repair call in Rosemount starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Rosemount as in every town we serve. National averages (HomeGuide, 2026), not our prices: a flame sensor $80–$250, a pressure switch $150–$400, a limit switch $100–$375. More in the furnace repair cost guide.
Signs your furnace needs a technician
- The inducer starts, the igniter glows, then the burners never light
- The burners light for a few seconds and shut off, over and over
- The furnace runs but the vents blow cool air
- A blinking code on the control board, or the furnace has locked out
- Your CO alarm went off or the burner flames look lazy and yellow
- New banging, squealing or grinding when the furnace starts
- Water pooling around a high-efficiency furnace
More detail on our furnace repair page.
Symptom guides: Blowing cold air · Won't ignite · Short cycling · Blinking light codes · Pressure switch trips · Strange noises · Leaking water · Burning smell · Red tag · Carbon monoxide
Furnace repair in Rosemount: questions
Why does the furnace in our finished Rosemount walkout gurgle when it runs?
Almost always condensate. A condensing furnace makes water in its heat exchanger and vent, and the gurgle is that water fighting the inducer's suction in a trap or hose that isn't draining freely. Common causes are a partly plugged trap, a sag in the PVC vent that holds water, or a drain hose kinked behind a finished wall. Left alone it can trip the pressure switch. Cleaning the trap and correcting the slope usually quiets it.
Our Rosemount house has an air exchanger tied into the furnace. Can that cause furnace trouble?
It can. Most HRVs and ERVs in Rosemount homes connect to the furnace's return duct, so their airflow and the furnace's are linked. A frozen or clogged core, or one fan quitting, can unbalance the house, drop fresh-air flow, or send cold air across the furnace in deep cold. When the two share controls, a fault in one can look like trouble in the other. We check both on a repair call.
More in Rosemount
- Furnace replacement in Rosemount
- AC repair in Rosemount
- AC replacement in Rosemount
- All HVAC service in Rosemount
Furnace repair near Rosemount
- Apple Valley, MN 5 mi
- Eagan, MN 5 mi
- Farmington, MN 7 mi
- Burnsville, MN 8 mi
- Inver Grove Heights, MN 8 mi
- Lakeville, MN 9 mi
Brands we repair
Guides on furnace repair
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Furnace repair in Rosemount? Call or send a request.