Furnace Won't Ignite: Find Where the Startup Stops
Furnace clicking but not lighting? Follow a technician's startup sequence, from power and inducer to igniter, gas and flame sensor, then call 612-429-3465.
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Furnace repair in Shorewood starts with a $79 trip charge, waived when you approve the repair, on wooded lots where needles clog PVC vents. Shorewood furnaces on wooded lots collect leaves and needles in their PVC vents, and mice move in each fall.
Away from the lakeshore, Shorewood furnaces sit in the basements of 1950s through 1980s ramblers, split-levels and walkouts, most on their second or third furnace. The failures are ordinary for that age: igniters, flame sensors, inducers, blower motors. The setting adds its own twist. Wooded lots mean leaves, seed pods and needles blowing into PVC intake pipes, and mice looking for a warm spot in fall, which chew wiring and nest in blower compartments and intake runs.
Lakeshore houses are more varied. Older homes that grew additions often have a furnace working harder than it should, and the newer builds with walkout lower levels facing the lake frequently run two furnaces, one for the main floors and one below. Lake-facing walls take the wind in January, and a termination on that side can frost over during a cold snap. On the islands, we plan parts and access ahead so a repair isn't held up. Gas here is CenterPoint Energy's.
Updated November 10, 2026
National averages (HomeGuide, 2026), not our prices: a variable-speed (ECM) blower motor $800–$2,300, an igniter $100–$250, a flame sensor $80–$250. More in the furnace repair cost guide.
Symptom guides: Burning smell · Red tag · Carbon monoxide · Blowing cold air · Signs your furnace needs a technician
More than you'd think. Mice chew wiring insulation, which can short a control board or a sensor, and they nest in the blower compartment, the burner area and sometimes the PVC intake, which chokes airflow. Droppings and nesting material end up in the air stream too. We check wiring, clean out nests, test the safeties, and look at the intake screen and any gaps in the cabinet. On wooded lots, fall is when they move in.
Not necessarily. Wind off the lake strips heat from lake-facing walls and large windows, and a house that has grown additions may have more heat loss than the furnace was sized for. A clogged filter, a weak blower or a failing inducer can also stretch run times. We check the temperature rise, the filter and the burners. When the furnace is healthy but outmatched, a Manual J shows how short it falls.
Furnace clicking but not lighting? Follow a technician's startup sequence, from power and inducer to igniter, gas and flame sensor, then call 612-429-3465.
Read the guideTrane 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.
Read the guideA 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 guideHeat out? AC quit? Call or send a request.