A furnace that won't ignite, short-cycles, or trips its limit switch repeatedly needs more than a reset — it needs a technician checking the ignitor, flame sensor, and heat exchanger. Every Furnace Repair visit includes a carbon monoxide safety check as a standard part of the job, not an upsell.

Furnace failures cluster heavily around a handful of parts — ignitors, flame sensors, gas valves, and heat exchangers — and most no-heat calls come down to one of those four. Each gets tested with real equipment — multimeter, microamp readings, combustion analysis — instead of parts-cannon guessing.
Safety and accuracy on every heating call.
A CO safety check with a combustion analyzer is part of every visit, not an optional add-on.
We bump no-heat calls ahead of routine work when temperatures drop, especially in peak winter.
You approve a fixed repair price before any part is replaced, whether it's an ignitor or a heat exchanger.
Whether the furnace runs on gas or electric heat strips, our techs are trained on both, so the fuel type never determines who gets sent.
Six repairs that cover most of our winter service calls.
Cracked ignitors and carbon-fouled flame sensors account for a large share of no-heat calls, and both are usually same-visit fixes.
Gas valve testing means checking actual response and pressure output, since these parts are costly enough to warrant confirming the fault first.
A cracked heat exchanger is a genuine safety issue that can leak combustion gases into the airflow — we inspect with a camera and combustion analyzer rather than assuming based on age alone.
A furnace that short-cycles or shuts down mid-cycle often points to a tripped limit switch or failing blower — we test both before condemning the control board.
Older furnaces with standing pilots have their own failure points — thermocouples, pilot orifices, draft issues — that we're equipped to handle that newer ignition systems don't have.
A furnace that won't respond at all to the thermostat is sometimes a wiring or control issue, not a furnace failure — we rule this out early to avoid overcharging for parts you don't need.

Four steps, safety checked at every one.
Tell us what the furnace is doing and we'll route the closest technician.
Truck arrives stocked with common ignitor, flame sensor, and control board parts ready to diagnose and often repair on the spot.
We run the safety and diagnostic checks first, then present a flat-rate quote for your approval.
Most furnace repairs are completed same-visit, with a final CO safety check before the tech leaves, backed by our labor warranty.
Feedback from completed furnace repairs.
Furnace kept shutting off every twenty minutes. The tech found a dirty flame sensor and cleaned it, been running fine for two months now.
— B. Halloran, homeowner
They caught a hairline crack in the heat exchanger during a routine repair call and walked me through the safety concern honestly, not to upsell.
— V. Ashworth, homeowner
No heat during the coldest week of the year, they got someone out same day and had it fixed within an hour, ignitor replacement.
— Q. Delrio, homeowner
Old standing pilot furnace that most companies don't want to touch anymore. They knew exactly what they were doing, thermocouple was the issue.
— E. Vantassel, homeowner

What Caledonia customers ask most.
A furnace that clicks or hums but never lights is a strong sign of an ignitor issue, but we confirm with a resistance test before quoting.
It's a genuine safety concern since it can let combustion byproducts into the airflow, so we take the inspection seriously and won't operate a confirmed-cracked unit.
Yes, a combustion analyzer reading is part of every Furnace Repair service, included in the visit, no extra charge.
We still service standing-pilot units, including thermocouple and draft-related repairs.
No-heat calls get priority routing, typically same-day during winter demand even during high-demand cold weather.
Most common parts — ignitors, flame sensors, control boards — are stocked, but rare parts may need next-day ordering to complete the repair.
Our furnace repair coverage spans Caledonia and the nearby Caledonia, IL zip codes listed below — call to confirm availability.
Call +1-844-611-2875