Furnace Flame Sensor Repair Flagstaff AZ for No-Heat Calls
Dirty sensor cleaned, tested, and firing again the same day
Furnace Flame Sensor Repair Flagstaff AZ is the fastest way to stop a furnace that lights, runs a few seconds, then quits. We clean or replace the sensor, verify microamp readings with a flame sensor tester, and confirm the burner stays lit through a full cycle. If your heat cut out overnight in Coconino Estates or Elden Hills, call (928) 270-0357 and we will get you warm today.
What Furnace Flame Sensor Repair Flagstaff AZ Involves
Furnace Flame Sensor Repair Flagstaff AZ is a diagnostic and repair service that restores the safety signal telling your furnace a burner flame is actually lit. The sensor is a short metal rod sitting in the burner flame. It generates a tiny microamp current, usually between 2 and 6 microamps. When that signal drops, the control board shuts the gas valve within 3 to 7 seconds to prevent unburned gas from collecting. We pull the sensor, test it with a multimeter and flame sensor tester, then clean or replace it.
Most no-heat calls we run in Flagstaff trace back to a flame sensor that is dirty, cracked, or misaligned rather than a dead furnace. High-altitude combustion here runs leaner, and dust from our dry spring winds coats the rod faster than in lower-elevation cities. If your furnace starts, runs 5 to 10 seconds, and shuts off, that is the classic signature. We also see it after a summer of disuse, when a furnace sits idle for months and the sensor oxidizes. Book flame sensor repair Flagstaff homeowners can count on before the first hard freeze.
Why Flagstaff Homeowners Choose Sensor Repair
A flame sensor is a $15 to $60 part, but a failed one takes your whole heating system offline. Fixing the sensor instead of guessing at bigger components keeps money in your pocket and heat in your house.
Heat Back the Same Day
We stock flame sensors for Carrier, Trane, Lennox, Goodman, Rheem, Bryant, York, and Amana furnaces on the truck. That means most Flagstaff calls are diagnosed and repaired in one visit, usually within 2 to 4 hours of arrival. You are not waiting days for a part order while the house sits at 48 degrees.
Accurate Microamp Testing
We do not just wipe the rod and hope. Our technicians read the flame signal in microamps and compare it to the manufacturer spec, which is typically 2 to 6 microamps. If the reading is low after cleaning, the sensor gets replaced. That one test separates a real repair from a callback.
Stops Repeat Short Cycling
A weak flame signal makes a furnace lock out, reset, and try again, sometimes 3 to 5 times an hour. That cycling wears the igniter, inducer motor, and control board. Correcting the sensor signal at the source ends the cycle and protects the parts that cost real money to replace.
Safety-First Diagnostics
Every flame sensor visit includes a carbon monoxide check and a visual inspection of the heat exchanger and limit switch. If we find a cracked exchanger or a tripping limit switch, you hear about it before we leave. Gas work is not the place to skip steps, and we do not.
Our Flame Sensor Repair Process
You get a clear sequence from the first phone call to the final test cycle. No mystery, no waiting around wondering what the technician is doing in the mechanical closet.
Phone Triage
When you call (928) 270-0357, we ask three questions: does the furnace ignite at all, how long does it run before shutting off, and what brand is it. Those answers tell us whether to load a Honeywell or White-Rodgers sensor before we roll. Most calls get a same-day window.
On-Site Diagnosis
We pull the burner door, watch a full ignition sequence, and time how long the flame holds. Then we shut the gas, remove the sensor with a nut driver set, and inspect the rod for carbon buildup, cracks, or a bent tip. This takes 15 to 25 minutes.
Testing and Cleaning
We test the sensor with a multimeter and flame sensor tester, then clean it with a wire brush or fine abrasive pad. Steel wool and sandpaper are off the table because they scratch the rod and shorten its life. If the microamp reading stays low after cleaning, we replace the sensor on the spot.
Reinstall and Verify
The sensor goes back at the correct depth and angle so it sits in the flame, not beside it. We restart the furnace and watch the flame signal through a full 10 to 15 minute cycle, checking that the blower motor kicks on and the limit switch stays closed.
Report and Prevent
Before we leave, you get the before-and-after microamp readings, the condition of the igniter and heat exchanger, and a filter recommendation. We also tell you what to watch for next fall so you can catch a dirty sensor before it strands you in January.
Why Our Furnace Flame Sensor Repair Flagstaff AZ Stands Out
We are a local furnace shop, not a call center. The person who answers your phone can describe the ignition sequence on your furnace, and the technician who shows up has the parts to finish the job.
Parts on the Truck
We carry flame sensors, igniters, thermocouples, and control boards for the brands we see most in Coconino County. That inventory is why roughly 9 out of 10 sensor calls close in a single visit instead of turning into a two-trip repair with a cold night in between.
Flat-Rate Repair Pricing
You get the price before we start turning wrenches. A clean-and-test runs less than a replacement, and we tell you which one your furnace needs after the microamp reading, not before. No hourly meter running while we work.
Altitude-Tuned Diagnostics
We set and read flame signals with high-altitude combustion in mind. A sensor reading that looks fine at 1,000 feet can be marginal at 7,000. Adjusting for that is the difference between a repair that holds through winter and one that fails on the next cold snap.
Same-Day Service Across Town
From Woodlands Village to Doney Park, we route trucks to keep drive times short. If you search Furnace Flame Sensor Repair near me Flagstaff AZ on a cold morning, we want to be the call that gets you heat before dinner, not the one that books you for next week.
What Our Flame Sensor Repair Includes
Every flame sensor visit covers diagnosis, testing, and a verified repair, plus a look at the parts that fail alongside it. If we find something outside the sensor, you get the test results and a straight recommendation before any extra work starts.
What's Included
Full Ignition Sequence Test
We watch your furnace from thermostat call to blower start, timing how long the flame holds. That single observation usually confirms a flame sensor fault before we open a panel.
Microamp Reading and Report
We measure the flame signal with a multimeter and flame sensor tester, then give you the before-and-after numbers. Typical healthy readings run 2 to 6 microamps depending on the board.
Sensor Cleaning or Replacement
Dirty rods get cleaned with a wire brush or fine pad, never sandpaper. Cracked, bent, or low-reading sensors get replaced with the correct part for your Carrier, Trane, Lennox, Goodman, Rheem, Bryant, York, or Amana unit.
Igniter and Limit Switch Check
The igniter and limit switch fail in the same conditions that foul a sensor. We inspect both while the burner door is open so you are not scheduling a second visit next month.
Heat Exchanger Visual Inspection
We look at the heat exchanger for cracks or soot on every no-heat call. If we see something concerning, you hear it plainly, along with what it means for safety and cost.
Full Cycle Verification
Before we pack up, the furnace runs a complete 10 to 15 minute cycle with the blower on. We do not call a repair finished until the burner holds flame and the house is warming.
Problems Our Flame Sensor Repair Solves
A flame sensor fault shows up in a handful of recognizable ways. If any of these sound like your furnace, the sensor is the first thing we test.
Furnace lights then shuts off in seconds
The burner drops out 3 to 7 seconds after ignition, the board locks out, and the house never warms. Repeat attempts wear the igniter and stress the control board.
We pull the sensor, read the microamps, and clean or replace the rod. In most cases the burner holds flame through a full cycle the same visit, and the lockouts stop.
Furnace short cycles every few minutes
Constant cycling spikes your gas bill and shortens the life of the igniter, inducer motor, and blower motor. It also leaves rooms at the far end of the house cold.
We test the flame signal and the limit switch together. A weak signal from a dirty sensor is the usual cause, and correcting it restores normal cycle length, often 10 to 15 minutes of run time.
Furnace blows cold air from the vents
The blower runs because the thermostat called for heat, but the burner keeps locking out. Homeowners often assume the blower is broken when the real fault is the sensor.
We verify the ignition sequence and confirm the burner is dropping out rather than the blower failing. Cleaning or replacing the sensor gets warm air moving again, usually within the same appointment.
Furnace will not turn on after summer
Months of disuse let the sensor rod oxidize and collect dust. The first cold morning of the season, the furnace tries to light and immediately locks out.
We clean the oxidation off the rod, test the reading, and run a full cycle before the first freeze. A fall tune-up catches this before it strands you on a 20-degree night.
Repeated flame-sense error codes
Some boards throw a false flame-sense fault when the sensor is only mildly dirty or slightly misaligned. Chasing the code without testing the rod leads to unnecessary part swaps.
We read the actual microamp output instead of trusting the code alone. If the rod is fine, we move on to the control board and gas valve with real test data in hand.
When Flagstaff Homeowners Call Us
A homeowner in Lockett Ranches wakes up to a 55-degree house and a furnace that fires and quits.
We treat it as a priority no-heat call, arrive with sensors for the common brands, and test the flame signal first. Cleaning or replacing the rod usually restores heat within the hour.
The burner holds flame through a full cycle and the house is back to temperature before the afternoon.
A landlord near the NAU area has a rental with a furnace that short cycles and a tenant complaining.
We schedule around the tenant, diagnose the flame signal and limit switch, and repair the sensor. We send the microamp readings and a short report to the owner.
The cycling stops, the tenant stays warm, and the owner has documentation for the next service call.
A propane furnace in Kachina Village fouls its sensor every couple of winters.
We clean the rod, check the igniter and heat exchanger, and set the sensor depth correctly. We also recommend a fall cleaning to stay ahead of the buildup.
The furnace runs a full season without lockouts, and the homeowner knows the early warning signs.
A furnace in Doney Park throws a flame-sense error but the sensor tests fine.
We move past the code and test the control board, gas valve, and inducer motor with a manometer and combustion analyzer. The real fault gets identified and repaired.
No wasted sensor replacement, and the furnace runs reliably through the cold months.
Tools and Methods We Use
Tools & Equipment
Flame sensor tester
Reads the microamp signal directly at the sensor so we know whether the rod is producing enough current to satisfy the control board.
Multimeter
Verifies continuity, voltage, and microamp output across the sensor circuit and the control board terminals.
Combustion analyzer
Checks air-fuel ratio and carbon monoxide levels after repair, which matters at Flagstaff's 7,000-foot elevation.
Manometer
Measures gas pressure at the valve to confirm the burner is getting the supply it needs to hold a stable flame.
Wire brush and fine abrasive pad
Cleans carbon and oxidation off the sensor rod without scratching the surface the way sandpaper or steel wool would.
Nut driver set
Removes and reinstalls sensor mounting screws without stripping heads on older furnaces.
Inspection camera
Looks at the heat exchanger and burner area in tight cabinets where a direct view is not possible.
Methods
Microamp verification against manufacturer spec
We compare the measured flame signal to the spec for your specific board, typically 2 to 6 microamps. A reading below spec after cleaning means the sensor gets replaced, not reused.
High-altitude combustion adjustment
Flagstaff furnaces derate roughly 4 percent per 1,000 feet of elevation, which changes flame shape and sensor behavior. We account for that when setting the sensor and reading the signal.
Full-cycle verification
No repair is finished until the furnace runs 10 to 15 minutes with the blower on and the burner holding flame. That test catches intermittent faults a quick restart would miss.
Safety inspection alongside repair
Every flame sensor visit includes a heat exchanger and carbon monoxide check. Finding a cracked exchanger during a sensor call is uncommon but not rare enough to skip.
How Flame Sensor Repair Runs in Flagstaff
Flagstaff furnaces work harder than most. At roughly 7,000 feet, combustion air is thinner, so burners are set to run leaner and flame shape changes. That makes the flame sensor signal more sensitive to dirt, misalignment, and wear. Our dry spring winds push fine dust into burner compartments, and a summer of disuse lets the sensor rod oxidize. By the first hard freeze in October or November, we see a wave of no-heat calls that trace straight back to a dirty sensor. Building stock matters too. Older homes in the Southside Historic District and Downtown Flagstaff often have furnaces in tight closets with limited airflow, while newer builds in Doney Park and Lockett Ranches use high-efficiency units with more sensitive boards. We carry sensors for Carrier, Trane, Lennox, Goodman, Rheem, Bryant, York, and Amana so most repairs close in one visit. If you need affordable Furnace Flame Sensor Repair Flagstaff AZ without a two-week wait, call (928) 270-0357.
Service Areas
Higher elevation and more wind exposure than central Flagstaff, which means dust reaches burner compartments faster and sensors foul sooner.
A mix of older and newer homes with a range of furnace brands, so we carry a broad sensor inventory when routing trucks here.
Larger homes with high-efficiency furnaces whose boards lock out early on a weak flame signal, making microamp testing essential.
Many propane systems here, and propane burns dirtier than natural gas, so flame sensors need cleaning more often.
Newer construction with modulating furnaces that need a stable flame signal to run at low fire without short cycling.
Local Considerations
High-altitude combustion at 7,000 feet
Thinner air changes flame shape and sensor readings, so we set and test the sensor against high-altitude specs rather than sea-level values.
Dry spring winds and airborne dust
Fine dust coats the sensor rod faster than in wetter climates, which is why fall cleaning prevents most winter lockouts.
Long idle summers
Furnaces sitting unused from May to October oxidize their sensor rods, producing the first-cold-snap no-heat calls we handle every fall.
Propane use in outlying areas
Propane burns hotter and leaves more carbon on the rod, so sensors in Mountainaire and Kachina Village need service more frequently.
Lockout Every Eight Seconds in Coconino Estates
A homeowner's Carrier furnace fired, ran eight seconds, and locked out. Two prior visits replaced the igniter with no fix. The house sat at 52 degrees overnight while the family used space heaters.
We measured the flame signal at 1.1 microamps, cleaned the rod, and restored it to 4.6 microamps. The furnace held flame through a 15-minute cycle and the house reached 68 degrees within two hours.
Maintenance & Follow-up
We recommended a fall sensor cleaning and a fresh furnace filter every 60 to 90 days. That combination keeps the flame signal strong and prevents repeat lockouts.
A rental near NAU cycled every four minutes on an older Goodman furnace, and the tenant reported cold bedrooms. The owner had been quoted for a full control board replacement.
The flame sensor was cracked and reading intermittently. We replaced it with the correct Goodman part, verified 5.2 microamps, and the furnace settled into normal 12-minute cycles. The board was fine.
Maintenance & Follow-up
The owner added flame sensor inspection to the annual fall tune-up. Two winters later, the same furnace has not had a no-heat call.
A propane furnace locked out three times in one week. The sensor had heavy carbon buildup and the burner flame was slightly yellow, a sign of incomplete combustion at altitude.
We cleaned the sensor, adjusted the gas pressure with a manometer, and confirmed combustion with an analyzer. The flame turned steady blue, the signal read 4.9 microamps, and the lockouts stopped.
Maintenance & Follow-up
We set this customer on a twice-a-year sensor cleaning because propane fouls rods faster. A wire brush cleaning each fall and spring keeps the signal in spec.
What Flame Sensor Repair Costs
Typical 2026 pricing for flame sensor repair in Flagstaff runs $150 to $320 for cleaning and testing, and $220 to $420 when the sensor needs replacing. The diagnostic visit is included in that range, not billed on top. What moves the number is brand, access to the burner compartment, and whether other parts like the igniter or control board are involved. We give you the price before we start. Search flame sensor repair Flagstaff and you will find cheaper quotes, but those often skip the microamp test that proves the repair will hold.
Pricing Factors
Sensor brand and part cost
Common sensors for Goodman and Rheem run $15 to $40. Less common or proprietary rods for some Carrier and Trane models can run $60 to $120, which shows up in the total.
Access to the burner compartment
A furnace in an open basement is quick. A unit jammed into a closet in the Southside Historic District can add 30 to 45 minutes of careful disassembly and reassembly.
Cleaning versus replacement
Cleaning and testing is the lower-cost repair. If the microamp reading stays low after cleaning, replacement is the honest call, and it adds the part cost plus 20 to 30 minutes.
Related parts found during diagnosis
A worn igniter, a tripping limit switch, or a failing control board changes the scope. We show you the test results and quote the additional work before touching anything.
After-hours or emergency timing
A no-heat call at 10 p.m. in January carries a higher rate than a scheduled weekday visit. We tell you the after-hours number on the phone so there are no surprises.
Investment Range
$150 - $420 depending on scope
Based on project scope
Value You Get
A flame sensor repair costs a fraction of a new furnace or a control board replacement. Paying for the microamp test up front is what keeps the repair from turning into a repeat visit, and that is where the real savings sit.
How much does Furnace Flame Sensor Repair cost in Flagstaff AZ?
Most flame sensor repairs in Flagstaff run $150 to $320 in 2026, including the diagnostic visit, cleaning, and testing. A full sensor replacement with the part usually lands between $220 and $420 depending on brand and access. If the sensor is fine and the real fault is the control board or gas valve, we tell you before doing any work.
Who repairs furnace flame sensors in Flagstaff Arizona?
We do. Flagstaff Furnace Repair Pros handles flame sensor cleaning and replacement for gas, propane, and electric furnaces across Coconino County. Our technicians are NATE certified and work under an Arizona ROC HVAC license. Call (928) 270-0357 and we will confirm a same-day window for most addresses inside the city limits.
How long does flame sensor repair take in Flagstaff AZ?
A clean-and-test takes 45 to 75 minutes once we are on site. A replacement adds 20 to 30 minutes because we verify the new sensor through a full heat cycle. If your furnace needs a control board or igniter at the same time, plan on 2 to 3 hours total, and we will tell you that upfront.
Can I get same-day Furnace Flame Sensor Repair in Flagstaff?
Yes, same-day service is available for most calls placed before early afternoon, and we hold emergency slots for no-heat situations. We stock sensors for Carrier, Trane, Lennox, Goodman, Rheem, Bryant, York, and Amana, so the part is usually already on the truck. Call (928) 270-0357 and we will give you a real arrival window.
Licensed, Certified, and Local
Certifications
Reviews
Called about a furnace that lit and quit. They tested the flame sensor, showed me the microamp reading, and cleaned it the same visit. Heat was back in under two hours. Straight answers, no upsell.
Our propane furnace in Kachina Village kept locking out. They cleaned the sensor, adjusted the gas pressure, and explained why propane fouls the rod faster. Honest pricing and they knew the local altitude issues.
Replaced a cracked flame sensor on our rental near NAU the same day we called. They sent the readings afterward, which made it easy to document for the owner. Professional from start to finish.
Two other companies wanted to replace the control board. These folks tested the flame sensor first, found it dirty, and fixed it for a fraction of the cost. Furnace has run all winter without a problem.
Related Furnace Services We Handle
Gas Furnace Repair
Gas furnaces are where flame sensors fail most often, since the sensor reads a natural gas flame. If your gas furnace lights and drops out, we test the sensor and the gas valve together so the fix actually holds.
Gas Furnace RepairElectric Furnace Repair
Electric furnaces use sequencers and limit switches instead of a flame sensor, but the no-heat symptoms look identical. We diagnose which system you have before quoting, so you are not paying for a sensor your furnace does not use.
Electric Furnace RepairPropane Furnace Repair
Propane burns hotter and dirtier than natural gas, which fouls flame sensors faster. Many rural Flagstaff homes around Mountainaire and Kachina Village run propane, and we carry the sensors those units need.
Propane Furnace RepairEmergency Furnace Repair
A furnace that locks out at 2 a.m. in January is an emergency. We treat flame sensor failures as priority no-heat calls and keep after-hours slots open through the coldest weeks of the year.
Emergency Furnace RepairSame-Day Furnace Repair
Most flame sensor jobs close in one visit because the part is small and common. Same-day scheduling means you are not waiting on a shipping delay while the house cools down.
Same-Day Furnace RepairResidential Furnace Repair
Houses from Sunnyside to Fort Valley run everything from 20-year-old Bryant units to new Rheem installs. We match the sensor and the diagnostic approach to the age and brand of your equipment.
Residential Furnace RepairCommercial Furnace Repair
Small commercial spaces and rental properties around the Milton Road Corridor need heat restored fast to keep tenants and staff comfortable. We handle rooftop and closet units with the same sensor diagnostics.
Commercial Furnace RepairCarrier Furnace Repair
Carrier furnaces use specific sensor part numbers, and the wrong rod reads low. We stock the common Carrier sensors and verify microamp output after installation.
Carrier Furnace RepairTrane Furnace Repair
Trane and American Standard units often pair the flame sensor with a hot surface igniter. When we replace one, we inspect the other so you are not calling us back in three weeks.
Trane Furnace RepairLennox Furnace Repair
Lennox control boards are sensitive to weak flame signals and will lock out early. We test the sensor against Lennox spec rather than a generic range.
Lennox Furnace RepairGoodman Furnace Repair
Goodman furnaces are common in Flagstaff rentals and are straightforward to service. Sensor cleaning on these units is quick, and we keep the replacement rods in stock.
Goodman Furnace RepairRheem Furnace Repair
Rheem and Ruud furnaces use a sensor that is easy to misalign during reinstall. We set the depth and angle so the rod sits in the flame where it belongs.
Rheem Furnace RepairBryant Furnace Repair
Bryant shares components with Carrier, so the sensor work is familiar. Older Bryant units often need the sensor plus a good cleaning of the burner assembly.
Bryant Furnace RepairYork Furnace Repair
York furnaces sometimes throw a false flame-sense error when the sensor is only mildly dirty. We read the actual microamps instead of trusting the error code alone.
York Furnace RepairAmana Furnace Repair
Amana units with modulating gas valves need a stable flame signal to run at low fire. A marginal sensor shows up as short cycling on mild days before it fails completely.
Amana Furnace RepairFurnace Ignition Repair
Igniters and flame sensors work as a team. If the igniter glows but the burner drops out seconds later, the sensor is usually the culprit, and we test both in one visit.
Furnace Ignition RepairFurnace Pilot Light Repair
Standing-pilot furnaces use a thermocouple rather than a flame sensor. If your pilot keeps going out, we test the thermocouple and the gas valve together.
Furnace Pilot Light RepairFurnace Blower Motor Repair
A furnace that lights, holds flame, but never blows warm air has a blower problem, not a sensor problem. We check the blower motor and capacitor before recommending anything.
Furnace Blower Motor RepairFurnace Heat Exchanger Repair
Flame sensor trouble and heat exchanger cracks can produce similar lockouts. We inspect the exchanger on every no-heat call and flag cracks before they become a carbon monoxide risk.
Furnace Heat Exchanger RepairFurnace Limit Switch Repair
A tripping limit switch shuts the burner down just like a bad sensor. We test both so the repair targets the real fault instead of the symptom.
Furnace Limit Switch RepairFurnace Thermostat Repair
A thermostat that loses its call for heat mid-cycle can mimic sensor failure. We verify the thermostat signal, including Nest and other smart models, during diagnosis.
Furnace Thermostat RepairFurnace Control Board Repair
Control boards interpret the flame signal and open the gas valve. If the board is at fault, cleaning the sensor will not help, and we will show you the test results that prove it.
Furnace Control Board RepairFurnace Inducer Motor Repair
The inducer pulls combustion air before ignition. A weak inducer changes flame shape and can drag the sensor signal down, so we check it whenever readings are borderline.
Furnace Inducer Motor RepairFurnace Gas Valve Repair
A sticking gas valve causes intermittent flame and confusing sensor readings. We confirm valve operation with a manometer and combustion analyzer before replacing anything.
Furnace Gas Valve RepairFurnace Not Turning On
No ignition at all points to the igniter, gas valve, or control board rather than the sensor. We run the full sequence and tell you which component failed.
Furnace Not Turning OnFurnace Blowing Cold Air
Cold air from the vents usually means the burner is locking out and the blower is running anyway. That is a classic flame sensor symptom, and it is one of our most common calls.
Furnace Blowing Cold AirFurnace Short Cycling Repair
Cycling every few minutes wears out igniters and boards fast. Fixing the flame signal is often the cheapest way to stop the cycle and extend the furnace's life.
Furnace Short Cycling RepairFurnace Making Strange Noises
Rumbling on ignition can mean delayed light-off, which stresses the sensor and heat exchanger. We check ignition timing along with the flame signal.
Furnace Making Strange NoisesFurnace Uneven Heating Repair
Rooms that never warm up can trace back to a furnace short cycling on a weak flame signal. Restoring the sensor often evens out the whole house.
Furnace Uneven Heating RepairWhat Flagstaff Customers Say
Real experiences from customers who chose our Furnace Flame Sensor Repair services
"Our furnace would fire for about eight seconds and shut off. Two other companies told us we needed a new control board. These guys tested the flame sensor, showed me a reading of 1.2 microamps, cleaned the rod, and it came back to 4.8. Heat has been steady for two winters now. Cost me a fraction of what I was quoted."
Dana R.
Homeowner, Coconino Estates
"I manage four rentals near NAU and one of them lost heat over winter break. They got out the same day, replaced a cracked flame sensor on an older Goodman, and had the tenants warm by evening. They also sent me the microamp readings in writing, which none of my previous contractors bothered to do."
Miguel S.
Landlord, Sunnyside
"We are on propane out here and our sensor fouls up every couple of years. This time they cleaned it, checked the igniter and heat exchanger, and adjusted the sensor depth. The furnace runs quieter and the short cycling stopped completely. I have their number on the fridge now."
Karen T.
Homeowner, Elden Hills
Get Furnace Flame Sensor Repair Flagstaff AZ Today
If your furnace lights and quits, every hour you wait is another hour of cold air. We are licensed, NATE certified, and stocked with the sensors your brand needs. Call now and we will get a technician headed your way.