Lennox Furnace Repair in Flagstaff, Arizona
Certified Lennox heater repair Flagstaff homeowners call first
For Lennox Furnace Repair in Flagstaff, our NATE-certified technicians diagnose and fix every model, from older G-series units to today's high-efficiency models. We handle flame sensor cleaning, igniter replacement, blower motor repair, and full control board diagnostics. If your heat quit overnight or your system is blowing cold air, call (928) 270-0357 for same-day Lennox heater repair Flagstaff service.
Lennox Furnace Repair in Flagstaff: What It Covers
Lennox Furnace Repair in Flagstaff is the diagnostic and mechanical service that restores heat to a failed or underperforming Lennox furnace. It covers the full ignition chain, the inducer and blower motors, the gas valve, the control board, and the heat exchanger. When your furnace won't turn on, short cycles, or blows cold air, we test each component with a multimeter, manometer, and combustion analyzer to find the actual failure rather than guessing at parts.
Flagstaff winters push furnaces hard. At 7,000 feet, overnight lows drop into the teens and single digits from November through March, and a system that limped through fall will fail on the first hard freeze. Homes in Cheshire and Baderville often run propane, while many Mountainaire and Kachina Village properties use natural gas. We stock the igniters, flame sensors, and blower motors that fit Lennox units common in this area, so most repairs finish in one visit.
Why Flagstaff Homeowners Choose Our Lennox Repair
We work on Lennox equipment every week, so we know the failure patterns, the part numbers, and the shortcuts that cause callbacks. Here is what that means for your home.
Same-Day Heat Restored
Most Lennox Furnace Repair in Flagstaff jobs are finished the same day you call. We carry igniters, flame sensors, and universal control boards on every truck, so a no-heat call at 6 a.m. often means warm air by early afternoon.
Lennox-Specific Diagnostics
We test the exact components that fail on Lennox units: the flame sensor, the hot surface igniter, the pressure switch, and the control board. That means fewer return visits and a repair that holds through the season.
Upfront Pricing, No Surprises
You get a clear price before we start. Typical 2026 repairs in Flagstaff run $180 to $650 depending on the part and labor, and we tell you the number before we open the panel.
Work Backed by Warranty
Every repair we complete carries a parts and labor warranty. If the same component fails again within the coverage window, we come back and make it right at no additional cost to you.
How Our Lennox Furnace Repair Process Works
From your first call to the final temperature check, here is exactly what happens when you book Lennox Furnace Repair in Flagstaff with us.
Call and Triage
You call (928) 270-0357 and describe the symptoms: no heat, cold air, short cycling, or a strange noise. We ask a few quick questions to identify the likely failure and dispatch the right technician with the right parts. Most calls get a same-day window.
Full System Inspection
The technician tests the thermostat call for heat, then works through the ignition sequence. We use a multimeter and manometer to check voltage, gas pressure, and the pressure switch, and an inspection camera to look at the heat exchanger. This takes 20 to 30 minutes.
Diagnosis and Quote
We show you the failed component and explain what it does. You get a flat price for the repair before any work begins. If we find a cracked heat exchanger or a failed control board, we walk you through the options, including repair versus replacement.
Repair and Reassembly
We replace the failed part, whether that is a thermocouple, igniter, flame sensor, blower motor, or gas valve. After reassembly, we run the furnace through a full heating cycle and verify the temperature rise is within the manufacturer's spec.
Test and Handoff
We check for gas leaks, confirm the flame sensor reads correctly, and set your thermostat. You get a summary of what failed, what we replaced, and how to keep it running. Most repairs take two to four hours total.
Lennox Repair Expertise You Can Count On
Our technicians hold NATE certification and EPA Section 608 credentials, and we maintain an Arizona ROC HVAC license. We work on Lennox furnaces daily, from older pilot-light models to modern condensing units. That means we know the common failure points: dirty flame sensors, weak igniters, and control boards that fail after voltage spikes. We also carry manufacturer certifications for major brands including Carrier, Trane, Goodman, Rheem, Bryant, York, and Amana, so we can service whatever system is in your home. Every repair follows OSHA safety compliance and local building permit requirements when a permit is needed.
- NATE-certified technicians trained on Lennox ignition and control systems
- EPA Section 608 certified for refrigerant and combustion safety work
- Arizona ROC HVAC license held by the company
- Combustion analyzer used on every repair to verify safe operation
- Manufacturer certifications across Carrier, Trane, Goodman, Rheem, and Bryant
Why We Are the Lennox Furnace Repair Flagstaff Trusts
We are local, we stock the parts, and we answer the phone. That combination is why homeowners in Coconino County call us when their heat goes out.
Local Technicians, Local Parts
Our trucks are stocked with the igniters, flame sensors, and blower motors that fit Lennox furnaces common in Flagstaff. That means one visit, not two or three waiting on a part.
24/7 Emergency Response
Furnaces fail at 2 a.m. in January, not at 2 p.m. in July. We run emergency dispatch around the clock, and we prioritize no-heat calls during cold snaps. Call (928) 270-0357 any time.
Certified and Insured
We hold NATE certification, EPA Section 608, and an Arizona ROC HVAC license. Our work follows OSHA safety compliance and local code. You can verify our credentials before we arrive.
Repairs Backed by Warranty
Every Lennox furnace service Flagstaff AZ job we complete carries a warranty on parts and labor. If the same issue returns within the coverage window, we come back at no charge.
What Our Lennox Furnace Repair Includes
Every Lennox Furnace Repair in Flagstaff starts with a full diagnostic and ends with a verified heating cycle. Here is what is covered in a standard repair visit, and what we treat as an add-on.
What's Included
Full Ignition System Test
We test the thermostat call for heat, the igniter, the flame sensor, and the gas valve. This tells us exactly where the ignition sequence is failing, so we replace the right part the first time.
Blower and Airflow Check
We inspect the blower motor, the capacitor, and the filter. Weak airflow causes short cycling and uneven heating. If the blower is failing, we test it with a clamp meter and replace it if needed.
Combustion and Safety Verification
We use a combustion analyzer to check carbon monoxide levels and verify the heat exchanger is intact. If we find a crack, we stop and walk you through your options before proceeding.
Control Board Diagnostics
We test the control board with a multimeter and check for fault codes. If the board has failed, we replace it with a compatible unit and verify all functions work correctly.
Parts and Labor Warranty
Every repair we complete carries a warranty on both the part and the labor. If the same component fails within the coverage window, we return and fix it at no additional cost.
Lennox Furnace Problems We Solve in Flagstaff
Most Lennox furnace failures fall into a handful of categories. Here are the ones we see most often in Flagstaff and how we fix them.
Furnace not turning on at all
No heat means pipes can freeze within hours when overnight lows hit the single digits. It also puts your household at risk if you rely on space heaters.
We test the thermostat, the igniter, and the control board in sequence. Most no-start calls trace to a failed igniter or a tripped limit switch. We replace the failed part and verify the furnace runs through a full cycle before we leave.
Furnace blowing cold air
The furnace runs, so you think it is working, but the house gets colder. This often points to a dirty flame sensor or a failed igniter that is not lighting the burners.
We clean or replace the flame sensor, test the igniter, and check the gas valve. If the burners light but the blower pushes cold air, we check the limit switch and the control board. Most of these repairs take under two hours.
Furnace short cycling
Short cycling wears out the blower motor, the igniter, and the control board faster. It also drives up your gas bill while leaving rooms cold.
We check the filter, the blower motor, and the limit switch. A dirty filter or a failing blower causes the furnace to overheat and shut down. We fix the root cause and verify the temperature rise is within the manufacturer's spec.
Pilot light keeps going out
A pilot that will not stay lit means no heat. On older Lennox furnaces, this usually points to a failed thermocouple or thermopile.
We test the thermocouple with a thermocouple tester and replace it if it is weak. We also check the pilot orifice for debris. Most pilot repairs take under an hour and restore reliable ignition.
When to Call for Lennox Furnace Repair in Flagstaff
Your furnace quits on the first hard freeze in November and the house drops below 60 degrees overnight.
We prioritize no-heat calls during cold snaps and dispatch a technician with the common Lennox parts on board. We diagnose the failure, quote a flat price, and repair it, usually the same day.
Heat restored within hours, often before the next overnight freeze. You get a summary of what failed and how to prevent it.
Your Lennox furnace is 12 years old, short cycling, and your gas bill jumped 30 percent compared to last winter.
We run a full diagnostic, check the heat exchanger with an inspection camera, and test the blower motor and limit switch. If the repair is straightforward, we fix it. If the heat exchanger is cracked, we walk you through replacement options.
You either get a reliable repair that restores efficiency or a clear recommendation on replacement, with no pressure either way.
You manage a rental near NAU and the tenant calls on a Sunday saying the heat is out.
We handle emergency dispatch 24/7. A technician responds, diagnoses the issue, and repairs it. We bill the owner directly and provide a written summary of the work for your records.
The tenant has heat, you have documentation, and the repair is warrantied. No middle-of-the-night calls to you.
Your propane furnace in Baderville is lighting but shutting off after a few minutes, and you smell a faint odor.
We treat any gas odor as urgent. A technician checks the gas valve, the manifold pressure, and the flame sensor. We verify combustion with an analyzer and confirm there are no leaks before we leave.
Safe, reliable heat and peace of mind that the system is burning cleanly. We also adjust the propane pressure if it is off spec.
Tools and Methods We Use for Lennox Repair
Tools & Equipment
Multimeter
Tests voltage and continuity at the control board, gas valve, and blower motor. It tells us whether a component is receiving power and whether it has failed electrically.
Manometer
Measures gas pressure at the valve and the manifold. Correct pressure is critical for safe, efficient combustion, especially on propane systems common in outlying areas.
Combustion Analyzer
Checks carbon monoxide levels and combustion efficiency. We use it on every repair to verify the furnace is burning safely and the heat exchanger is not leaking.
Thermocouple Tester
Measures the millivolt output of a thermocouple or thermopile on standing-pilot furnaces. A weak reading explains why a pilot light will not stay lit.
Inspection Camera
Lets us look inside the heat exchanger without disassembling the entire furnace. We use it to check for cracks that would otherwise go unnoticed.
Clamp Meter
Measures current draw on the blower motor and inducer motor. High amp draw signals a failing motor or a bad capacitor.
Wire Brush
Cleans the flame sensor and burners. A dirty flame sensor is one of the most common reasons a Lennox furnace lights and then shuts off.
Methods
NATE-certified diagnostic sequence
We follow the manufacturer's ignition sequence step by step: thermostat call, inducer motor, pressure switch, igniter, gas valve, flame sensor, blower. This methodical approach finds the actual failure instead of replacing parts by guesswork.
EPA Section 608 safety compliance
All combustion work follows EPA Section 608 guidelines for refrigerant handling and safety. We also follow OSHA safety compliance on every job, including gas leak checks and carbon monoxide verification.
Combustion analysis on every repair
We run a combustion analyzer on every furnace we repair. It confirms the system is burning cleanly and the heat exchanger is intact. If carbon monoxide levels are elevated, we stop and address it before finishing.
Arizona ROC HVAC license compliance
We hold an Arizona ROC HVAC license and pull local building permits when required. That means the work meets code and passes inspection, which protects you if you sell the home.
How Lennox Furnace Repair Works in Flagstaff
Flagstaff sits at 7,000 feet, and that changes how furnaces run. The air is thinner, so combustion tuning matters more. Winter overnight lows routinely hit the teens and single digits, and the heating season runs from October into April. Homes near NAU and Downtown often have older ductwork and original furnaces, while newer builds in Coconino Estates and Highland Mesa use high-efficiency condensing units. Rural properties in Mountainaire, Kachina Village, and Baderville often run propane, which needs different manifold pressure settings than natural gas. We also see hard water and dust that foul flame sensors faster here than at lower elevations. If you need Lennox Furnace Repair near me Flagstaff AZ, we cover the whole area, including Cheshire and Fort Valley. We stock the igniters, flame sensors, and blower motors that fit the Lennox models common in this market, so most repairs finish in one visit.
Service Areas
Older homes with original ductwork and furnaces that have been repaired multiple times. We often find undersized returns that cause short cycling.
Newer construction with high-efficiency Lennox condensing furnaces. These units need annual cleaning of the condensate trap and flame sensor.
Rural properties on propane. We adjust the gas valve for propane and verify combustion with an analyzer, since the settings differ from natural gas.
Higher elevation means colder nights and more furnace run time. We see more blower motor failures here than in town.
Historic homes with retrofitted heating systems. Ductwork is often undersized, which leads to uneven heating and limit switch trips.
Local Considerations
High elevation and thin air
Combustion tuning is more critical at 7,000 feet. We adjust the gas valve and verify with a combustion analyzer to ensure the furnace burns cleanly and efficiently.
Long heating season from October to April
Furnaces run more hours here than in lower-elevation cities. That means parts wear out faster, and annual maintenance matters more. We recommend a tune-up every fall.
Propane use in outlying areas
Homes in Cheshire, Baderville, and Doney Park often run propane. Propane requires different manifold pressure and orifice sizing than natural gas, so we adjust accordingly.
Dust and hard water
Flagstaff dust fouls flame sensors faster, causing furnaces to light and then shut off. We clean or replace the sensor and check the filter at every repair.
No-Heat Call in University Heights
A homeowner called at 7 a.m. in January with no heat and a house at 58 degrees. The furnace was clicking but not lighting. The igniter had failed after years of use.
We replaced the igniter, cleaned the flame sensor, and verified the furnace ran through three full cycles. Heat was restored by 10 a.m. The temperature rise was within spec at 45 degrees.
Maintenance & Follow-up
We recommended an annual fall tune-up to check the igniter and clean the flame sensor before the heating season starts.
A high-efficiency Lennox furnace was short cycling every few minutes, and the gas bill had jumped 30 percent. The filter was clogged and the limit switch was tripping from overheating.
We replaced the filter, cleaned the blower motor, and tested the limit switch. The furnace ran continuously and the temperature rise dropped from 70 degrees to 45 degrees, which is within spec.
Maintenance & Follow-up
We set the homeowner up with a filter replacement schedule every 60 to 90 days and a fall tune-up.
A propane Lennox furnace was lighting but shutting off after a few minutes. The flame sensor was dirty and the manifold pressure was set for natural gas, not propane.
We cleaned the flame sensor, adjusted the gas valve for propane, and verified combustion with an analyzer. Carbon monoxide levels dropped to safe levels and the furnace ran reliably.
Maintenance & Follow-up
We recommended an annual combustion check and a propane-specific tune-up each fall before the first freeze.
Lennox Furnace Repair Pricing in Flagstaff
Typical 2026 Lennox Furnace Repair in Flagstaff runs $180 to $650, depending on the failed part and the labor involved. A flame sensor cleaning or igniter replacement sits at the low end. A blower motor, control board, or gas valve replacement runs higher. We give you a flat price before we start, so you know the number before we open the panel. Diagnostic fees are waived if you proceed with the repair.
Pricing Factors
Failed component
An igniter or flame sensor is inexpensive and quick to replace. A blower motor, control board, or gas valve costs more in parts and labor. We quote the exact price after diagnosis.
Furnace age and model
Older Lennox furnaces may use parts that are harder to source. Newer condensing units have more complex controls. Both affect the time and cost of the repair.
Access and location
A furnace in a tight closet or attic takes longer to access than one in a basement. We factor that into the quote so there are no surprises.
After-hours or emergency call
Emergency dispatch outside normal hours carries a higher rate. We tell you the rate when you call, before we dispatch a technician.
Additional repairs found
If we find a second issue during diagnosis, such as a cracked heat exchanger or a failing inducer motor, we quote that separately. You decide whether to proceed.
Investment Range
$180 - $650 depending on the failed component and labor
Based on project scope
Value You Get
A repair that costs a few hundred dollars now can add years to your furnace's life. Replacing a furnace costs several thousand. We always recommend the repair when it makes sense and tell you honestly when it does not.
Frequently Asked Questions About Lennox Furnace Repair in Flagstaff
Have questions? We have answers.
Call UsHow much does Lennox Furnace Repair cost in Flagstaff AZ?
Typical 2026 repairs in Flagstaff run $180 to $650, depending on the failed part and labor. A flame sensor cleaning or igniter replacement sits at the low end. A blower motor or control board replacement runs higher. We give you a flat price before we start, so there is no surprise on the invoice.
Who repairs Lennox furnaces in Flagstaff Arizona?
We do. Our technicians are NATE-certified and hold EPA Section 608 credentials, and we carry an Arizona ROC HVAC license. We work on Lennox furnaces every week, from older pilot models to modern condensing units. Call (928) 270-0357 and we will dispatch a technician who knows your system.
Is Lennox Furnace Repair near me available in Flagstaff?
Yes. We cover all of Flagstaff, including Downtown, Southside Historic District, University Heights, Coconino Estates, Fort Valley, Baderville, and Doney Park. If you are in Coconino County, we can reach you. Same-day appointments are common when you call before noon.
Can I get same-day Lennox Furnace Repair in Flagstaff?
In most cases, yes. We hold same-day slots for no-heat calls, and we stock the common Lennox parts on every truck. If you call before early afternoon, we can usually have heat restored the same day. Emergency dispatch runs 24/7 during cold snaps.
Licensed, Certified, and Reviewed
Certifications
Reviews
Called at 8 a.m. with no heat, had a technician by 11. He diagnosed a failed igniter, had the part on the truck, and we had heat by 1 p.m. Fair price, no upsell. Highly recommend for Lennox repairs in Flagstaff.
Our propane furnace in Baderville was short cycling. They adjusted the gas pressure, cleaned the flame sensor, and replaced the limit switch. It has run perfectly all winter. Professional and knowledgeable.
I manage rentals near NAU and have used them three times for Lennox repairs. They show up when they say, fix the actual problem, and do not push a new furnace when a repair will do. That is rare.
Related Services
Gas Furnace Repair
Gas furnaces are the most common heating system in Flagstaff. We test gas pressure with a manometer, inspect the gas valve, and verify the heat exchanger. If your Lennox gas furnace is short cycling or failing to ignite, we diagnose and repair it.
Gas Furnace RepairElectric Furnace Repair
Electric furnaces rely on heating elements and sequencers that fail over time. We test each element with a clamp meter and replace failed sequencers, relays, and limit switches. If your electric Lennox furnace blows cold air, we find the open circuit.
Electric Furnace RepairPropane Furnace Repair
Many homes in Cheshire and Baderville run propane. Propane burns differently than natural gas, so the gas valve and orifices need the right setup. We adjust the manifold pressure and verify combustion with an analyzer on every propane repair.
Propane Furnace RepairEmergency Furnace Repair
When your heat dies at 2 a.m. in January, you need someone who answers. We run 24/7 emergency dispatch for no-heat calls across Flagstaff. Call (928) 270-0357 and we will get a technician headed your way.
Emergency Furnace RepairSame-Day Furnace Repair
We hold same-day slots for urgent calls. Our trucks carry igniters, flame sensors, blower motors, and universal control boards, so most repairs finish in one visit. Call before noon and you will likely have heat by evening.
Same-Day Furnace RepairResidential Furnace Repair
From single-family homes in University Heights to condos near NAU, we repair residential Lennox furnaces of every age. We check the filter, the blower, the ignition system, and the heat exchanger, then fix what is actually broken.
Residential Furnace RepairCommercial Furnace Repair
We service commercial rooftop units and split systems in Flagstaff offices, retail spaces, and restaurants. Downtime costs money, so we prioritize commercial no-heat calls and carry the parts to get you back up fast.
Commercial Furnace RepairCarrier Furnace Repair
Carrier furnaces share many components with Lennox units, including flame sensors and control boards. We carry manufacturer certifications for Carrier and stock the common parts. If your Carrier furnace fails, we can repair it the same day.
Carrier Furnace RepairTrane Furnace Repair
Trane furnaces are common in Flagstaff homes. We diagnose ignition failures, blower motor issues, and control board faults. Our technicians are certified on Trane equipment and carry the parts to complete most repairs in one visit.
Trane Furnace RepairGoodman Furnace Repair
Goodman furnaces are affordable and common in this area. We repair igniter failures, flame sensor faults, and blower motor problems. If your Goodman furnace is blowing cold air or short cycling, call us for a same-day diagnosis.
Goodman Furnace RepairRheem Furnace Repair
Rheem furnaces use a hot surface igniter and a flame sensor that fouls over time. We clean or replace both, test the pressure switch, and verify the control board. Most Rheem repairs in Flagstaff finish in two to three hours.
Rheem Furnace RepairBryant Furnace Repair
Bryant furnaces are built with durable components, but igniters and blower motors still wear out. We carry Bryant-compatible parts and follow the manufacturer's diagnostic sequence. Call us for a same-day repair.
Bryant Furnace RepairYork Furnace Repair
York furnaces often fail at the control board or the inducer motor. We test both with a multimeter and replace what is failed. Our trucks carry universal boards that fit many York models, so we can finish in one visit.
York Furnace RepairAmana Furnace Repair
Amana furnaces are known for reliable heat exchangers, but ignition components still fail. We inspect the igniter, flame sensor, and gas valve, then repair or replace as needed. Most Amana repairs in Flagstaff are same-day.
Amana Furnace RepairFurnace Ignition Repair
If your furnace clicks but does not light, the ignition system is the likely culprit. We test the hot surface igniter, the flame sensor, and the control board. Most ignition repairs take under two hours and restore heat immediately.
Furnace Ignition RepairFurnace Pilot Light Repair
Older Lennox furnaces use a standing pilot light. If it keeps going out, the thermocouple or thermopile is usually the cause. We test both with a thermocouple tester and replace the failed part, often in under an hour.
Furnace Pilot Light RepairFurnace Blower Motor Repair
A failing blower motor means weak airflow or no heat distribution. We test the motor and capacitor with a clamp meter, then replace the failed component. Most blower motor repairs in Flagstaff finish the same day.
Furnace Blower Motor RepairFurnace Heat Exchanger Repair
A cracked heat exchanger is a safety issue. We inspect it with an inspection camera and a combustion analyzer. If we find a crack, we walk you through repair versus replacement options and handle the work either way.
Furnace Heat Exchanger RepairFurnace Flame Sensor Repair
A dirty or failed flame sensor causes the furnace to light and then shut off. We clean it with a wire brush or replace it, then verify the flame signal. This is one of the most common Lennox repairs we perform.
Furnace Flame Sensor RepairFurnace Limit Switch Repair
A tripping limit switch means the furnace is overheating. We check the filter, the blower, and the switch itself. If the switch has failed, we replace it and verify the temperature rise is within spec.
Furnace Limit Switch RepairFurnace Thermostat Repair
A faulty thermostat can mimic a furnace failure. We test the thermostat call for heat and check compatibility with Nest and Honeywell models. If the thermostat is the problem, we replace it and confirm the system runs.
Furnace Thermostat RepairFurnace Control Board Repair
The control board is the brain of your furnace. When it fails, nothing works. We test it with a multimeter and replace it with a compatible board. Most control board repairs in Flagstaff finish in two to three hours.
Furnace Control Board RepairFurnace Inducer Motor Repair
The inducer motor pulls combustion gases out of the furnace. If it fails, the pressure switch will not close and the furnace will not light. We test the motor and replace it, usually the same day.
Furnace Inducer Motor RepairFurnace Gas Valve Repair
A failed gas valve means no gas reaches the burners. We test the valve with a manometer and verify the voltage signal from the control board. If the valve is stuck or failed, we replace it and check for leaks.
Furnace Gas Valve RepairFurnace Not Turning On
When your furnace will not turn on, the cause is usually the thermostat, the igniter, or the control board. We test each in sequence and fix the actual failure. Most no-start calls are resolved the same day.
Furnace Not Turning OnFurnace Blowing Cold Air
Cold air from your vents means the furnace is running but not heating. Common causes include a dirty flame sensor, a failed igniter, or a stuck gas valve. We diagnose and repair the issue, often in under two hours.
Furnace Blowing Cold AirFurnace Short Cycling Repair
Short cycling wears out your furnace fast. It is often caused by an oversized unit, a dirty filter, or a failing limit switch. We check airflow, temperature rise, and the switch, then fix the root cause.
Furnace Short Cycling RepairFurnace Making Strange Noises
Banging, screeching, or rumbling from your furnace signals a problem. A screech often means a failing blower motor bearing. A bang can indicate a delayed ignition. We diagnose the noise and repair the cause.
Furnace Making Strange NoisesFurnace Uneven Heating Repair
If some rooms are warm and others are cold, the issue may be ductwork, a failing blower motor, or a thermostat placement problem. We test airflow and balance the system to even out temperatures across your home.
Furnace Uneven Heating RepairWhat Flagstaff Homeowners Say About Our Lennox Repair
Real experiences from customers who chose our Lennox Furnace Repair services
"Our Lennox furnace quit on a Friday night in January. We called at 7 a.m. Saturday and had a technician by 10. He found a failed igniter, had the part on the truck, and we had heat by noon. The price was exactly what he quoted. No surprises."
Mark R.
Homeowner, University Heights
"We are on propane out here, and our old Lennox was short cycling badly. The technician adjusted the gas pressure, cleaned the flame sensor, and replaced the limit switch. It has run perfectly all winter. He also showed me how to check the filter."
Sandra L.
Homeowner, Cheshire
"I manage several rentals near NAU, and I have used these guys for Lennox repairs three times now. They show up when they say they will, they fix the actual problem, and they do not try to sell me a new furnace when a repair will do. That is rare."
Dave K.
Property Manager, Downtown Flagstaff
Get Lennox Furnace Repair in Flagstaff Today
No heat is not something to wait on. Call (928) 270-0357 and we will dispatch a NATE-certified technician to your Flagstaff home, usually the same day. We carry the parts, we give you a flat price, and we back the work with a warranty.