Certified Gas & Electric Furnace Technicians
Safety-First Furnace Diagnostics

Pilot Light Out? Ignitor Failed? Furnace Repair in Sonoma, CA Fixes It Right

We service both gas and electric furnace systems with manufacturer-trained technicians.

Heat exchanger cracks, ignitor failures, and gas valve issues all fall within our scope.

Furnace failures carry a safety dimension — carbon monoxide and gas leaks — that most other hvac repairs don't, so the diagnostic has to start there, which is exactly why furnace repair calls in Sonoma, CA get treated with urgency, not a next-available-Tuesday slot.

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Licensed Furnace Repair service in Sonoma, CA - AAA Pro HVAC

The AAA Pro HVAC Difference for Furnace Repair

AAA Pro HVAC built its furnace repair process around one idea: diagnose first, quote honestly, fix it right.

We're licensed, insured, and staffed with techs who've spent years specifically on furnace repair, not general handyman work with an HVAC certificate bolted on.

Professional Furnace Repair technician working in Sonoma, CA

Combustion & CO Safety Checks

Every furnace visit includes a combustion analysis and carbon monoxide test before any repair recommendation.

Gas & Electric Certified Technicians

Our crews are trained on standing pilot, hot surface ignition, and electric resistance furnace systems alike.

Flat-Rate Furnace Pricing

Diagnosis happens first, and the quoted flat rate reflects the actual confirmed fault.

Cold-Weather Priority Dispatch

No-heat calls during freeze warnings get moved to the front of the schedule.

Furnace Repair Done Right, Every Time

Every job starts with a real diagnosis, not a guess — here's the full scope of what our furnace repair technicians handle across Sonoma, CA.

Ignitor & Pilot Light Repair

Hot surface ignitors crack over time and simply stop glowing — we test resistance rather than replacing on assumption. Techs handling ignitor & pilot light repair carry the specific parts and tools this job calls for, not a generic kit.

Gas Valve Diagnostics

Faulty gas valves are treated as a safety-critical repair, prioritized accordingly. Techs handling gas valve diagnostics carry the specific parts and tools this job calls for, not a generic kit.

Heat Exchanger Inspection & Repair

A cracked heat exchanger is a carbon monoxide risk and gets flagged immediately with the furnace shut down if needed. Techs handling heat exchanger inspection & repair carry the specific parts and tools this job calls for, not a generic kit.

Blower Motor & Limit Switch Repair

We test motor amp draw against rated spec before replacement. This is one of the most requested furnace repair calls we get across Sonoma, CA.

Flue & Venting Repair

We inspect the full flue run, not just the connection at the furnace. Techs handling flue & venting repair carry the specific parts and tools this job calls for, not a generic kit.

Thermostat & Control Board Diagnostics

We test low-voltage circuits before condemning the board. This is one of the most requested furnace repair calls we get across Sonoma, CA.

24/7 Emergency Furnace Repair experts in Sonoma, CA

From Call to Fixed: Our Furnace Repair Workflow

1

Call Dispatch

Tell us the symptom — no ignition, cold air, gas smell, or error code — and we route accordingly.

2

Rapid Mobile Arrival

Techs arrive with combustion analyzers and common ignitor/gas valve stock loaded.

3

Expert Assessment & Quote

Flat-rate quote follows the confirmed fault, before repair begins.

4

Guaranteed Resolution

Heat exchanger findings are documented clearly regardless of outcome.

Reliable Furnace Repair contractor in Sonoma, CA by AAA Pro HVAC

Furnace Repair Customers in Sonoma, CA Speak Up

★★★★★

Furnace kept clicking like it wanted to light and never catching.

Harriet W. — Sonoma, CA
★★★★★

Turned out to be a failed gas valve — they caught it with a proper pressure test, not a guess.

Cyrus B. — Sonoma, CA
★★★★★

Shut the furnace down immediately for safety and walked me through the options.

Fiona R. — Sonoma, CA
★★★★★

Pilot light kept going out every few hours.

Nolan P. — Sonoma, CA
Trusted Furnace Repair service in Sonoma, CA - AAA Pro HVAC

Furnace Repair FAQ

Why does my furnace click but never actually light?+

Usually a failing ignitor or a fouled flame sensor — both are testable with the right equipment rather than replaced blind.

Is a cracked heat exchanger dangerous?+

Yes — it's a genuine carbon monoxide risk and we treat it as a safety issue, not a routine repair line.

Why is my furnace running but blowing cold air?+

This symptom shouldn't be ignored since it sometimes points to a safety-related fault.

Do you service both gas and electric furnaces?+

Electric resistance furnaces fail differently than gas units, and we diagnose accordingly.

How urgently should I call if I smell gas near my furnace?+

Immediately — leave the area and call, don't attempt to diagnose it yourself.

How fast can a furnace tech reach Sonoma during a cold snap?+

No-heat calls during freeze warnings are prioritized across Sonoma, CA.

Affordable Furnace Repair solutions in Sonoma, CA

Furnace Repair Coverage Across Sonoma, CA

We Cover Sonoma and Beyond

Whether you're in the heart of Sonoma or one of the surrounding communities, dispatch routes the closest available technician.

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Top rated local Furnace Repair specialists in Sonoma, CA
Sonoma is a city in Sonoma County, California, United States, located in the North Bay region of the San Francisco Bay Area. Sonoma is one of the principal cities of California's Wine Country and the center of the Sonoma Valley AVA. Sonoma's population was 10,739 as of the 2020 census, while the Sonoma urban area had a population of 32,679. Sonoma is a popular tourist destination, owing to its Californian wineries, noted events like the Sonoma International Film Festival, and its historic center.

Zip Codes in Sonoma, CA that we also serve: 95476

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Our Services in Sonoma, CA

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