We service both gas and electric furnace systems with manufacturer-trained technicians.
Flat-rate pricing quoted after diagnosis, no pressure toward a premature system replacement.
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 San Leandro, CA get treated with urgency, not a next-available-Tuesday slot.

Most furnace repair problems give some warning before they turn into a pilot light that won't stay lit, an ignitor that clicks but never catches, or a furnace that runs but blows cold air — catching it early usually means a shorter, cheaper fix.
AAA Pro HVAC built its furnace repair process around one idea: diagnose first, quote honestly, fix it right.
Every truck across San Leandro, CA carries the tools and common parts specific to furnace repair, so most calls finish in a single visit.

Cracked heat exchangers get flagged immediately as a safety issue, not just a repair line item.
Our crews are trained on standing pilot, hot surface ignition, and electric resistance furnace systems alike.
No push toward replacement when a repair genuinely solves the problem.
No-heat calls during freeze warnings get moved to the front of the schedule.
Every job starts with a real diagnosis, not a guess — here's the full scope of what our furnace repair technicians handle across San Leandro, CA.
Standing pilot systems get checked for thermocouple failure, the most common cause of a pilot that won't hold. This is one of the most requested furnace repair calls we get across San Leandro, CA.
A gas valve that won't open or won't seal is tested with proper manometer readings, not just listened to. This is one of the most requested furnace repair calls we get across San Leandro, CA.
We use a combustion analyzer and visual borescope inspection, not guesswork. This is one of the most requested furnace repair calls we get across San Leandro, CA.
A furnace that runs but never blows warm air often traces to a blower motor or limit switch fault. This is one of the most requested furnace repair calls we get across San Leandro, CA.
We inspect the full flue run, not just the connection at the furnace. This is one of the most requested furnace repair calls we get across San Leandro, CA.
We test low-voltage circuits before condemning the board. Techs handling thermostat & control board diagnostics carry the specific parts and tools this job calls for, not a generic kit.

Tell us the symptom — no ignition, cold air, gas smell, or error code — and we route accordingly.
Techs arrive with combustion analyzers and common ignitor/gas valve stock loaded.
Flat-rate quote follows the confirmed fault, before repair begins.
Most ignition and control repairs finish same-visit.

Tech tested the ignitor's resistance right in front of me and swapped it in under thirty minutes.
Turned out to be a failed gas valve — they caught it with a proper pressure test, not a guess.
They found a hairline crack in the heat exchanger I never would've noticed.
Thermocouple was the culprit, replaced and tested before the tech left.

Usually a failing ignitor or a fouled flame sensor — both are testable with the right equipment rather than replaced blind.
We'll walk you through options including repair versus replacement honestly.
Could be a delayed ignition fault, a failed gas valve, or a limit switch issue — a full diagnostic narrows it down.
Yes — our technicians are trained and certified on both fuel types.
Gas odor calls receive top dispatch priority.
No-heat calls during freeze warnings are prioritized across San Leandro, CA.

Whether you're in the heart of San Leandro or one of the surrounding communities, dispatch routes the closest available technician.
☎ Call +1-866-805-8548 for San Leandro Service