Certified Gas & Electric Furnace Technicians
Safety-First Furnace Diagnostics

Pilot Light Out? Ignitor Failed? Furnace Repair in Old Greenwich, CT 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.

If you're dealing with a pilot light that won't stay lit, an ignitor that clicks but never catches, or a furnace that runs but blows cold air, you already know 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.

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Licensed Furnace Repair service in Old Greenwich, CT - AAA Pro HVAC

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.

What Sets Our Furnace Repair Team Apart in Old Greenwich, CT

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

Every truck across Old Greenwich, CT carries the tools and common parts specific to furnace repair, so most calls finish in a single visit.

Professional Furnace Repair technician working in Old Greenwich, CT

Combustion & CO Safety Checks

Cracked heat exchangers get flagged immediately as a safety issue, not just a repair line item.

Gas & Electric Certified Technicians

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

Flat-Rate Furnace Pricing

No push toward replacement when a repair genuinely solves the problem.

Cold-Weather Priority Dispatch

We understand a dead furnace in winter is a pipe-freezing risk, not just a comfort issue.

Our Full Range of Furnace Repair Services

From the first symptom to the final fix, these are the specific furnace repair services our Old Greenwich-area crews are equipped for.

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

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 Old Greenwich, CT.

Heat Exchanger Inspection & Repair

We use a combustion analyzer and visual borescope inspection, not guesswork. This is one of the most requested furnace repair calls we get across Old Greenwich, CT.

Blower Motor & Limit Switch Repair

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 Old Greenwich, CT.

Flue & Venting Repair

Blocked or improperly sloped venting can back-draft combustion gases into the home. 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. Techs handling thermostat & control board diagnostics carry the specific parts and tools this job calls for, not a generic kit.

24/7 Emergency Furnace Repair experts in Old Greenwich, CT

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 Old Greenwich, CT by AAA Pro HVAC

What Old Greenwich Customers Say About Our Furnace Repair

★★★★★

Tech tested the ignitor's resistance right in front of me and swapped it in under thirty minutes.

Harriet W. — Old Greenwich, CT
★★★★★

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

Cyrus B. — Old Greenwich, CT
★★★★★

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

Fiona R. — Old Greenwich, CT
★★★★★

Pilot light kept going out every few hours.

Nolan P. — Old Greenwich, CT
Trusted Furnace Repair service in Old Greenwich, CT - AAA Pro HVAC

Before You Call: Furnace Repair Answers

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?+

Could be a delayed ignition fault, a failed gas valve, or a limit switch issue — a full diagnostic narrows it down.

Do you service both gas and electric furnaces?+

Yes — our technicians are trained and certified on both fuel types.

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

Gas odor calls receive top dispatch priority.

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

No-heat calls during freeze warnings are prioritized across Old Greenwich, CT.

Affordable Furnace Repair solutions in Old Greenwich, CT

Furnace Repair Coverage Across Old Greenwich, CT

We Cover Old Greenwich and Beyond

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

☎ Call +1-866-805-8548 for Old Greenwich Service
Top rated local Furnace Repair specialists in Old Greenwich, CT
Old Greenwich is an affluent coastal village in Fairfield County, Connecticut, United States. As of the 2010 census it had a population of 6,611.

Zip Codes in Old Greenwich, CT that we also serve: 06870 6870

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Our Services in Old Greenwich, CT

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