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 Mount Vernon, VA 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.
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.

Cracked heat exchangers get flagged immediately as a safety issue, not just a repair line item.
We carry manufacturer service manuals for major furnace brands.
No push toward replacement when a repair genuinely solves the problem.
We understand a dead furnace in winter is a pipe-freezing risk, not just a comfort issue.
From the first symptom to the final fix, these are the specific furnace repair services our Mount Vernon-area crews are equipped for.
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 Mount Vernon, VA.
Faulty gas valves are treated as a safety-critical repair, prioritized accordingly. This is one of the most requested furnace repair calls we get across Mount Vernon, VA.
A cracked heat exchanger is a carbon monoxide risk and gets flagged immediately with the furnace shut down if needed. This is one of the most requested furnace repair calls we get across Mount Vernon, VA.
A furnace that runs but never blows warm air often traces to a blower motor or limit switch fault. Techs handling blower motor & limit switch repair carry the specific parts and tools this job calls for, not a generic kit.
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.
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.
We confirm your Mount Vernon address and a realistic arrival window.
Safety check first — combustion and carbon monoxide — then full mechanical diagnostics.
Most ignition and control repairs finish same-visit.

Furnace kept clicking like it wanted to light and never catching.
Old furnace was blowing cold air even though the blower ran fine.
Shut the furnace down immediately for safety and walked me through the options.
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.
This symptom shouldn't be ignored since it sometimes points to a safety-related fault.
Yes — our technicians are trained and certified on both fuel types.
Immediately — leave the area and call, don't attempt to diagnose it yourself.
Call dispatch for a live arrival estimate based on current demand.

Our furnace repair crews are positioned throughout Mount Vernon, VA to keep response times realistic, not just promised.
☎ Call +1-866-805-8548 for Mount Vernon Service