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 Greenbelt, MD get treated with urgency, not a next-available-Tuesday slot.

Waiting rarely saves money and often turns a same-day repair into a longer, more involved job.
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.
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.
We understand a dead furnace in winter is a pipe-freezing risk, not just a comfort issue.
Every job starts with a real diagnosis, not a guess — here's the full scope of what our furnace repair technicians handle across Greenbelt, MD.
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 Greenbelt, MD.
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 Greenbelt, MD.
We use a combustion analyzer and visual borescope inspection, not guesswork. This is one of the most requested furnace repair calls we get across Greenbelt, MD.
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 Greenbelt, MD.
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 Greenbelt, MD.
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 Greenbelt 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.

A clicking-but-not-lighting pattern is one of the most common furnace complaints we diagnose.
Yes — it's a genuine carbon monoxide risk and we treat it as a safety issue, not a routine repair line.
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.
Immediately — leave the area and call, don't attempt to diagnose it yourself.
No-heat calls during freeze warnings are prioritized across Greenbelt, MD.

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