The independent heating and cooling company across Maryland
Gas Furnace Repair in Rockville, MD
If you smell gas, get everyone out of the house first, then call 911 or your gas utility from outside. Once the line is safe, we take over gas furnace repair across Rockville: ignitors that glow but never light, flame sensors coated in residue, pressure switches tripping on a blocked flue, blower motors that hum without turning. Humid Maryland winters put moisture where it should not sit. Ring us with the model number handy, or use the quote form and we will call you back.
Call (888) 381-2953- A real person answers
- Open 7 days
- Written quote before work starts
Taking calls until 5:00 PM ET
What brings Rockville homeowners to this job
- The furnace blows but the air is cool Ignition failure, flame sensor fouling or a gas valve not opening
- It runs a few minutes then shuts off, over and over Short cycling from restricted airflow, an overheating limit switch or a dirty filter
- Nothing happens at all when I turn the heat on Thermostat, control board, transformer or tripped breaker on the circuit
What a gas furnace repair actually involves
A gas furnace has to prove several things before it will run, and any one of them can stop the heat. We start with the call for heat at the thermostat, then follow the sequence through the control board, inducer, pressure switch, igniter, gas valve and flame sensor. Once burners light, we watch how the unit behaves over a full cycle instead of leaving after the first flame. Plenty of failures only appear a few minutes in, when a limit trips or the blower quits early.<br><br>Diagnosis first, parts second.
What we check on the unit
We check the flame sensor and igniter, the gas valve and manifold, pressure switch and hose for blockage, the inducer motor, the blower motor and capacitor, limit switches and the control board. We inspect the heat exchanger for cracking and look at the flue and venting, which matters in older homes across the region where terminations get blocked. Return air and duct condition get a look too. In damp crawlspaces the ductwork and the furnace cabinet both take a beating, and that shows up as poor airflow.
Rockville coverage
From Rockville we also cover Bethesda, North Bethesda, Potomac, Kensington, Gaithersburg, Germantown, Silver Spring and the surrounding Montgomery County communities.
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Related furnace repair work in Rockville
What every visit includes
The quote comes first, in writing
Covering 147 cities across Washington DC, Delaware, Maryland and 5 more.Phones answered by people
Open 7 days, 8:00 AM to 5:00 PM ET.All major brands serviced
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.Gas Furnace Repair in Rockville — quick answers
My furnace lights then shuts off after a minute. What is that?
Usually a dirty flame sensor, a limit trip from restricted airflow, or a venting problem. Change the filter and make sure supply vents are open. If it keeps cycling, book a heating repair visit so we can watch the full sequence.
Should I keep resetting the furnace when it locks out?
Once is reasonable. Repeated resets are not. A lockout means the control board detected a fault, often related to gas, flame or venting, and forcing it to retry can make things worse. Call us instead.
How soon can you get to a Rockville home for AC repair?
Call us with your address and a short description of the problem and we will give you a real window rather than a vague promise. During a Rockville heat wave the schedule fills early in the day, so morning calls usually get seen sooner. If your home has someone elderly, very young or medically vulnerable inside, tell us on the phone and we will factor that into the order we run calls.
How it works
- Step 1
Tell us the symptom
Call or fill in the quote form. We ask what changed, when it started, and what the thermostat reads against the actual room temperature. That short conversation tells us what parts to load on the truck.
- Step 2
We diagnose on site
A technician checks the thermostat, the electrical side, airflow through the filter and coil, refrigerant behaviour and the outdoor unit. You get a plain explanation of what failed and why, before any work starts.
- Step 3
Repair and verify
We make the repair, then run the system through a full cycle and measure temperatures at the supply and return. If something upstream caused the failure, we tell you so it does not repeat.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- We know salt airCoastal homes lose condenser coils to salt corrosion years before inland systems do. We look for fin damage and pitted line sets on every visit, because a clean-looking unit can still be shedding capacity from the outside in.
- Humidity is part of the jobHurricane-season air loads a system in ways a temperature reading will not show. If your house feels clammy at 74 degrees, we look at run times, airflow and drainage rather than just adding refrigerant and leaving.
- Crawlspace realitiesHigh water tables mean wet ground under ductwork, rusted plenums and condensate lines with nowhere good to drain. We check what is happening under the floor, since that is often where comfort problems actually begin.
- Straight answersWe tell you what failed, what it will take to fix, and whether a repair makes sense on an older system. No pressure to replace something that has honest years left in it, and no vague diagnosis.
- All major brands, gas & electricIndependent service on Carrier, Trane, Lennox, Goodman, York and the rest.
- Straight answersWhen a replacement beats a repair, we tell you, sometimes before we roll a truck.
Gas Furnace Repair in Rockville
Booking gas furnace repair in Rockville
Describe the system and your ZIP. The written quote comes before any work starts.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →