The independent heating and cooling company across Maryland
Furnace Repair in Potomac, MD — Book a Visit Today
A furnace that lights, runs a minute, then shuts back down is short cycling, and that is a diagnosis rather than a guess you should make from the basement stairs. Homeowners call us for heating repair in Potomac when the burners will not stay lit, the blower runs cold, or the unit gets noisy on startup. If you smell gas, leave the house first, call 911 or the gas utility from outside, then call us. Otherwise check the filter and the breaker. Maryland cold snaps arrive fast, so reach us by phone or the quote form and we will schedule the furnace repair.
Call (888) 381-2953- A real person answers
- Open 7 days
- Written quote before work starts
Taking calls until 5:00 PM ET
Common furnace faults in Potomac homes
- 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
- There is a loud bang when the burners light Delayed ignition from a weak ignitor or dirty burners, worth looking at soon
- Some rooms stay cold no matter what Blower or duct airflow problems, closed vents or a failing motor capacitor
People call this furnace repair, heating repair or heater repair. Same visit, same written quote, same technician.
Potomac coverage
From Potomac we also cover Bethesda, Rockville, North Bethesda, Gaithersburg, Darnestown, Cabin John and Chevy Chase.
Other repairs we do in Potomac
- AC Repair
- Heat Pump Repair
- AC Installation
- Furnace Installation
- Ductwork Repair
- HVAC Maintenance
- Duct Cleaning
- Thermostat Installation
- Mini-Split Repair
- Indoor Air Quality
Furnace Repair in cities near Potomac
How we compare to other HVAC companies in Potomac
| Temple Heating & Air | Big-box repair chains | Handyman listings | |
|---|---|---|---|
| Written quote before any work | ✓ | ✕ | ✕ |
| Live answer seven days a week | ✓ | ✕ | ✓ |
| Every major brand, gas or electric | ✓ | ✓ | ✕ |
| Independent, no manufacturer quotas | ✓ | ✕ | ✓ |
| Local techs who know the housing stock | ✓ | ✕ | ✓ |
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.Furnace Repair in Potomac — quick answers
How fast can you get out for a no-heat call?
Call us and tell us there is no heat, and we will get you on the schedule as quickly as the day allows. No-heat calls move ahead of routine work. If anyone in the home is elderly, ill or very young, say so when you call.
Is furnace repair worth it on an older unit?
It depends on what failed and how the rest of the furnace looks. A single ignitor or flame sensor on a well kept furnace is usually an easy call. Repeated failures, a cracked heat exchanger or a rusted cabinet push the conversation toward replacement, and we will say so plainly.
What should I do if I smell gas?
Leave the building right away, take everyone with you, and call 911 or your gas utility from outside. Do not flip switches or use anything that sparks. Once the utility has made the property safe, call us and we will handle the furnace repair.
Why does my furnace keep needing the flame sensor cleaned?
A flame sensor gets coated over time and stops proving flame, so the furnace shuts down as designed. Frequent fouling often points to burner condition, combustion air or venting problems, so we look past the sensor itself to why it is dirtying so fast.
How soon can you get to my Potomac home?
Call us and we will give you a real window rather than a guess. Same day visits are often possible for no cooling or no heat calls in Potomac, though July heat waves and the first hard freeze in December fill the book fast. If you smell gas, leave the house first, call 911 or the gas utility from outside, then call us.
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.
Furnace Repair in Potomac
Each broken day has a price tag
Describe the fault, approve the written quote, get it fixed. Starting takes about a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →