Furnace trouble lands differently in Georgetown than almost anywhere else in the District. The Federal-style rowhouses lining O, P, and Dumbarton Streets were built long before central heat, and the systems tucked into their cellars and converted closets are often working around brick, low ceilings, and ductwork that was threaded in decades after the house went up. When one quits — a furnace that won't light, a blower that's gone silent, short-cycling that never lets the upstairs warm up — the fix usually isn't just the part; it's getting to the part at all. Our technicians are used to crouched mechanical rooms, shared party walls, and the kind of tight access that makes a 30-minute job a careful one. We diagnose the actual fault, quote a flat rate before we touch anything, and carry the common failure points (igniters, flame sensors, ignition control boards, blower motors and capacitors) so most no-heat calls end the same visit.
The neighborhood's housing stock also shapes what 'furnace repair' even means here. Plenty of Georgetown homes never got conventional ducting — owners went with high-velocity systems or ductless heat pumps precisely because the Old Georgetown Board limits what can be added to a historic shell. So a heating call might be a classic gas furnace in a 19th-century rowhouse, a high-velocity air handler squeezed into an attic knee-wall, or a mini-split that stopped heating in a coach-house renovation. We service all three, and we're blunt about the one that matters most for safety: a cracked heat exchanger in an aging furnace is a carbon-monoxide risk, and in a tightly sealed historic home with little air change, it's not something to defer. If we find one, we'll show you, explain the options honestly, and never push a replacement you don't need.
Georgetown note: Because the Old Georgetown Board restricts visible exterior equipment, many homes here can't simply hang a new condenser or vent on a street-facing wall — so we work within what's already permitted, repairing in place and routing any venting through existing penetrations rather than cutting new ones into a protected facade.
Common Furnace Repair Issues We Fix in Georgetown
- Furnace blowing cold air or producing no heat at all
- Failed igniter or dirty flame sensor (furnace starts then shuts off)
- Short-cycling — turning on and off rapidly
- Cracked heat exchanger creating a carbon monoxide danger
- Blower motor failure or weak airflow
- High-limit safety switch tripping repeatedly
What's Included
- Full diagnostic to pinpoint the exact cause of the no-heat or performance issue
- Igniter, flame sensor, and ignition system repair or replacement
- Blower motor, capacitor, and control board troubleshooting
- Limit switch, thermostat, and safety control testing
- Carbon monoxide and cracked heat exchanger safety inspection
- Repairs for short-cycling, cold-air, and frequent shutdown problems
- Upfront flat-rate quote and a satisfaction guarantee on every repair
Explore our full Furnace Repair service, or see all HVAC services in Georgetown.
What It Costs
In Washington, DC, a furnace diagnostic typically runs about $75 to $200, and that fee tells us exactly what's wrong before any repair starts. Most furnace repairs fall between $150 and $650 depending on the failed part, whether it's a flame sensor, igniter, capacitor, or blower motor. Every job comes with a flat-rate quote up front, and we're happy to provide a free estimate before you commit, so just call to get an honest number for your situation.