Homeowners' pick for heating and cooling across Virginia and the Mid-Atlantic
Furnace Repair in Leesburg, VA — Book a Visit Today
If your furnace is blowing cool air, short cycling, or tripping the breaker every time it fires, that is a diagnostic visit and we can get out to you. We handle furnace repair in Leesburg on older gas units in colonials and on the ranch houses where the ducts run through a vented crawlspace and lose heat before it reaches the back bedrooms. Before you call, check the thermostat batteries and settings, look for a tripped breaker, and swap a loaded filter. If you smell gas, leave the house first, then call 911 or the gas utility, then us. Call or send the quote form and we will schedule your heating repair.
Call (888) 365-6280- A real person answers
- Open 7 days
- Written quote before work starts
Taking calls until 5:00 PM ET
Common furnace faults in Leesburg homes
- The furnace clicks, then nothing happens Ignitor, flame sensor or control board lockout
- It runs for two minutes and shuts off, over and over Short cycling from a dirty flame sensor, blocked flue or restricted airflow
- Air is coming out of the vents but it feels cool Burners not lighting, or the blower running on a fan setting
- There is a loud rattle or squeal when the heat kicks on Blower wheel, inducer motor or a failing bearing
- Upstairs never warms up while downstairs cooks Duct losses in a vented crawlspace, closed dampers or a weak blower
People call this furnace repair, heating repair or heater repair. Same visit, same written quote, same technician.
Leesburg coverage
From Leesburg we also cover Ashburn, Purcellville, Sterling, Hamilton, Round Hill, Middleburg, Lovettsville and the surrounding Loudoun County communities.
Other repairs we do in Leesburg
- 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 Leesburg
- Furnace Repair in Ashburn
- Furnace Repair in Sterling
- Herndon furnace repair
- Furnace Repair — Reston, VA
- Furnace Repair — Chantilly, VA
furnace repair across the region → · All Leesburg services →
How we compare to other HVAC companies in Leesburg
| James River 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 company, nobody's quota | ✓ | ✕ | ✓ |
| Local techs who know the housing stock | ✓ | ✕ | ✓ |
What you get on every job
The quote comes first, in writing
Covering 171 cities across Washington DC, Delaware, Maryland and 5 more.A real person answers
Open 7 days, 8:00 AM to 5:00 PM ET.Every major brand, gas and electric
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.Furnace Repair in Leesburg — quick answers
My furnace will not turn on at all. What should I do?
Check the thermostat batteries and setting, then look for a tripped breaker, and swap a filthy filter. If none of that brings it back, call us for heating repair. We do not want you opening panels or touching gas or high-voltage parts.
Is it worth repairing an older furnace?
Often yes, if the heat exchanger is sound and the failed part is an ignitor, sensor, motor or board. We tell you what we find and what the repair involves so you can weigh a repair against replacement without pressure from us.
What does a burning smell at first startup mean?
Dust burning off the heat exchanger is common the first cold week and fades within an hour or two. A smell that lingers, smells electrical, or comes with smoke means shut the system off at the thermostat and call us for furnace repair.
Why does my furnace keep shutting off before the house warms up?
Short cycling usually points to a flame sensor coated in residue, a restricted filter, a blocked flue or an overheating limit switch. It is a safety doing its job. Change the filter first, and if it repeats, book a visit.
How soon can you get to my house in Leesburg?
Call us with your address and what the system is doing and we will give you the next available window rather than a vague promise. Heat waves and the first hard freeze fill the schedule fastest, so no-cooling and no-heat calls get sorted by urgency. If you are waiting, keep the thermostat set where you want it, check the breaker and swap a clogged filter, and leave the rest for the technician.
How it works
- Step 1
Tell us the symptom
Call or fill in the form and describe what changed. Warm air, short cycling, a smell, water near the indoor unit. Details like that help us load the right parts before we leave.
- Step 2
We diagnose the whole system
We check the thermostat, the indoor unit, the outdoor unit and the ductwork, including runs in crawlspaces where damp air and loose joints quietly cause weak airflow and long run times.
- Step 3
You approve the fix
We explain what failed, what it takes to repair it, and what we would watch next season. Nothing gets replaced without your yes, and we clean up before we leave.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Humidity is our home groundMuggy summers and damp shoulder seasons drive most of the calls we take. We look at moisture and airflow together, not the cooling number alone, because a clammy house often means a sizing or duct problem.
- Crawlspace ducts get checkedOlder homes across the region run supply ducts through vented crawlspaces. Crushed flex, disconnected boots and soaked insulation show up constantly, and we get under the house to look instead of guessing from the register.
- Heating and cooling bothSame crew for air conditioning repair in July and heating repair in January. We know how your furnace, heat pump and air handler share ducts and a blower, so one visit covers the whole system.
- Plain talk on repair or replaceWhen a repair makes sense, we repair it. When a system is failing in ways that will keep costing you, we say so and explain why, then leave the decision with you and your timeline.
- All major brands, gas & electricCarrier, Trane, Lennox, Goodman, Rheem, York and more, as an independent company.
- Straight answersIf a system is not worth repairing, we say so, often right on the phone.
Furnace Repair in Leesburg
The longer it sits broken, the more it takes from you
Fault described, quote approved, repair done. The first step takes a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
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