Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Fast, Reliable Furnace Repair Across Lilburn
Furnace repair in Lilburn typically runs $150-$700, and most calls we handle are same-visit fixes for short-cycling burners, failed ignitors, and blower motors that have been pushed past their limit by collapsed crawl-space ductwork. If your heat is out on a cold January night in Gwinnett County, we answer the phone live at (747) 966-3037 and can usually have a background-checked technician at your door the same day. We know the ranch homes off Killian Hill Road, the split-levels along US-29, and the specific duct problems that show up in 1970s-era Lilburn houses more than anywhere else in the metro.
Why Meadowsweet Heating & Air Is Lilburn’s Preferred Furnace Repair Company
Lilburn homeowners call us because we treat the house like it matters after the repair is done. Every Meadowsweet tech wears shoe covers and lays down drop cloths before stepping onto your floors, and you get a photo of the clean-up before the crew leaves. That’s not an upsell. It’s the Cedarwell Care Promise, and it’s been part of how we work since Cedarwell was founded in 2004. Luis Serrano leads our team, and the standard he holds is simple: a written price before any work starts, a 365-Day Done Right Promise on every job, and a crew that respects your kids’ nap schedule and your dog’s favorite spot by the vent.
We service nine equipment brands, including Goodman, Rheem, and York, which matters when you need a part that the local supply house doesn’t stock that week. Our techs know which fault codes trip on a Goodman board versus a Rheem, and we carry common ignitors, capacitors, and pressure switches on the truck for faster turnaround in Lilburn.
Heating Repair in Lilburn
Heating repair in Lilburn usually means diagnosing why a furnace that worked fine last winter is now short-cycling, blowing cold air, or refusing to light at all. In the 1970s and early-1980s ranch homes that dominate the neighborhoods off Killian Hill Road and Lawrenceville Highway, the root cause is frequently not the furnace itself. It’s the duct system underneath the house. A heating repair call in Lilburn runs $150-$700 depending on what the tech finds once they open the blower compartment and check static pressure.
What Our Techs Actually Check
We start with the heat exchanger, the ignitor, and the flame sensor. Then we check static pressure across the blower, because a collapsed flex duct in a vented crawl space will make a perfectly good furnace behave like it’s failing. In Lilburn, that second check is what separates a real diagnostic from a part swap.
When You Should Call Us
Call when the furnace is short-cycling, the house feels clammy even with the thermostat up, or you smell gas near the unit. That last one is a genuine safety issue. Shut the system off at the breaker and call us or your gas provider before anyone touches the equipment. Gas valves and burners are not a DIY repair.
Boiler Repair in Lilburn
Boiler repair in Lilburn is less common than furnace work, but the older split-levels and ranch homes that still run hydronic heat need the same careful attention when a circulator pump fails or a zone valve sticks. A boiler repair call in Lilburn runs $150-$700. The challenge here is access: many of these boilers sit in tight closet installs or low-clearance mechanical rooms where the service valve is behind the unit, and no tech can reach the relief valve without pulling panels.
Common Boiler Failures We See
The most frequent calls are for cold zones on one floor, banging pipes from trapped air, and pressure gauges that climb overnight. Left alone, a failed relief valve or a blocked condensate line can turn a $200 fix into water damage across a finished basement floor.
The Cedarwell Care Promise on Every Call
You get a written price before we open a single panel. We ask before moving anything stored near the boiler. We lay drop cloths from the door to the mechanical room, and we send you a photo of the clean-up when the job is done. That’s the standard, on every visit, not just the big repairs.
Trusted Brands We Service in Lilburn
Our techs are qualified to repair furnaces and boilers from Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Lilburn customers, that means we can usually source a Goodman ignitor or a Rheem pressure switch same-day from local supply houses, and we know the specific failure patterns these brands show in Georgia humidity. We won’t tell you a 12-year-old York needs to be replaced when a $200 blower motor gets it through another season.
Common Furnace Repair Problems We See in Lilburn Homes
- Collapsed crawl-space flex duct. Decades of Georgia humidity and red-clay ground moisture rot the outer jacket of original flex duct in 1970s ranch homes. The collapse drives static pressure up until the blower motor overamps and the furnace short-cycles, which looks like a control board fault.
- Frozen heat pump lines after winter ice events. Lilburn’s brief but real ice storms knock heat pump defrost cycles out of calibration. Degraded line-set insulation on R-22-era equipment lets refrigerant lines freeze, and the furnace gets blamed for a heat pump problem.
- Ignitor failures on original units. Hot surface ignitors crack after years of thermal cycling. We replace them frequently in the Killian Hill corridor, usually as a same-visit fix that restores heat that night.
- Low service clearance in closet installations. Dense Lilburn splits often put the furnace in a hallway closet with no room to pull the blower wheel. Deferred maintenance in those tight spots is why January no-heat calls spike here every winter.
Pricing for Furnace Repair in Lilburn, GA
Furnace repair in Lilburn costs between $150 and $700 for the vast majority of jobs. A diagnostic visit with a common part replacement like a capacitor, ignitor, or flame sensor lands at the lower end. A blower motor replacement, gas valve, or control board pushes toward the upper end. Here are the line items we quote from:
| Service | Typical Lilburn Price Range |
|---|---|
| Furnace repair diagnostic and common part replacement (capacitor, ignitor, blower motor) | $150-$700 |
| Heating repair call | $150-$700 |
| Boiler repair call | $150-$700 |
| Seasonal tune-up (furnace or heat pump) | $80-$200 |
We give you a written price before any work starts, so the number on the invoice is the number you approved. No overtime charges on emergency calls, and the estimate is free. Call (747) 966-3037 and we’ll give you an exact figure after a diagnostic, not after a sales pitch.
We Also Serve Cities Near Lilburn
Our Furnace Repair team covers Lilburn and the surrounding Gwinnett County communities, including Snellville, Lawrenceville, Grayson, and Buford. If you’re in one of those cities and need furnace repair, the same Cedarwell Care Promise applies. If you’re in Lilburn, you’re already home base.
Serving Lilburn, GA - Our Local Coverage Area
We’re based in the Lilburn area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Furnace Repair in Lilburn
Gwinnett County’s Building and Construction division in Lawrenceville issues all HVAC permits for Lilburn, not the City of Lilburn. During spring and fall peak seasons, the county inspection queue backs up enough that out-of-area contractors routinely misquote timelines. Our team builds that lag into every job schedule so you’re not left without heat waiting on an inspector. Call (747) 966-3037 if you need a repair or replacement and want a realistic timeline.
The most common cause in Lilburn is collapsed flex duct in a vented crawl space, not the furnace itself. When original ductwork from the 1970s rots and leaks conditioned air into the crawl space, static pressure climbs and the blower motor overamps, so the furnace shuts off early. We diagnose this with a static pressure reading before replacing any parts. If your house in the Killian Hill corridor is doing this, call (747) 966-3037 for a proper diagnostic.
Not necessarily. A technician who jumps straight to replacement without checking the duct system is skipping the more likely fix in a 1970s Lilburn home. Many R-22-era furnaces still have years of life left once the duct static pressure problem is corrected and the blower motor is replaced. We’ll show you the numbers before recommending anything. Call (747) 966-3037 for a second opinion, and ask us to check the ductwork while we’re there.
Usually not. The heat pump’s defrost cycle gets knocked out of calibration by ice, and degraded line-set insulation on older units lets the refrigerant lines freeze. It presents as a furnace fault because the auxiliary heat won’t engage, but the fix is typically a defrost board recalibration and line-set insulation replacement, not a new furnace. We see this every winter in Lilburn. Call (747) 966-3037 and we’ll diagnose the actual fault.
Furnace repair in Lilburn costs $150-$700 for the large majority of jobs. A diagnostic and a common part replacement like an ignitor or capacitor lands at the lower end of that range. A blower motor, gas valve, or control board replacement pushes toward the upper end. You’ll get a written price before any work begins, and the estimate is free. Call (747) 966-3037 for an exact quote on your specific furnace.
What Makes Lilburn Furnace Repair Different
Every HVAC permit for a Lilburn furnace repair goes through Gwinnett County’s Building and Construction division in Lawrenceville, not the City of Lilburn. That’s a fact most out-of-area contractors don’t plan for. During spring and fall peak, the county’s inspection queue backs up far enough that timelines get missed. We’ve been through enough of those cycles to schedule our Lilburn jobs around the county calendar, not against it. It’s the kind of local knowledge you can only get by doing the work here repeatedly.
We rolled a truck to a 1979 split-level off Killian Hill Road where the homeowner’s Carrier furnace was short-cycling and the house felt clammy even with the thermostat set to 68. Our tech found the blower motor pulling high amps against a static pressure reading that was off the charts – the original flex duct in the vented crawl space had collapsed and was leaking conditioned air into the red-clay ground moisture. We replaced the blower motor, resealed the trunk line, and ran a load calculation before recommending a tonnage adjustment; the heat exchanger checked out clean, so the homeowner avoided a full system replacement that trip. That’s the difference between fixing the symptom and fixing the house.
Lilburn’s residential core is dense with 1970s to early-1980s ranch-style and split-level homes built during Gwinnett County’s first major suburban boom. Most sit on vented crawl spaces with original flex ductwork now decades past its useful life. That combination – duct systems leaking conditioned air into unconditioned crawl spaces, equipment sized for a pre-energy-code era, and metro Atlanta’s punishing summer latent loads – makes duct replacement and crawl-space encapsulation the defining HVAC challenge in Lilburn in a way that newer-built neighboring suburbs like Snellville or Grayson simply do not face at the same scale. A furnace repair here often turns into a duct-static-pressure diagnostic, not just a part swap. That’s why we check static pressure on every heating call in Lilburn, even when the complaint sounds straightforward.
If your heat is struggling and you want a technician who understands Lilburn’s housing stock as well as your furnace, call (747) 966-3037 for a free estimate. Luis Serrano and the Meadowsweet crew will show up on time, give you a written price before touching a thing, and leave your home cleaner than we found it, with the photo to prove it.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving Lilburn with the Cedarwell Care Promise.







Before
After
Before
After
Before
After