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.
Before
After
Before
After
Before
AfterFast, Reliable Furnace Repair Across Lilburn
Furnace repair in Lilburn, GA typically runs $150 – $700 depending on the part, and most no-heat calls get a same-day visit from our crew. We cover every neighborhood from the split-levels off Lawrenceville Highway to the newer builds near Harmony Grove. If your heat is out tonight, call (361) 306-9515 and a real person answers, 24/7. No voicemail queue, no “we’ll get back to you.”
Dalton Heating & Air has been operating under The Garrison Standard since 2003. Marco Benitez leads our team, and every repair carries a written price before work starts plus a full-year written guarantee. That’s not an upgrade. It’s the default.
Why Dalton Heating & Air Is Lilburn’s Preferred Furnace Repair Company
Lilburn homeowners call us because we show up when we say we will and the price doesn’t move once we’re at the door. The Garrison Code runs the same on every job: arrive inside the stated window, put the price in writing, do the work by the book, leave the site clean, and stand behind it for 365 days.
Our team knows Lilburn’s housing stock. We’ve pulled blower motors on Huff Drive, diagnosed bad gas valves in the Hunters Hill area, and replaced cracked heat exchangers in homes along Five Forks Trickum Road. That local pattern recognition means we carry the right parts on the truck instead of running back to the shop twice.
Every technician is background-checked, uniformed, and factory-trained on nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. You’ll know who’s coming before they pull into your driveway.
Dispatch and scheduling are coordinated from the brand’s Atlanta office, but the crews serving Lilburn are local and we move fast for no-heat calls.
Heating Repair in Lilburn
Heating repair in Lilburn means getting heat back into a house fast when the temperature drops and the furnace won’t cooperate. Most heating repair calls we run in this area land between $150 and $700, with the price in writing before we touch a tool.
What pushes a repair toward the high end? A blower motor replacement or a heat exchanger issue will sit at the top of that range. A failing ignitor, flame sensor cleaning, or gas valve adjustment runs lower. Either way, you’ll see the exact number on paper before we start.
Lilburn’s shoulder seasons push furnaces through long idle stretches. When the first real cold snap hits in November or December, homes that ran fine all spring suddenly won’t light. We see a wave of these calls every year, usually in the neighborhoods around Parkview High School and the older subdivisions west of Highway 29.
Ignitor and Flame Sensor Work
The ignitor is the small ceramic piece that glows to light the burner. When it cracks, your furnace runs the draft inducer but never fires. We stock replacement ignitors for the major brands on our trucks, so this is usually a one-visit fix in Lilburn.
A dirty flame sensor tells the control board the burners didn’t light, which shuts the furnace back down after a few seconds. It’s a quick clean or replacement, typically at the low end of the repair range.
Blower Motor and Airflow Repairs
If your furnace fires but the air never moves, the blower motor or run capacitor is likely failing. Older Lilburn homes with original ductwork sometimes run high static pressure, which stresses the blower and shortens its life. We’ll test the motor, check the capacitor, and show you what we found before we quote anything.
Boiler Repair in Lilburn
Boiler repair in Lilburn comes up less often than furnace work, but the homes that have hydronic heat tend to be older and the systems need a knowledgeable hand. Repairs on a residential boiler in this market run $150 – $700, same as furnace work, and we write the price down before anything happens.
A boiler that loses pressure, makes banging noises, or won’t hold temperature usually needs a new expansion tank, air vent, circulator pump, or a zone valve. These are straightforward repairs when the technician actually knows hydronics. We do.
Most Lilburn boiler calls we run are in homes built in the 1960s through 1980s, scattered around the neighborhoods near Killian Hill Road and Beaver Ruin Road. Baseboard heat is quieter than forced air, but it’s not immune to failure, and a boiler that quits in January is a house that gets cold in a hurry.
Circulator and Zone Valve Repairs
The circulator pump moves hot water from the boiler through the baseboards or radiators. When it seizes, you get no heat even though the boiler fires. A failed zone valve causes one room or floor to stay cold while the rest of the house heats normally. Both are repairable in one visit most of the time.
Pressure and Expansion Tank Issues
A boiler that keeps losing pressure, or one that spikes the relief valve, usually points to a waterlogged expansion tank or a small leak somewhere in the loop. We’ll find the source, quote the fix in writing, and get your heat back on.
Trusted Brands We Service in Lilburn
We’re factory-trained on all nine major residential brands, and the ones we see most in Lilburn are Goodman, Rheem, York, and Daikin. The split-levels off Lawrenceville Highway are full of good-running Goodman and Rheem units from the 1990s and 2000s. The newer construction near Harmony Grove leans Daikin and York.
Because we work on these brands every week in this market, our trucks carry the common parts: ignitors, flame sensors, pressure switches, capacitors, gas valves for Goodman and Rheem, and the usual York and Daikin components. That means fewer second trips for Lilburn customers.
Common Furnace Repair Problems We See in Lilburn Homes
- Oversized furnaces short-cycling in older split-levels. Many 1970s homes on streets branching off Lawrenceville Highway had furnaces sized by rule of thumb rather than real load math. The result is a unit that cycles on and off constantly, which cooks the heat exchanger and raises gas bills without ever holding a steady temperature.
- Original 1970s-80s ductwork choking the new furnace. High static pressure from undersized or leaky ducts starves the blower motor and trips the limit switch. The furnace shuts down repeatedly even though nothing is actually wrong with the furnace itself.
- First-cold-snap failures after summer idle. Lilburn’s shoulder seasons mean furnaces sit unused for months. When the first real freeze hits, we see a spike in seized blower motors, failed ignitors, and thermostats that drifted out of calibration during the summer.
- Short-cycling that returns after a simple repair. A tech replaces a limit switch or resets the board, and the symptom comes back in two weeks. The real problem is usually airflow or sizing, not the part that failed first. That’s why we test static pressure and look at the whole system, not just the component that broke.
Pricing for Furnace Repair in Lilburn, GA
Here are the actual ranges for this market. These are the numbers we quote in Lilburn, not a national average:
| Service | Lilburn Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Heating Repair | $150 – $700 |
| Boiler Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
| AC Repair | $150 – $650 |
| AC Installation | $3500 – $7500 |
Most furnace repair calls in Lilburn land between $150 and $450. A bad ignitor, dirty flame sensor, or failed pressure switch runs on the lower end. A blower motor replacement or heat exchanger issue pushes toward $600-$700. Whatever the number, it’s in writing before we start, and there’s no overtime charge even on nights and weekends.
Every repair includes our full-year written guarantee. If the repair fails within that window, we return at no charge. That’s the Done Right Promise, and it applies to every Lilburn job.
We Also Serve Cities Near Lilburn
Our crews run calls in Furnace Repair territory across the east metro. Beyond Lilburn, we regularly serve Snellville, Lawrenceville, Grayson, and Buford. If you’re in one of those cities and your furnace is acting up, the same Furnace Repair in Lilburn team can reach you quickly. Same written pricing, same guarantee.
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
At 20 years old, a $600 repair on a furnace usually buys you one or two more seasons, not five. If the heat exchanger is the problem, we’ll typically recommend replacement, because the repair cost plus the efficiency loss on a 20-year-old unit rarely makes sense as a long-term play. We run a load calculation on every replacement quote in Lilburn, and we’ll show you the numbers for repair versus replacement side by side so you can decide with real math, not a sales pitch. Call (361) 306-9515 and we’ll walk you through it.
Short-cycling that returns after a repair usually points to an airflow or sizing problem, not the part that was replaced. In Lilburn’s older split-levels, the ductwork is often undersized for the furnace, so static pressure builds, the limit switch trips, and the unit shuts down early. A previous tech may have swapped a switch and sent the bill without testing the actual airflow. We measure static pressure and verify the furnace size against a load calculation before calling it fixed. If your furnace is still short-cycling, call us for a real diagnosis.
SEER2 is the updated efficiency rating for cooling, and on a furnace replacement quote it usually applies to the heat pump or AC side of a matched system. For the furnace itself, you’re looking at AFUE: an 80% AFUE furnace sends 20 cents of every gas dollar up the flue, while a 96% AFUE unit keeps nearly all of it in your house. In Lilburn’s winter climate, moving from an old 80% unit to a 96% one can cut your gas bill noticeably, and we can show you that difference on paper before you choose. Call (361) 306-9515 for a quote with the real numbers.
We run same-day response for no-heat calls across Lilburn, including evenings and weekends. Our crews are dispatched from the metro area and we prioritize no-heat situations, especially when temperatures are below freezing. Call (361) 306-9515 and a live person answers 24/7, gives you an arrival window, and gets a truck moving toward your house.
We service all nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. In Lilburn specifically, we see a lot of Goodman and Rheem in the older subdivisions and more Daikin and York in newer construction near Harmony Grove. We stock common parts for these brands on our trucks, so most repairs are a single visit. If you have a less common brand, we can still diagnose it and most likely fix it same day or next day.
Call Dalton Heating & Air for Furnace Repair in Lilburn
If your furnace is down and the house is cold, call (361) 306-9515. A real person answers, we give you an arrival window, and the price is in writing before any work begins. Every repair carries our full-year written guarantee with a free return visit if the work doesn’t hold. That’s The Garrison Standard, and it applies to every call we run in Lilburn.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Lilburn and the surrounding metro under The Garrison Standard since 2003.