Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal 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.
Get your free estimateFast, Reliable Furnace Repair Across Roswell
Furnace repair in Roswell typically runs $150 – $700, and most jobs are done in a single visit. That range covers everything from an ignitor replacement on a Rheem unit to a full gas valve swap on a York system in one of the 1980s colonials off Holcomb Bridge Road. We answer the phone with a live person around the clock, and our crews roll into Roswell from the Atlanta dispatch office with written pricing in hand before any wrench turns. Call (478) 400-5908 and you’ll know exactly who is coming, when they’ll arrive, and what the repair costs before you hang up.
Why Dalton Heating & Air Sandy Springs Is Roswell’s Preferred Furnace Repair Company
Marco Benitez runs our Roswell furnace repair operation under The Garrison Standard, the same operational code that has governed every Garrison Partners job since 2003. What that means in plain terms: a background-checked, uniformed technician arrives inside the stated window, puts the price in writing before any work starts, does the job by the book, leaves the site cleaner than he found it, and stands behind the repair for a full year. If the fix does not hold, we return at no charge. That is not a sales pitch. It is the written rule, on every ticket, without exception.
Roswell homeowners have a particular set of headaches when the heat quits in January. The older streets off Canton Street and the riverside lots along the Chattahoochee have basements and crawlspaces that hide decades of shortcut work. Our techs know these houses. They know to check static pressure before condemning a furnace on a 1920s bungalow addition, and they know that a short-cycling furnace near Waller Park is often a duct problem before it is a control board problem. That local instinct saves Roswell customers from paying for the wrong repair.
Our Furnace Repair team runs calls across Roswell every day, from the subdivisions off Highway 9 down to the historic district. Most repair jobs get same-day or next-morning slots, and we carry common parts for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard on the truck so we are not waiting on a warehouse run to finish the job. When your heat is out and it is 38 degrees at 2 a.m., that matters.
Styles & brands we work with







Gas Furnace Repair in Roswell
Gas Furnace Repair in Roswell means diagnosing and fixing the burners, ignition system, gas valve, heat exchanger, or blower that moves heated air through a home built anywhere from the 1880s to last year. Our techs are factory-trained on all nine major residential brands, including Daikin and Bryant systems we see frequently in the Roswell area. A gas furnace repair in Roswell runs the same $150 – $700 range the market dictates, with the most common jobs landing between $200 and $400. The variable is what failed, not what we can get away with charging.
Heat Exchanger Repair
A cracked heat exchanger is the one repair we never rush and never fudge. In Roswell’s river-valley humidity, exchangers corrode faster than in drier cities, so we see more of these failures in 15-to-20-year-old furnaces than a tech in Kennesaw might. We inspect with a borescope, show you the crack on camera, and give you a written quote before touching anything. If the exchanger is out of spec, we tell you plainly whether repair or replacement makes more sense for that specific unit and house.
Ignitor and Gas Valve Replacement
Ignitors are the single most common furnace failure point, and a surface ignitor swap usually runs $180 – $300 in Roswell. Gas valves fail less often but cost more, commonly $350 – $550 with labor and testing. Both jobs are straightforward for our crew, and both carry the same full-year written guarantee. We test combustion after every gas valve replacement, because a valve off by half an inch of water column is a safety issue, not a tune-up issue.
Furnace Tune Up in Roswell
Furnace Tune Up in Roswell is an $80 – $200 preventive service that catches the small failures before they become January middle-of-the-night repair calls. We check gas pressure, clean the flame sensor, test the blower capacitance, measure temperature rise across the heat exchanger, and inspect the flue for blockages. Roswell humidity means we also look closely at heat exchanger corrosion and control board connections that oxidize faster near the Chattahoochee River valley. A tune-up is an hour of our time and it usually prevents the $500 repair you did not schedule.
Full System Health Check
Our techs run a 21-point inspection on every tune-up, not a quick walk-through with a filter swap. We get a written report showing what we measured, what passed, and what is trending toward failure. You get the same report whether or not we find anything to sell. That is the point of the flat-price tune-up: information first.
Duct and Airflow Assessment
This is the part most HVAC companies skip, and it is the exact reason Roswell homes with additions have uneven heating. We measure static pressure and check duct sizing in the zones you say are always cold. If your Canton Street bungalow has a furnace that short-cycles, the problem is often not the furnace at all. It is the 1970s ductwork buried behind a 1990s drywall ceiling.
Trusted Brands We Service in Roswell
We service Rheem, York, Daikin, and Bryant, plus five other major residential brands, and we stock common parts locally for fast turnaround in Roswell. If your furnace has a York control board that fails on a Thursday, we are not special-ordering from Georgia and hoping it arrives by Sunday. Our parts inventory covers the high-failure components, and our techs are factory-trained to diagnose across brands without guessing. That means one visit, not three.
See the difference
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After
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AfterCommon Furnace Repair Problems We See in Roswell Homes
- Short-cycling from undersized ducts in Canton Street-area homes. Decades of additions leave original basements and crawlspaces with ductwork that is too small for the house as it stands now. The furnace overheats, trips its limit switch, and shuts down early. Swapping the unit does nothing. The fix is re-balancing, zoning, or duct modification.
- Heat exchanger rust from Chattahoochee River humidity. Roswell’s muggy air pulls moisture into basements and crawlspaces, accelerating corrosion on furnaces that run in damp environments. We see 10-to-12-year-old exchangers with rust-through in Roswell that would still look clean in drier cities.
- Rooftop and closet installations with access problems. In Roswell’s tighter subdivisions, builders put furnaces in attic corners, closets, and even roofs to save square footage. When the clearance is too tight for a proper pressure check, refrigerant and gas leaks go unnoticed for years until they cause a breakdown. Our techs carry right-angle gauges and inspection cameras for exactly these setups.
- Control board failures from oxidized connections. The river valley’s humidity plus the temperature swings between heated attics and cold crawlspaces stress electrical connections. We replace more blower control boards and flame rollout switches in Roswell than in any drier nearby service area.
Pricing for Furnace Repair in Roswell, GA
Here are the honest numbers for this market, in writing, the same as we would quote over the phone.
| Service | Typical Cost in Roswell |
|---|---|
| Furnace Repair | $150 – $700 |
| Gas Furnace Repair | $150 – $700 |
| Furnace Tune Up | $80 – $200 |
What pushes a repair to the top of that range is usually the part itself. An ignitor is cheap. A variable-speed blower motor for a newer York or Daikin unit is not. Labor is flat and quoted before we start, so the final bill is never a surprise. We give every Roswell customer a free estimate and a written price before any work begins. If we find something extra during the repair, we stop, show you what we found, and get your approval in writing before we continue. Call (478) 400-5908 and we will give you an exact quote, not a window.
We Also Serve Cities Near Roswell
Beyond our Roswell service area, Dalton Heating & Air Sandy Springs runs furnace repair calls in Kennesaw and the surrounding communities. Same written pricing, same full-year guarantee, same live answer on the phone. If your furnace is down and you are just outside Roswell, call us anyway. We will tell you straight if we can get a truck to you.
Serving Roswell, GA - Our Local Coverage Area
We’re based in the Roswell 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 Roswell
Your furnace is most likely overheating because the ductwork in your house is undersized for the home it has become. Homes near Canton Street grew in pieces over decades, and the original duct runs were sized for a smaller footprint. When the furnace pushes air into ducts that are too small, static pressure climbs, the heat exchanger overheats, and the limit switch shuts the unit down early. The fix is diagnostic work we do on a first visit: static pressure readings, duct measurements, and a written plan. Unit replacement alone will not solve it. Call (478) 400-5908 and we will put numbers on paper before anything else.
High humidity accelerates corrosion inside your furnace, especially on the heat exchanger and control board. Roswell’s location in the Chattahoochee River valley means basements and crawlspaces hold moisture that migrates through duct boots and cabinet seams. The practical answer is an annual tune-up that includes a corrosion check, plus a dehumidifier or sealed crawlspace if the moisture is excessive. Our tune-up inspection catches early rust before it becomes a cracked exchanger or a fouled board. Call (478) 400-5908 to schedule one.
Most furnace repairs in Roswell run between $150 and $700, with the most frequent jobs landing in the $200 – $400 range. That is the honest market spread for an ignitor, flame sensor, gas valve, control board, or blower motor replacement, depending on the part and brand. We put your exact price in writing before any work begins, and if the repair fails within a year, we come back free. Call (478) 400-5908 for a quote over the phone, no obligation.
Yes, and we see these setups constantly in Roswell’s denser subdivisions off Hardy Road and farther north toward the river. The issue is clearance: builders tuck furnaces into spaces so tight that routine pressure checks get skipped by other companies, which is exactly how gas leaks and airflow problems go unnoticed for years. Our techs carry compact gauges, right-angle adapters, and inspection cameras specifically for closet and rooftop installs. We do the job properly without cutting corners, and we leave the access panels sealed and insulated when we finish. Call (478) 400-5908 and tell us where your unit is installed. We will plan for it.
For repair work, no permit is typically required in Roswell, which is standard in Georgia. Replacing a furnace is a different matter: the city of Roswell requires a mechanical permit for equipment swaps, and our team handles the paperwork as part of the job. We pull the permit, schedule the inspection, and make sure the final paperwork is filed correctly. That is one of the quiet advantages of using a company bound to The Garrison Code rather than a cut-rate installer who skips the city. Call (478) 400-5908 and we will walk you through what your specific project needs.
Written by Marco Benitez, Owner at Dalton Heating & Air Sandy Springs, serving Roswell, GA.