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 Stonecrest
Most furnace repairs in Stonecrest run $150-$700 and our technicians can diagnose the problem on the same visit. If your heat is out on a cold January morning, call (817) 402-2972 and a live person will answer, day or night.
We’re Coldharbour Heating & Air, and our Furnace Repair team serves the subdivisions off Panola Road, Flat Shoals Road, and throughout DeKalb County’s eastern corridor. Dispatch and scheduling are coordinated from our Atlanta office, but our crews live and work in this area. We know the housing stock here: two-story colonials and traditional-style homes built from roughly 1993 to 2008, with air handlers and flex duct tucked into vented attics that bake to 140°F every July. That local knowledge changes what we check first, and it often saves Stonecrest homeowners from paying for a repair they don’t need.
Why Coldharbour Heating & Air Is Stonecrest’s Preferred Furnace Repair Company
We’ve been part of the Kingswell network since 2003, operating as an independently owned and operated business with standards written down instead of left to chance. In Stonecrest, that means showing up in the window we promised, handing you a written price before any tool comes out, and leaving a written 365-Day Done Right Promise on every repair.
Our technicians are background-checked, uniformed, and trained to service nine major residential HVAC brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. When a Stonecrest homeowner calls at 6 a.m. because the furnace quit overnight, a live person answers the phone. No voicemail tree. No “call back during business hours.” We understand that a failed heating system in January isn’t merely uncomfortable; for elderly residents or families with infants, it’s a genuine health risk.
Our reputation here is built on showing up and being straight about what we find. If your attic flex duct has separated at the collar, we’ll tell you before we quote a blower motor you don’t need.
Boiler Repair in Stonecrest
Boiler Repair in Stonecrest is less common than heat-pump or gas-furnace work, but the homes that have them depend on them entirely. Most Stonecrest boilers are in older infill properties or in subdivisions where natural gas wasn’t available at build time. When a boiler fails, the symptoms are usually uneven heating, a pressure gauge reading outside the normal range, or knocking and gurgling from air trapped in the lines. Most boiler repairs in Stonecrest fall within our standard $150-$700 range, though cast-iron heat exchanger issues can push toward replacement.
Pressure and Circulator Issues
Boilers rely on a closed loop of hot water circulated by a pump. When the circulator fails or the expansion tank loses its air charge, some rooms go cold while others overheat. We test static pressure, purge air locks, and verify the aquastat settings before quoting any parts.
Heat Exchanger and Venting Safety
A cracked boiler heat exchanger can leak carbon monoxide into the home. We inspect with combustion analyzers and visual borescopes, and we won’t patch around a safety failure. If the exchanger is compromised, we’ll explain exactly why replacement is the only responsible path.
Gas Furnace Repair in Stonecrest
Gas Furnace Repair in Stonecrest covers everything from failed ignitors and dirty flame sensors to cracked heat exchangers and erratic gas valves. Many Stonecrest homes use a gas furnace as backup to an electric heat pump, a setup called a dual-fuel system. When the heat pump locks out in defrost mode during an ice storm, the furnace carries the full load, and that’s when we see limit switches trip and blower motors strain. Most gas furnace repairs here run $150-$700, with ignitor replacements typically at the lower end and heat exchanger work toward the upper range.
Ignitor and Flame Sensor Failures
Hot-surface ignitors crack after repeated thermal cycling, and flame sensors accumulate oxidation that fools the control board into shutting down gas flow. These are straightforward diagnoses with fast turnaround, and we stock common ignitors for Rheem, York, and Bryant systems to avoid delay.
Heat Exchanger Integrity
A cracked heat exchanger is a safety stop. We inspect with cameras and combustion analyzers, and if we find a breach, we document it and shut the system down. No exceptions. We’ll walk you through replacement options with written pricing and help you understand whether a repair makes sense against the age of the unit.
Trusted Brands We Service in Stonecrest
Our technicians carry training certifications and common repair parts for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Stonecrest homeowners, that means we don’t order parts from a warehouse three counties away and make you wait three days. We stock capacitors, contactors, ignitors, and blower motors for the brands most common in this market, and our Atlanta-area supply relationships let us source same-day for less common components. Whether your system is a 2005 Rheem heat pump in a subdivision off Flat Shoals Road or a newer Daikin communicating system, the technician who shows up can work on it.
Common Furnace Repair Problems We See in Stonecrest Homes
- Heat pump stuck in defrost during January ice events. Stonecrest sits in a zone that sees occasional ice storms, and when the outdoor coil ices over, the heat pump reverses to defrost mode. If the defrost board or sensor fails, the system locks out and the auxiliary heat or gas furnace runs constantly, often tripping high-limit switches. We test defrost initiation and termination, check the reversing valve coil, and verify the backup heat source isn’t masking a deeper problem.
- R-22 refrigerant leaks forcing replace-or-repair decisions. Nearly every heat pump in Stonecrest’s 1993-2008 subdivisions still runs on R-22, which was federally phased out of production in 2020. A leaking outdoor unit that would have been a $300 recharge in a neighboring city is now an economic forced replacement here. We don’t sell recharge-only solutions for R-22 systems; we explain the math honestly and help you compare repair against a new system with a written price for each path.
- Attic flex duct collars separated from tape-only connections. In Stonecrest’s late-1990s subdivisions along corridors like Panola Road and Flat Shoals Road, flex duct connections were commonly secured with only a single layer of tape rather than mastic-and-mesh. Those connections have been baking at 140-150°F every summer for 25 years. Seasoned local techs know to check every boot and collar before diagnosing a “weak airflow” complaint, because duct separation is often the actual culprit.
- Blower motors drawing high amps from restricted airflow. When attic ducts leak or filters go unchanged, the blower works harder. We measure amp draw against the nameplate and check static pressure across the coil. A motor running 20% over spec won’t last the season, and replacing it without fixing the restriction is throwing good money away.
Pricing for Furnace Repair in Stonecrest, GA
We believe you deserve a real number, not a runaround. Here’s what furnace and HVAC work costs in the Stonecrest market:
| Service | Price Range |
|---|---|
| Furnace repair (diagnostic and standard repair) | $150-$700 |
| Tune-up (annual furnace/heat-pump service) | $80-$200 |
| AC repair (often paired with furnace diagnostics) | $150-$650 |
| AC installation (when R-22 failure forces replacement) | $3500-$7500 |
What moves a job toward the higher end? Heat exchanger replacement, major electrical repairs, or systems where multiple components have failed together. What keeps it lower? Single-point failures like a bad ignitor or capacitor, caught before they cascade. Every Coldharbour technician hands you a written price before any work begins. That price doesn’t change at the door. It’s one of the five values of The Kingswell Way: say the price before the work, show up in the window given, leave the place cleaner than found, put the guarantee in writing, come back if it fails.
Estimates are free. Call (817) 402-2972 and we’ll schedule a diagnostic at your Stonecrest home.
We Also Serve Cities Near Stonecrest
Our crews work throughout the metro area, including Furnace Repair in Stonecrest as well as Atlanta, South Fulton, Sandy Springs, and Roswell. Scheduling is coordinated from our Atlanta office, with local dispatch to keep response times short.
Serving Stonecrest, GA - Our Local Coverage Area
We’re based in the Stonecrest 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 Stonecrest
No, and we’d be doing you a disservice if we did. R-22 was phased out of production in 2020, so reclaimed refrigerant costs have risen to where a recharge often exceeds the value of a 20-year-old system. We provide written prices for both a repair attempt and full replacement so you can compare honestly. Call (817) 402-2972 for a free estimate.
Your heat pump has likely locked out in defrost mode, forcing the gas furnace or auxiliary heat to carry 100% of the load. Stonecrest’s occasional ice storms stress defrost cycles, and a failed sensor or stuck reversing valve can leave the furnace running nonstop until high-limit switches trip. We test defrost initiation, check the outdoor coil for ice buildup, and verify the backup heat source is properly staged. Call (817) 402-2972 for same-day diagnosis.
We use three criteria: safety, economics, and comfort. If the heat exchanger is cracked, replacement is mandatory. If the system is over 15 years old and the repair exceeds 40% of replacement cost, we show you both numbers in writing. For Stonecrest’s R-22 heat pumps, replacement is often the wiser path even if the furnace itself still runs. We’ll never push replacement when a repair is the honest answer. Call (817) 402-2972 and we’ll walk you through it.
Most furnace repairs in Stonecrest run $150-$700, with ignitors and capacitors at the lower end and heat exchanger or gas valve work toward the upper range. We hand you a written price before any work begins, and that price is guaranteed not to change. Estimates are free; call (817) 402-2972.
You can do a quick visual check if you have safe attic access, but don’t risk injury. Look for disconnected flex duct, especially near collars and boots. In Stonecrest’s 1990s subdivisions, tape-only connections have degraded after 25 summers of attic heat. If you find a separation, that’s likely your airflow problem, not the furnace. Our technicians check every collar as standard practice. Call (817) 402-2972 and we’ll verify the full system.
At a two-story colonial off Panola Road, our tech found the real culprit behind a no-heat call wasn’t the furnace but a heat pump stuck in defrost, with a bulged capacitor and a blower motor drawing high amps because an attic flex collar had separated from its boot. We re-sealed the collar with mastic-and-mesh, replaced the capacitor, and verified the refrigerant charge and static pressure so the system wasn’t fighting a 25-year-old duct leak. The heat exchanger checked clean and the homeowner got heat back the same visit.
Ready to get your heat back? Call Coldharbour Heating & Air at (817) 402-2972. A live person answers 24 hours a day, and we’ll get a technician to your Stonecrest home with a written price in hand before any work begins. Every repair is backed by our 365-Day Done Right Promise: if it fails, we come back and fix it at no charge.
Written by Victor Mancini, Owner at Coldharbour Heating & Air, serving Stonecrest and the greater Atlanta area as an independently owned and operated member of the Kingswell network since 2003.







Before
After
Before
After
Before
After