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 Smyrna
Furnace repair in Smyrna typically runs $150 – $700, and most common failures like ignitors, flame sensors, and blower motors are handled same-day by a technician who knows your neighborhood. If your furnace is blowing cold air, short-cycling, or making a noise you can’t place, call (762) 240-5599 and a live person answers. We don’t run a phone tree, and we don’t make you wait until morning when your house is 50 degrees.
Cold Harbour Heating and Air Marietta has been repairing furnaces in Smyrna’s older ranch homes, split-levels, and newer townhomes since 2003. We know the difference between a furnace problem and a duct problem here, and that distinction saves Smyrna homeowners real money. The written price comes before any work starts, and every repair carries our 365-Day Done Right Promise in writing. If it fails inside a year, we come back and correct it at no charge.
Key Takeaways:
- Furnace repair in Smyrna costs $150 – $700 for most common failures
- Same-day service to Smyrna neighborhoods including Forest Hills, Belmont, and Concord
- Written price before work begins; 365-Day Done Right Promise on every repair
- Technicians trained on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard
- Live person answers the phone 24/7 at (762) 240-5599
Why Cold Harbour Heating and Air Marietta Is Smyrna’s Preferred Furnace Repair Company
Smyrna homeowners call us because we show up when we say we will and the price we hand you in writing is the price you pay. No door-knock surprise. No “while I’m here, you also need this.” The Kingswell Way means we say the price before the work, show up in the window given, leave the job site cleaner than we found it, put the guarantee in writing, and come back if it fails.
Victor Mancini runs our operation, and he has built the business around one idea: an HVAC company should be accountable in writing, not just in a handshake. Every technician who walks into your Smyrna home is background-checked, uniformed, and trained to service nine major residential brands. If your furnace is a Trane from 2008 or a Goodman installed last year, the tech already knows the unit’s common failure points before they ring your doorbell.
We serve Smyrna from our Atlanta-area dispatch, and our crews know the streets here: the split-levels off Concord Road, the 1960s ranches in Forest Hills, the newer Craftsman-style builds near the Village Green. That means faster diagnosis, fewer return trips, and a repair that actually holds.
Styles & brands we work with
Furnace Maintenance in Smyrna
Furnace Maintenance in Smyrna is not just a filter change; it is a full safety and efficiency check on the machine that heats your home through the coldest weeks we get. Homes here range from 1950s slab-foundation ranches to newer tight-envelope townhomes, and each has different maintenance needs. A Smyrna tune-up runs $80 – $200, and it includes combustion testing, gas pressure verification, blower amp draw, temperature rise, and a check of the heat exchanger for cracks.
What a Smyrna Tune-Up Covers
Our techs pull the blower and inspect the heat exchanger with a camera, test the flame sensor and ignitor resistance, measure gas pressure at the manifold, and check static pressure across the coil and filter. In older Smyrna homes with original ductwork, we always record static pressure because high numbers indicate undersized returns, a common issue in 1960s ranches. You get a written report of what we found, what we fixed, and what can wait. We are not paid on what we sell, so the report is honest.
When to Schedule Maintenance
Late September through October is the sweet spot, before the first real cold snap. But if you skipped it last year and your furnace is running now, call us. A neglected gas furnace with a cracked heat exchanger is a carbon monoxide risk, and that is not a maintenance issue you postpone. In Smyrna’s mild but occasionally freezing winters, a furnace that quits at 25 degrees outside is an emergency; a $99 tune-up in October is cheap insurance.
Heat Pump Repair in Smyrna
Heat Pump Repair in Smyrna matters more than most homeowners realize, because a lot of the older electric heat pumps here run all winter and still leave rooms cold when temperatures dip below freezing. A heat pump repair in Smyrna typically runs $150 – $650, and the most common problems we see are failed reversing valves, defrost board failures, and low refrigerant from slow leaks at the coil or service valves. When the defrost cycle doesn’t work, the outdoor coil ices over and the system blows lukewarm air.
Why Smyrna Heat Pumps Struggle
Heat pumps are sized for cooling first in this climate, which means they are marginal for heating on the coldest nights. When a Smyrna homeowner tells us the heat pump “runs all the time and the house never gets warm,” we check the defrost sensor, the strip-heat relay, and the refrigerant charge before we blame the equipment. Often the heat strips are staged wrong or a crankcase heater has failed, and the fix is straightforward.
Signs You Need Service
A heat pump that thumps on start-up, blows air that feels room-temperature, or runs with the outdoor unit sounding like a washing machine full of gravel needs a tech. So does a system that trips its breaker when the strip heat kicks on. Don’t keep resetting the breaker; a tech needs to measure amp draw and check the strip-heat contactor before the panel or wiring is damaged.
Trusted Brands We Service in Smyrna
Our technicians are trained to service what is already in your Smyrna home, not just what we would prefer to sell you. That includes Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock ignitors, flame sensors, pressure switches, gas valves, and blower motors for all the major brands on our service trucks, which means faster same-day repairs for Smyrna customers. If your Goodman furnace needs a new ignitor or your Lennox is throwing a pressure-switch fault, we usually have the part on the truck when we arrive.
Common Furnace Repair Problems We See in Smyrna Homes
- Short-cycling due to undersized slab ductwork: In Smyrna’s 1960s ranch homes, original supply ducts run through the concrete slab. When a furnace short-cycles on a high-limit, the buried ducts heat and cool unevenly, condense moisture, and leave damp spots on the hallway floor that look like a plumbing leak.
- Tripped high-limit switches from clogged evaporator coils: Many Smyrna furnaces sit below an AC coil that has never been cleaned. A dirty coil raises static pressure, the blower motor draws more amps, and the furnace overheats and shuts down. The fix is coil cleaning and a static-pressure check, not a new furnace.
- Failed ignitors on older gas furnaces: The silicon-carbide ignitors in gas furnaces from the 2000s get brittle and crack. A furnace that hums but won’t light and blows cold air usually needs a $150 – $280 ignitor, parts and labor included, not a whole new system.
- Electrical panel limitations on high-efficiency retrofits: A new 96% AFUE gas furnace sometimes requires a dedicated 15-amp circuit. Older Smyrna panels in Belmont and Forest Hills homes often lack a spare breaker slot, and the install fails inspection unless the panel is upgraded first.
See the difference
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AfterPricing for Furnace Repair in Smyrna, GA
Furnace repair in Smyrna runs $150 – $700 for most jobs that don’t require a new heat exchanger or full system replacement. Here is what we typically see:
| Service | Typical Smyrna Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Maintenance | $80 – $200 |
| Heat Pump Repair | $150 – $650 |
What moves the number is the part that failed and how long it takes to access. An ignitor replacement on a furnace in an attic or crawlspace costs more than one in a basement-level closet because of access time. A blower motor on a 2003 Trane is more than a flame sensor on a 2019 Goodman. You get a written price before any work begins, and that number does not change at the door. Estimates are free. Call (762) 240-5599 and we will give you a real number, not a range with fine print.
We Also Serve Cities Near Smyrna
If you live just outside Smyrna, we run service calls to Marietta, Mableton, Powder Springs, and Kennesaw as part of our regular route coverage. Same written pricing, same 365-Day Done Right Promise, same live person on the phone at (762) 240-5599.
Serving Smyrna, GA - Our Local Coverage Area
We’re based in the Smyrna 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 Smyrna
Short-cycling in a slab-foundation ranch is almost never the blower motor alone. It is almost always static pressure: the original supply ducts in the slab are undersized for the airflow a modern blower pushes. The furnace heats up, trips the high-limit, shuts down, and repeats. The fix is a static-pressure test and often enlarging the return-air drop, not another motor. Call (762) 240-5599 and we will measure it properly.
It is common but not normal. A correctly-operating heat pump in Smyrna should keep a home at the setpoint down to around 30 degrees outdoors before the strip heat has to carry the load. If yours runs continuously and blows lukewarm air at 35 degrees, the likely causes are a stuck reversing valve, low refrigerant, or a failed defrost board. We diagnose the actual cause, which runs $150 – $650 to repair. Call (762) 240-5599 for a free estimate.
Yes, in many Smyrna split-levels you can add a heat pump as the primary heat source and keep the gas furnace as backup, which is called a dual-fuel system. The catch is that your existing ductwork must be able to move the airflow a heat pump requires, and your electrical panel needs to support the outdoor unit. We check both before we quote, so you don’t spend money on a system the house can’t support.
Often, yes. A new high-efficiency gas furnace with an ECM blower motor and electronic ignition draws a different electrical load than a 1950s-era standing-pilot furnace, and many older Belmont panels lack a spare circuit. If the panel can’t support the new unit, the install fails Cobb County inspection. We check panel capacity and available breakers during the estimate so there are no surprises on install day.
Yes, and this is a pattern we know well in Smyrna’s slab-foundation homes. When supply ducts run through the concrete slab and the furnace short-cycles or overheats, the duct walls sweat and that condensation wicks up through the slab. Homeowners file it under “plumbing leak” and call the wrong trade. We check the furnace’s temperature rise and static pressure, and when the furnace is fixed, the wet spots usually stop. Call (762) 240-5599 and we will sort out whether it is the ducts or something else.
Call Cold Harbour Heating and Air Marietta for Furnace Repair in Smyrna
If your furnace is acting up in Smyrna, don’t guess and don’t wait. Call (762) 240-5599 and a live person answers, day or night. We will give you a straight answer, schedule a technician for the window you choose, and hand you a written price before any work begins. Every repair carries the 365-Day Done Right Promise. If it fails inside a year, we come back and fix it at no charge. That’s The Kingswell Way, and it’s how we’ve done business since 2003.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Marietta, serving Smyrna and the surrounding metro since 2003.