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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 Decatur
When your furnace quits on a cold Decatur night, you need a straight answer: what’s wrong, what it costs, and how soon someone can be at your door. Most furnace repairs in Decatur run $150 – $700, and our crews reach every Decatur neighborhood within hours, not days. We know the 1920s bungalows in Oakhurst, the mid-century ranches off College Avenue, and the split-levels near Glenlake Park. We’ve been fixing furnaces in these homes since 2003, and we carry parts for Bryant, American Standard, Carrier, and Trane systems on our trucks right now.
Call (478) 223-8776 and a live person answers. Not a voicemail. Not a call center. Someone who can dispatch a technician to Decatur today.
Why Cold Harbour Heating and Air Atlanta Is Decatur’s Preferred Furnace Repair Company
Decatur homeowners don’t have time for companies that promise a window and show up four hours late. Our customers call us back because we put four things in writing on every repair: the price before work starts, the arrival window we keep, the clean job site we leave behind, and a 365-day guarantee that brings us back free if the repair fails. This is the Kingswell Way. Victor Mancini built this independent, locally operated HVAC business on those five values, and every technician who walks through your door in Decatur works to that same written standard.
Our dispatchers coordinate from our Atlanta office, but the crews serving Decatur know these streets. They know which homes on South Candler Street still run original galvanized ductwork. They know the crawlspace headaches in Winnona Park. They know that a furnace repair in a 1940s pier-and-beam house is a different animal than a like-for-like swap in a 1990s subdivision. That local knowledge means fewer return visits and furnaces that actually heat every room.
Every technician is background-checked and uniformed. Every repair comes with a written guarantee that lasts a full year. If it fails inside 365 days, we come back and fix it at no charge. No argument. No re-quote. It’s on paper before we leave your driveway.
Read more about our Furnace Repair standards and the 365-Day Done Right Promise.
Styles & brands we work with
Gas Furnace Repair in Decatur
Gas furnace repair in Decatur homes usually starts with a homeowner noticing something specific: a burner that lights then shuts off, a blower that runs constantly without producing heat, or a faint gas smell near the unit. In Decatur’s older housing stock, we also see problems that masquerade as furnace failures but are actually airflow restrictions from original 1920s-to-1960s ductwork. A typical gas furnace repair in Decatur runs $150 – $700 depending on the component, and we hand you a written price before a single tool comes out.
Ignitor and Flame Sensor Replacement
When a gas furnace won’t stay lit, the culprit is often a cracked ignitor or a fouled flame sensor. In Decatur’s humid summers, flame sensors collect oxidation faster than in drier climates, which means furnaces here fail to light more often after sitting idle for months. Most ignitor replacements run $150 – $280, parts and labor included.
Gas Valve Repair
A sticking gas valve can prevent the furnace from firing at all, or worse, allow gas to seep into the cabinet. Any gas-related repair in Decatur should be handled by a trained professional who checks the heat exchanger and venting before buttoning the unit back up. Gas valve repairs typically run $250 – $500, and we pressure-test the line before we leave.
Furnace Tune Up in Decatur
A furnace tune up in Decatur is the one service that catches the problems most likely to strand you in January. For $80 – $200, we inspect the heat exchanger, test the gas pressure, clean the burners, check the capacitor, and measure static pressure on your existing ductwork. In a Decatur bungalow with original galvanized ducts, that static pressure reading matters more than almost anything else on the checklist.
Pre-Season Safety Inspection
Before the first cold snap, we recommend a full safety inspection on any gas furnace in a home built before 1975. Old heat exchangers can develop hairline cracks that release carbon monoxide into living spaces. Our tune-up includes a combustion analysis and a written report of what we found, with photos. Technicians are not paid on what they sell, so the report reads like a doctor’s note, not a sales pitch.
Duct Pressure and Airflow Check
In Decatur’s older homes, a furnace can be running perfectly while rooms still freeze. We measure static pressure on every tune-up and tell you plainly whether your ductwork is strangling your system. If the blower motor is overworking against undersized ducts, we’ll tell you before it burns out. That’s the difference between a tune-up and a teardown.
Trusted Brands We Service in Decatur
Our technicians are trained on nine major residential HVAC brands, including Carrier, Trane, Bryant, and American Standard. We stock common replacement parts for these systems on our trucks, so a furnace repair in Decatur doesn’t mean waiting a week for a part to ship. Whether your home has a 1980s Bryant that’s never been touched or a Trane installed last decade, the technician who shows up knows the system. We service all major residential brands, not just the ones we sell.
See the difference
Before
After
Before
After
Before
AfterCommon Furnace Repair Problems We See in Decatur Homes
- Blower motors burned out from high static pressure. Original ductwork in 1920s – 1960s homes is often undersized, forcing the blower to work harder until the motor or capacitor fails. We measure static pressure on every repair call so the new motor doesn’t die the same way.
- Musty smells blamed on the furnace. In Oakhurst and Winnona Park, converted gravity furnaces often have flex duct sagging in unventilated crawlspaces. Condensate pools there, mildew grows, and the smell comes through the registers even when the heat is off. The furnace isn’t the source; the ductwork is.
- High-limit switches tripping repeatedly. When restricted airflow causes the heat exchanger to overheat, the high-limit switch shuts the burners down. Homeowners in Decatur’s older homes often face this every winter until someone finally addresses the airflow, not just the switch.
- Electrical panels that can’t handle a modern furnace. Historic district homes near Decatur Square often have original fuse boxes or low-amp panels. A new furnace blower can draw more locked-rotor amps than the panel provides, leaving you with a repaired furnace that still won’t start.
Pricing for Furnace Repair in Decatur, GA
Here’s what you can expect to pay for furnace work in Decatur:
| Service | Typical Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Tune Up | $80 – $200 |
Most repairs fall between $150 and $400 when the issue is a single component like an ignitor, flame sensor, capacitor, or pressure switch. Larger jobs like a gas valve replacement or blower motor swap trend toward the $500 – $700 range. You’ll always see a written price before work begins, and that price does not change at the door. Estimates are free. Call (478) 223-8776 and Victor Mancini’s team will give you an exact quote for your specific furnace.
We Also Serve Cities Near Decatur
Furnace repair in Decatur is our home turf, but our crews also cover the surrounding metro. We regularly serve homes in Redan, Atlanta, and Smyrna, bringing the same written guarantees and upfront pricing. If you’re in one of those areas, you still get the full Decatur treatment: a live person on the phone, a firm arrival window, and a written 365-day guarantee.
Serving Decatur, GA - Our Local Coverage Area
We’re based in the Decatur 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 Decatur
The smell is almost always coming from your ductwork, not your furnace. In Decatur’s humid climate, air in unventilated crawlspaces condenses inside sagging flex duct. Mildew grows there, and when humidity rises in summer, the smell climbs through your registers. We can inspect the duct run, identify the sag, and seal or replace the affected section. Call (478) 223-8776 for a duct inspection in Decatur.
Sometimes. If the ducts are sized correctly for the system and sealed at the joints, they can stay. But in many 1920s – 1950s Decatur homes, the original ducts are undersized and leaking, which means a new furnace will struggle with the same airflow problems the old one had. We’ll measure static pressure and tell you honestly whether keeping them makes sense. The decision is always yours.
Yes, if your home is in one of Decatur’s locally designated historic districts. Exterior changes like new vent penetrations or exterior condenser placement often require review by the Historic Preservation Commission. Interior furnace replacements typically don’t. We’ll tell you what requires approval and what doesn’t before work begins.
In many Decatur homes, the problem is the single-zone system fighting an unbalanced floor plan. Warm air rises, but if the duct runs to the upper floor are undersized or leaky, too little heated air ever arrives. We measure static pressure and inspect the duct layout to find where the air is being lost. Sometimes the fix is simple sealing; sometimes it’s a zoning retrofit. A technician who actually measures the system will find the real answer.
Listen for a clicking sound or a blower that seems slow to start. If the furnace hums but the blower doesn’t spin right away, the capacitor is the top suspect. In Decatur’s older homes, failing capacitors often get blamed on the blower motor itself. A capacitor replacement is a $150 – $250 repair. A blower motor is closer to $500 – $700. Catch the capacitor early and you save hundreds. Call (478) 223-8776 and we’ll come test yours in Decatur.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Atlanta, serving Decatur since 2003.