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 estimateHVAC Company in North Decatur, GA
Coldharbour Heating & Air is the HVAC company North Decatur homeowners call when a compressor quits on a 94-degree afternoon or a furnace stops firing during one of Georgia’s damp January cold snaps. We handle AC repair, furnace repair, and full AC installation across North Decatur, with written upfront pricing and a 365-day guarantee on every repair. North Decatur’s mid-century homes and heavy tree cover create HVAC problems you won’t find in newer subdivisions, and we’ve learned to work around them. Call (478) 223-8776 any hour, any day, and a live person answers.
Why North Decatur Homes Are Different
Most of North Decatur was built between 1950 and 1980, and the housing stock shows it. Think brick ranches and split-levels on slab foundations, with low-pitched roofs and original ductwork sized for a different era. Many of these homes still carry the undersized metal ducts installed when central air first became common, which means a modern high-efficiency system often needs duct modifications rather than a simple equipment swap. Attic access is tight, and the low-slope roofs leave little room to maneuver, so retrofitting ductwork in North Decatur takes longer and demands more care than it does elsewhere.
The tree canopy adds another layer. North Decatur’s mature oaks and pines drop leaves, twigs, and pollen into outdoor condenser units all year, and after summer thunderstorms, we regularly find units packed with debris that cuts airflow and strains the compressor. In the Medlock Park and Leafmore-Creek Park neighborhoods especially, you’ll see condenser cages on many homes. Locals have learned that squirrels will chew through wiring and drain lines within weeks if the unit isn’t protected. Add in Georgia’s humid summers and the occasional ice storm, and outdoor equipment in North Decatur simply takes more abuse than the same system would in a treeless cul-de-sac.
Styles & brands we work with
Our Main North Decatur Services
AC repair and furnace repair are the two calls we get most often from North Decatur homeowners, though installation work picks up steadily as aging systems reach the end of their service life.
AC Repair in North Decatur
When a North Decatur air conditioner stops cooling, the culprit is often debris in the condenser, a failing capacitor, or a refrigerant leak caused by vibration and age. Our AC Repair in North Decatur service covers diagnostic work, compressor and fan motor replacement, capacitor and contactor swaps, refrigerant recharges, and drain line clearing. Because of the tree canopy here, we also check for airflow blockages and wiring damage while we’re on site. Most AC repairs in North Decatur run between $150 and $650, and every repair comes with our written 365-Day Done Right Promise.
Furnace Repair in North Decatur
North Decatur’s winters are mild but damp, and furnaces here tend to fail from corrosion on control boards, worn igniters, and clogged condensate lines rather than extreme cold. Our Furnace Repair in North Decatur work includes flame sensor cleaning, igniter replacement, blower motor repair, and gas valve diagnosis. Many North Decatur homes still run original 1970s and 1980s furnaces, so we’re used to telling homeowners straight when a repair makes sense and when a replacement would cost less over the long run. Furnace repairs here typically fall between $150 and $700, with the same written guarantee in place.
AC Installation in North Decatur
Replacing an air conditioner in North Decatur often involves more than unbolting the old unit. Original ductwork, tight attic access, and slab foundations mean we frequently have to redesign airflow and recommend zoning or mini-split solutions rather than a like-for-like swap. Our AC Installation in North Decatur service starts with a full load calculation and a written fixed price before any equipment is ordered. Most complete AC installations in North Decatur run from $3,500 to $7,500 depending on system size, efficiency level, and how much ductwork needs attention.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in North Decatur
Our technicians work on all major residential brands, and we keep common replacement parts stocked for our brands including Carrier, Trane, and Lennox systems throughout North Decatur. That means faster turnaround on compressor, capacitor, and igniter failures rather than waiting days on a supply run.
See the difference
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After
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Before
AfterPricing for HVAC Company in North Decatur, GA
| Service | Typical range in North Decatur |
|---|---|
| AC repair (typical job) | $150 – $650 |
| Capacitor replacement | $150 – $350 |
| Condenser fan motor | $350 – $650 |
| Furnace repair (typical job) | $150 – $700 |
| Igniter replacement | $150 – $280 |
| Flame sensor cleaning | $150 – $250 |
| Blower motor replacement | $350 – $700 |
| AC installation (full system) | $3,500 – $7,500 |
| HVAC tune-up | $80 – $200 |
North Decatur pricing runs higher when homes need duct modifications, attic access is especially tight, or the condenser sits at the back of a heavily wooded lot and requires extra clearing before work begins. Whatever the quote, you’ll see it in writing before a single tool comes out, and that number doesn’t change at the door.
Neighborhoods We Serve in North Decatur
We work throughout North Decatur and know the streets where certain issues recur. A sample of the neighborhoods we serve regularly:
- Medlock Park
- Leafmore-Creek Park
- Decatur Heights
- Emory area
- Clairmont Heights
Most North Decatur calls can be answered same-day, and we give you a firm arrival window, not a four-hour guess.
Service Area – Cities Near North Decatur
North Decatur sits close to several communities we cover regularly. If you’re just outside North Decatur proper, we also serve Atlanta, GA, Smyrna, GA, Redan, GA, and North Druid Hills, GA. Dispatch and scheduling are coordinated from the Coldharbour Heating & Air office in Atlanta, but the crew that arrives at your North Decatur door is local to the area and knows these streets.
Serving North Decatur, GA - Our Local Coverage Area
We’re based in the North 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 HVAC Company in North Decatur
Most North Decatur calls get same-day service, and we always give a firm arrival window before the technician heads your way. When you call (478) 223-8776, a live person answers and gives you an honest time. Summer afternoons fill up quickly, but we hold capacity for emergencies like a failed AC with a baby or an elderly family member in the house.
HVAC equipment replacements in North Decatur generally require a permit through DeKalb County’s building department, and we handle the paperwork as part of the installation. The permit is wrapped into your written quote, and we don’t start until it’s approved. For routine repairs like capacitor or igniter replacement, no permit is needed.
No. Our North Decatur pricing is flat. The written price you get before work begins is the price, whether the call comes in at noon on a Tuesday or midnight on a Saturday. There is no overtime surcharge, no weekend premium, and no after-hours fee on any repair or diagnostic visit.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What North Decatur Customers Say
"Furnace was short cycling all winter. They diagnosed a bad sensor instead of condemning the whole unit like I feared. Cheap fix, honest call."
- Russ Tiedemann"AC died overnight with a newborn in the house. They bumped us up the list and had it running by noon. I about hugged the guy. Fair price even on a rush call."
- Celeste Ngo"Replaced our old system. Good crew and a fair price. The install took most of a day which was longer than I expected, but they didn't cut corners and cleaned up everything."
- Kenny Barlow