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.
HVAC Company in Norcross, GA
Most Norcross homeowners pay between $150 and $700 for HVAC repairs and $3,500 to $7,500 for a full AC installation, with same-day service available for heating and cooling emergencies. We’re Coldharbour Heating & Air, and we dispatch crews to Norcross from our Atlanta office every day. The work here is different from neighboring cities because of the split housing stock: original Craftsman homes in Old Town Norcross with no existing ductwork, and thousands of 1980s-1990s Gwinnett subdivisions with attic ducts cooked by Georgia heat for 30-plus years. Call us at (817) 402-2972 for a free estimate.
Why Norcross Homes Are Different
Norcross sits at a convergence you won’t find in Buford or Lawrenceville. On one side, Old Town Norcross holds pre-1930 Craftsman and Victorian homes where no original duct infrastructure exists. Retrofitting these places means crawling through tight, unconditioned crawlspaces and designing systems that respect historic framing without tearing walls apart.
On the other side, the bulk of our calls come from the colonial and split-level subdivisions built during Gwinnett County’s 1978-1995 boom. These homes were almost universally built with ductwork run through unconditioned attics, a design choice that costs homeowners every July when attic temperatures climb past 140°F. The duct liner degrades faster here than in conditioned spaces, and many systems were undersized from the start for the latent humidity load.
That humidity is the other Norcross factor. Summer dew points hang in the 70-75°F range, so your system isn’t just cooling air, it’s wringing water out of it. The heavy clay soils throughout Gwinnett trap ground moisture against slab foundations, which raises indoor humidity baselines and accelerates coil and drain pan corrosion. We see that pattern constantly along Peachtree Industrial Boulevard and Jimmy Carter Boulevard, where even the 1980s garden apartments and flex-commercial buildings carry original rooftop package units now past 35 years old.
Our Main Norcross Services
Homeowners in Norcross call us most often for cooling repairs in July, heating repairs in January, and full system replacements when that 1987 builder-grade unit finally gives out. Each service has its own dedicated Norcross page with deeper detail.
AC Repair in Norcross
AC repair in Norcross means dealing with systems that have been fighting extreme attic heat and clay-soil humidity for decades. We handle refrigerant leaks, failed capacitors, compressor issues, and the frozen coils that result from restricted airflow in degraded ductwork. Our technicians carry parts for Rheem, York, and Bryant systems on the truck, and most repairs finish in a single visit. Every repair comes with our written 365-Day Done Right Promise. AC Repair in Norcross

Furnace Repair in Norcross
Furnace repair in Norcross ranges from simple igniter replacements to heat-exchanger diagnostics in aging gas systems. The same attic-duct problems that hurt cooling efficiency in summer become heat-loss issues in winter, especially in split-level homes with long duct runs. We check carbon monoxide levels on every gas furnace call, and we won’t leave until the written price and the written guarantee are in your hand. Furnace Repair in Norcross

AC Installation in Norcross
AC installation in Norcross requires load calculations that account for actual duct conditions, not just square footage. In the 1978-1995 subdivisions, we often find attic ducts too degraded to reuse and replace them as part of the job. In Old Town Norcross historic homes, we design complete duct systems from scratch within structural constraints that don’t allow for major demolition. Every installation gets a written fixed price and a scheduled install date. AC Installation in Norcross

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 Norcross
Our technicians train on nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common Rheem, York, and Bryant control boards, capacitors, and contactors locally, so most Norcross repair calls don’t wait on parts. our brands
Pricing for HVAC Company in Norcross, GA
| Service | Typical range in Norcross |
|---|---|
| AC Repair (general) | $150 - $650 |
| Furnace Repair (general) | $150 - $700 |
| AC Installation (full system) | $3,500 - $7,500 |
| AC Tune-Up / Maintenance | $80 - $200 |
| Refrigerant Recharge | $150 - $650 |
| Capacitor Replacement | $150 - $400 |
| Contactor Replacement | $150 - $350 |
| Blower Motor Repair | $300 - $650 |
| Igniter Replacement | $150 - $280 |
| Heat Exchanger Repair | $400 - $700 |
What pushes Norcross prices toward the high end: degraded attic ductwork that needs section replacement, historic-home retrofit labor, and systems that have run low on refrigerant long enough to damage the compressor. What keeps them predictable: we hand you the written price before a single tool comes out of the bag, and that number doesn’t change at your door. That’s The Kingswell Way.
Neighborhoods We Serve in Norcross
We run calls across the full Norcross map, from the historic district to the Gwinnett County line. Most neighborhoods see a technician within a scheduled two-hour window.
- Old Town Norcross
- Forest Vale
- St. George’s Hills
- Country Lake
- Norcross Station
Service Area – Cities Near Norcross
Our crews cover the full Gwinnett corridor and points west. If you’re in Buford, GA, Lawrenceville, GA, Suwanee, GA, or Grayson, GA, you’re inside our dispatch zone with the same live-answer phone coverage and written guarantee.
Serving Norcross, GA - Our Local Coverage Area
We’re based in the Norcross 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 Norcross
We offer same-day service for heating and cooling emergencies in Norcross, with phones answered by a live person 24 hours a day. Most non-emergency calls are scheduled within 24-48 hours. Call (817) 402-2972 to check current availability.
Old Town Norcross historic district properties may require Gwinnett County permits and occasionally Historic Preservation Commission review for exterior modifications. We handle permit paperwork as part of the installation process and design systems that minimize structural impact.
We work in virtually all Norcross neighborhoods, including gated and HOA-managed communities. We coordinate access, carry proof of insurance, and leave the job site clean, which satisfies virtually every HOA requirement we’ve encountered in Gwinnett County.
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 Norcross Customers Say
"The repair was done well and quickly. Scheduling over the phone was a little clunky and I got transferred twice, but the tech himself was great and on time."
- Brett Haygood"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"Thermostat and a weak blower. Fixed both in one visit, explained the guarantee, and didn't leave a mess. I've already recommended them to my neighbor."
- Natalie Esposito







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