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 Loganville, GA
Most Loganville homeowners spend $150-$650 on AC repair, $150-$700 on furnace repair, and $3,500-$7,500 for a full AC installation. Coldharbour Heating & Air dispatches technicians to Loganville from our Atlanta scheduling office, and we carry parts for Goodman, Rheem, York, and Daikin systems on every truck. Call us at (817) 402-2972 when you need a live person, any hour, any day.
Loganville sits at roughly 950-1,050 feet in the Georgia Piedmont, straddling the Walton-Gwinnett county line. That elevation and the I-20 corridor east of Atlanta mean our summers run humid and long, while winter ice events hit harder than they do inside the Perimeter. The housing stock here tells its own story: most homes went up between 2000 and 2008, when the city’s population roughly doubled, and those original heat pumps and split systems are now aging out together in a way you don’t see in slower-growing neighbors.
Why Loganville Homes Are Different
The mid-2000s building boom filled Walton County with large subdivision homes, typically 1,800-3,200 square feet on slab or crawl-space foundations. Volume builders moved fast, and that speed often meant ductwork sized for model-home floor plans rather than the actual houses going up. We still get calls from subdivisions like Rosebud and Bay Creek where the second floor runs 6-8 degrees warmer than the first because the original duct runs were never adjusted for real-world layout.
Heat pumps carry nearly all the cooling load here from late May through September, and the humidity keeps them working overtime. When January ice storms roll through, failed auxiliary heat strips in those same heat pumps become emergency calls. Many homeowners don’t know their backup heat is dead until the first hard freeze, when the outdoor unit ices over and the indoor temperature starts falling fast.
Because Loganville straddles two counties, permit jurisdiction gets tricky. A job on the Walton County side of Rosebud Road follows Walton County’s inspection schedule and requirements; cross into Gwinnett and the rules change. Out-of-area contractors who assume one county’s rules apply across the line end up with failed inspections and delayed completions. We confirm the correct authority before we pull any permit.
Our Main Loganville Services
Loganville homeowners call us most often for cooling emergencies in July and heating failures in January. Each service has its own dedicated Loganville page with deeper detail on local conditions and pricing.
AC Repair in Loganville
AC repair in Loganville means dealing with heat pumps that have run hard through five months of high humidity. We see refrigerant leaks at the indoor coil, failed capacitors in outdoor units baking on concrete pads, and blower motors straining against undersized return ducts. Our trucks carry capacitors, contactors, and refrigerant so most AC Repair in Loganville calls finish same-day. Every repair comes with our written 365-Day Done Right Promise.

Furnace Repair in Loganville
Loganville doesn’t have many standalone gas furnaces; most heating comes from heat pump auxiliary strips or dual-fuel systems. When those heat strips fail during an ice event, the house cools fast. We test amperage draw on each strip, check sequencer operation, and verify defrost board function in the outdoor unit. For full details on how we handle heating emergencies here, see our Furnace Repair in Loganville page.

AC Installation in Loganville
With so many 2000s-era systems hitting end-of-life simultaneously, Loganville is seeing concentrated replacement demand. New installations here require proper load calculation, especially for two-story homes with original ductwork problems. We size equipment to actual conditions, not builder specs, and we handle permit verification across the Walton-Gwinnett line. Learn more about our process on our AC Installation in Loganville page.

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 Loganville
Our technicians train on nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common Goodman, Rheem, and York parts locally, and our Daikin mini-split components ship overnight from regional distribution. Most brand-specific repairs in Loganville don’t require a second trip.
Pricing for HVAC Company in Loganville, GA
| Service | Typical range in Loganville |
|---|---|
| AC Repair (minor: capacitor, contactor, fuse) | $150-$350 |
| AC Repair (moderate: refrigerant leak, coil repair) | $350-$650 |
| Furnace Repair (minor: igniter, flame sensor) | $150-$280 |
| Furnace Repair (moderate: heat strip, sequencer) | $280-$700 |
| AC Installation (3-ton split system, standard efficiency) | $3,500-$5,500 |
| AC Installation (high-efficiency heat pump, variable speed) | $5,500-$7,500 |
| Seasonal Tune-Up (cooling or heating) | $80-$200 |
Prices in Loganville push toward the higher end when we need to correct ductwork sizing from original construction, or when a heat pump replacement requires electrical service upgrades for modern efficiency standards. We give you the written price before any work begins, and that number does not change when the technician is at your door.
Neighborhoods We Serve in Loganville
Our technicians cover the full Loganville area, from the Walton County core across the Gwinnett line. Most calls reach any of these neighborhoods within 45 minutes during business hours, and our 24-hour live dispatch means emergency calls don’t wait for morning.
- Rosebud
- Bay Creek
- Loganville Heights
- West Walton
- Sardis Estates
Service Area – Cities Near Loganville
We regularly dispatch to homeowners in Grayson, GA, Dacula, GA, Snellville, GA, and Buford, GA. Each of these communities shares the same Piedmont climate challenges and many of the same 2000s-era housing patterns, though Loganville’s concentrated replacement wave is unique to its building history.
Serving Loganville, GA - Our Local Coverage Area
We’re based in the Loganville 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 Loganville
Most Loganville emergency calls reach a technician within 2-4 hours during peak season, and our phones are answered by a live person 24 hours a day. Call (817) 402-2972 for current availability.
Yes, and the correct permitting authority depends on which side of the Walton-Gwinnett county line your home sits. We verify jurisdiction and pull the proper permit before work begins so your inspection passes the first time.
Some Loganville subdivisions require architectural review for outdoor unit placement or fence screening. We photograph the existing setup, note any HOA requirements you provide, and position new equipment to comply with both the rules and manufacturer clearance specifications.
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 Loganville Customers Say
"Furnace wouldn't light the first cold morning. The guy walked me through what he was checking so I actually understood it. Replaced the igniter, wrote up the warranty, and it's been warm since."
- Alicia Romero"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"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







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