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.
Fast, Reliable AC Repair Across Lawrenceville
AC repair in Lawrenceville typically costs $150 – $650 and most calls are completed same day when you call (984) 538-9003. We’re the AC Repair team that knows why your upstairs won’t cool, and we don’t guess.
Lawrenceville’s 1990s and 2000s subdivisions – clustered along Sugarloaf Parkway, Pleasant Hill Road, and near Collins Hill – were built fast and built cheap. Builder-grade heat pumps, rule-of-thumb tonnage estimates, and flex ductwork routed through vented attics. That attic duct bakes at 140°F+ through Georgia’s May-to-October cooling season. The flex separates at trunk connections. Static pressure spikes. Your second floor runs six degrees hotter, and the capacitor dies young from constant cycling.
We dispatch from our Atlanta office, but our crews live and work in Gwinnett County. We know the difference between a 2003 colonial off Five Forks Trickum and a pre-1960s bungalow near historic downtown Lawrenceville with no ductwork at all. That local knowledge changes what we bring, what we test first, and what we tell you before any work starts.
Every technician is background-checked, identity-verified, and introduced by name and photo before arrival under our Threshold Verified standard. You’ll see the same photo ID badge at your door. If anyone shows up who you weren’t told to expect, that visit is on us.
Why Brandt HVAC Is Lawrenceville’s Preferred AC Repair Company
We’ve built our reputation in Lawrenceville on one thing: telling homeowners exactly what’s wrong, exactly what it costs, and exactly who is coming to fix it. No voicemail trees. No callback queues. A live person answers our phones 24 hours a day, 7 days a week, including nights, weekends, and holidays.
Our 365-Day Done Right Promise means every repair includes a written guarantee. If it fails within that year, we return at no charge. No argument. No additional fee. We also put every price in writing before any work begins – every job, no exceptions. You’ll never get a bill that doesn’t match the number you approved.
Brandt comes from an old word for a firebrand. The name fits the work of keeping a home warm, and the standard of keeping a homeowner certain.
Emergency AC Repair in Lawrenceville
Emergency AC Repair in Lawrenceville means your system quits when it’s 92°F with 75% humidity and the house won’t cool past 80. We treat these calls as health and safety priorities, especially for older homeowners, infants, and anyone with respiratory conditions. Our live dispatchers answer around the clock and route Lawrenceville emergencies to the nearest available crew.
Most emergency repairs in Lawrenceville fall within our standard $150 – $650 range. A failed capacitor on a weekend runs about the same as a weekday call. We don’t charge overtime rates for after-hours emergency work. The price you see in writing is the price you pay.
What Counts as an AC Emergency
A completely dead system on a 95-degree day is an emergency. So is a burning smell from the air handler, ice completely encasing the outdoor unit, or water actively flooding through ceilings from a frozen evaporator coil. If you’re unsure, call us. Our dispatcher will walk you through what’s happening and whether you need to shut the system down now.
What Happens When You Call
You’ll speak to a live person, not a phone tree. We confirm your Lawrenceville address, describe the symptoms you’re seeing, and send you the name and photo of your arriving technician. Most emergency calls in Lawrenceville are reached within two to four hours. We bring capacitors, contactors, refrigerant, and common fan motors on every truck so we don’t waste a trip.
AC Not Blowing Cold Air in Lawrenceville
AC Not Blowing Cold Air in Lawrenceville is the call we get most often in July, and the cause is rarely just “low refrigerant.” In this city’s 1990s – 2000s subdivisions, we start with static pressure testing and duct inspection because collapsed attic flex duct is epidemic here. The unit runs fine. The cold air just never reaches your second floor.
Repair costs for a non-cooling system typically run $150 – $650. A refrigerant recharge with leak detection sits at the higher end. A failed capacitor or contactor replacement sits lower. Duct reconnection and resealing falls in the middle. We test before we quote, and we quote in writing before we touch a tool.
The Real Cause Behind “Upstairs Won’t Cool”
On a two-story in the Sugarloaf Parkway corridor, our tech found a 2003 Goodman heat pump with a bulging capacitor and half the flex duct pulled off the attic trunk. The upstairs was six degrees warmer because supply air was dumping into the attic. We replaced the capacitor, reconnected and resealed the duct runs, and then checked refrigerant charge so the system stopped short-cycling. After that, the second floor finally matched the thermostat.
Refrigerant, Coils, and Electrical Failures
When duct integrity checks out, we move to refrigerant charge, evaporator coil condition, and electrical components. Lawrenceville’s long cooling season keeps systems running near continuously from May through October. Capacitors degrade faster here than in drier climates. Contactors pit and weld. We test all three legs of a compressor’s electrical draw because a weak start can mask itself for weeks before total failure.
Trusted Brands We Service in Lawrenceville
We repair Goodman, Rheem, York, and Daikin systems daily in Lawrenceville, and we service all major residential HVAC brands including Carrier, Trane, Lennox, Bryant, and American Standard. Our trucks carry common capacitors, contactors, and fan motors for the brands that dominate local subdivisions. For less common parts, our Atlanta office coordinates same-day or next-morning pickup from regional distributors. We don’t make you wait three days for a control board because we didn’t stock it.
Common AC Repair Problems We See in Lawrenceville Homes
- Collapsed flex duct at attic trunk connections. The 140°F+ attic heat degrades the adhesive and tears the inner liner. We find this in roughly half the “upstairs won’t cool” calls along Pleasant Hill Road and Sugarloaf Parkway corridors. Static pressure testing reveals it fast.
- Undersized equipment from original builder install. Rule-of-thumb tonnage estimates in the 1990s and 2000s didn’t account for Georgia humidity loads. Systems run continuously, capacitors fail early, and blower motors burn out. We measure actual load before recommending replacement.
- Original heat pumps hitting 20 – 30 years with hidden corrosion. The condenser coil fins deteriorate. Refrigerant leaks slowly. A capacitor test alone won’t catch it. We check superheat and subcooling to verify charge, and we inspect coils with a camera when readings look off.
- Heat pump defrost control failures during winter ice events. Northern Gwinnett catches freeze events more often than downtown Atlanta. Ice builds on outdoor coils. The defrost board or sensor fails. The unit locks out. We stock both for common Lawrenceville systems.
Pricing for AC Repair in Lawrenceville, GA
| Service | Typical Range in Lawrenceville |
|---|---|
| AC Repair | $150 – $650 |
| Tune-Up | $80 – $200 |
| AC Installation | $3,500 – $7,500 |
Most Lawrenceville homeowners pay between $150 and $650 for AC repair. A simple capacitor or contactor replacement runs toward the lower end. Refrigerant recharge with leak detection, compressor electrical diagnosis, or duct reconnection in a hot attic runs higher. What drives cost: accessibility of the air handler, whether the system uses R-22 (phased out, more expensive) or R-410A refrigerant, and whether we find multiple failures from years of deferred maintenance.
We give every customer a written price before any work starts. No exceptions. If we find something unexpected during repair, we stop, explain, and get your approval on an updated written price. The estimate is free. Call (984) 538-9003 to schedule.
We Also Serve Cities Near Lawrenceville
Our crews work throughout Gwinnett and northern Fulton counties. We regularly repair AC systems in Lawrenceville as well as Buford, Norcross, Lilburn, and Duluth. Dispatch is coordinated from our Atlanta office, but the technician who arrives knows your neighborhood’s housing stock and common failure patterns.
Serving Lawrenceville, GA - Our Local Coverage Area
We’re based in the Lawrenceville 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 AC Repair in Lawrenceville
Collapsed or separated flex duct in your vented attic is the most common cause in Lawrenceville’s 1990s – 2000s subdivisions. The 140°F+ attic heat degrades duct connections, and supply air dumps into the attic instead of reaching your upstairs rooms. We test static pressure and inspect duct integrity before blaming the AC unit itself. Call (984) 538-9003 for a free diagnostic.
Repair makes sense if the failure is isolated and the rest of the system is sound. Replace when you’re facing a major component failure on a system that was undersized from day one, especially if ductwork also needs remediation. We don’t sell equipment on commission, so our recommendation is based on actual load calculation and your repair history. Call (984) 538-9003 and we’ll walk through the math.
Most manufacturer parts warranties cover the compressor for 5 – 10 years and other components for 1 – 5 years, but only if the original installer registered the system within the required window. Many Lawrenceville builder installs were never registered, leaving homeowners with only a 1-year base warranty. We check registration status before quoting and explain exactly what’s covered versus what you’ll pay out of pocket.
Most Lawrenceville emergency calls are reached within two to four hours in peak summer. Our live dispatchers answer 24/7 and route to the nearest crew. We bring common parts on every truck. Call (984) 538-9003 anytime – nights, weekends, holidays – and a person will pick up.
Yes. Northern Gwinnett’s freeze events expose defrost control failures and ice-locked outdoor units that downtown Atlanta techs may miss. We stock defrost boards, sensors, and crankcase heaters for common Lawrenceville heat pump models. If your heat pump is blowing cold air in heating mode or the outdoor unit is frozen solid, call (984) 538-9003.
Written by Devin Marlowe, Owner at Brandt HVAC, serving Lawrenceville and the greater Atlanta area.







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