Top-rated independent heating and cooling across north Georgia and the southern Appalachians
HVAC Repair in Lawrenceville, GA — Local Techs, One Call
We handle heating and cooling work on Lawrenceville homes, from a compressor that will not start to a heat pump that runs all afternoon without cooling. Call us or send the quote form and tell us what the system is doing. Most HVAC repair in Lawrenceville starts the same way: we listen to the symptom, check the thermostat and the breaker, then get into the equipment itself. Gwinnett County summers stay humid well into September, which puts long hours on an outdoor unit. Before we arrive you can change a dirty filter and make sure the supply vents are open.
Call (888) 878-4879- Real people on the phone
- 7 days a week
- Quote in writing before any work
Taking calls until 5:00 PM ET
What is your system doing in Lawrenceville?
Choose the closest match, or call and describe what the system is doing.
One heating and air conditioning company for the whole system, from air conditioner repair to furnace replacement and seasonal maintenance.
AC Repair
Air conditioners blowing warm, short-cycling or refusing to start
Furnace Repair
Furnaces with no heat, short cycling or a locked-out control board
Heat Pump Repair
Heat pumps that will not heat, stick in defrost or run nonstop
AC Installation
New central air, replacements and ductless installations
Furnace Installation
New gas and electric furnaces, replacements and upgrades
Ductwork Repair
Leaking ducts, weak airflow and rooms that never get comfortable
HVAC Maintenance
Seasonal tune-ups for cooling and heating systems
Duct Cleaning
Air duct, vent and register cleaning
Thermostat Installation
Smart thermostats, replacements and zoning controls
Mini-Split Repair
Ductless mini-splits and multi-zone systems
Indoor Air Quality
Air purifiers, humidifiers, dehumidifiers and ventilation
HVAC repair in Lawrenceville, the local picture
We handle air conditioning repair, heating repair and system replacement for homes in Lawrenceville, Georgia, and if your system is down right now, call us and we will get you on the schedule. Lawrenceville summers run hot and heavy with humidity, so a system that cools but never pulls moisture out of the air is one of the most common calls we take here. Winters stay mild most weeks, then a hard freeze drops in and heat pumps that have been coasting all year suddenly show their weak spots. Much of the housing stock around Gwinnett is brick and vinyl ranch and two-story homes from the 1980s through the 2000s, often with attic air handlers and long duct runs to bonus rooms over the garage. Those attics get brutal in July, which is why we check duct leakage and airflow before anyone talks about a new unit. Safe things to check first: thermostat batteries, the breaker, a clogged filter, and vents that got closed off.
Most homes here went up during the big suburban push from the late 1980s through the 2000s, with brick-front and vinyl two-stories on slab or crawlspace. That means original ductwork in hot attics, split systems now well past their first replacement, and returns that were undersized from day one. Older cottages near the square run smaller and quirkier.
I-85, Highway 316, Sugarloaf Parkway and US-29 are the routes we cover from here.
Lawrenceville ZIPs & nearby cities we cover
From Lawrenceville we also cover Snellville, Suwanee, Duluth, Dacula, Grayson, Lilburn and Buford.
- 30003
- 30010
- 30011
- 30017
- 30019
- 30024
- 30026
- 30029
- 30042
- 30043
- 30044
- 30045
Where in Lawrenceville we get called
- Downtown Lawrenceville
- Rivermist
- Sugarloaf Country Club
- Alcovy
- Riverside
- Cedar Creek
- Collins Hill
- Pharr's Ridge
- Trilogy Park
Nearby cities we also cover
- Snellville
- Suwanee
- heating and cooling in Duluth
- Sugar Hill
- Johns Creek
- Peachtree Corners
- Tucker
- Redan
Independent HVAC company vs the big names in Lawrenceville
| STM Heating & Air | Big-box repair chains | Handyman listings | |
|---|---|---|---|
| Quote in writing before a wrench comes out | ✓ | ✕ | ✕ |
| Phones answered by people, every day | ✓ | ✕ | ✓ |
| All major brands, gas and electric | ✓ | ✓ | ✕ |
| Independent company, nobody's quota | ✓ | ✕ | ✓ |
| Crews familiar with homes like yours | ✓ | ✕ | ✓ |
The same on every visit
The quote comes first, in writing
Covering 81 cities across Alabama, Georgia, Kentucky and 3 more.Phones answered by people
Open 7 days, 8:00 AM to 5:00 PM ET.Every major brand, gas and electric
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.HVAC repair in Lawrenceville — quick answers
How soon can you get to my home in Lawrenceville?
Call us and we will give you a straight answer on the next available window, usually same day or next day for no-cool and no-heat calls in Lawrenceville. Summer afternoons book up fastest, so morning calls give you the best shot at same-day service. If you smell gas, leave the house first, call 911 or your gas utility, then call us.
Do you service homes outside Lawrenceville city limits?
Yes. We work throughout the surrounding Gwinnett area, including Snellville, Dacula, Grayson, Duluth, Lilburn, Suwanee and Buford. If you are not sure whether your address falls in our route, give us a cross street and we will tell you honestly whether we can get a technician out to you.
How does pricing work?
Everything gets quoted in writing first, the visit, the parts, the labor, and work starts only when you approve.
What brands can you service?
As an independent company we service every major brand, from Carrier and Trane to Lennox, Goodman and Rheem, gas and electric alike.
How it works
- Step 1
Tell us the symptom
Call or fill in the quote form and describe what you hear, smell or feel. Warm air, short cycling, a breaker that keeps tripping. That gives us a head start on the likely cause.
- Step 2
We diagnose on site
A technician checks the thermostat, airflow, electrical connections, refrigerant performance and the outdoor unit. We work the crawlspace and the attic too, because ductwork and drainage cause more trouble than people expect.
- Step 3
You decide, then we fix it
We explain what failed, what it takes to repair it, and what we would watch next season. No work starts until you say go. Most repairs finish the same visit when parts are on the truck.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Mixed heating is normal to usHeat pumps, propane furnaces and dual-fuel setups all behave differently in cold weather. We know how a heat pump should sound in the thirties and when the backup heat is doing too much of the work.
- We go under the houseRed clay crawlspaces hide crushed ducts, sweating lines and standing water. Comfort problems often start down there, not at the unit, so we look before we start replacing parts you may not need.
- Plain explanationsYou get told what broke and why, in words that make sense. If a repair is a short-term patch on an aging system, we say that out loud so you can plan instead of guessing.
- One crew, six statesWe serve homeowners across Alabama, Georgia, Kentucky, North Carolina, South Carolina and Tennessee. Same approach in every one: show up, diagnose properly, repair what needs repairing, leave the space clean.
- All major brands, gas & electricOne independent crew for Carrier, Trane, Lennox, Goodman, Rheem and more.
- Straight answersNot worth fixing? We say that out loud, and often it saves you the visit fee.
What we cover in Lawrenceville
Small faults get expensive on their own schedule
A part on its way out usually takes something more expensive with it. Getting started takes about a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
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