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 Installation Across Lilburn
Most Lilburn homes we visit sit on vented crawl spaces with ductwork that has been pulling in Georgia humidity for 30 or 40 years. That matters more to your new air conditioner than you might think. We schedule AC installation across Lilburn every week, and our crews know Killian Hill Road, Lawrenceville Highway, and the ranch neighborhoods off Five Forks Trickum without a GPS. Every install starts with a written price, and every job ends with a photo of the clean-up sent before we leave. Call (747) 966-3037 for a free estimate, and a live person will answer, day or night.
Why Meadowsweet Heating & Air Is Lilburn’s Preferred AC Installation Company
Lilburn homeowners keep calling us back for one specific reason: we treat the crawl space as part of the job, not a place to skip. A new AC placed on top of old, leaking flex duct will never cool the way it should, and we say so before you spend a dollar. Our technicians are background-checked, uniformed, and they follow our C.A.R.E. values code on every job: clean up like it’s their own home, ask before moving anything, respect your family’s quiet hours, and explain the price before the work starts. That last part is not optional for us. You get a written price before any work begins, every time, and the 365-Day Done Right Promise stands behind the entire install.
Luis Serrano leads our Lilburn install crews, and he has spent enough time under Gwinnett County houses to know that a 1979 split-level in Lilburn is not the same job as a 2015 home in Grayson. The ductwork is older, the crawl space is wetter, and the original equipment was sized before energy codes caught up with metro Atlanta’s summer moisture loads. We plan for that. We also answer our own phones 24/7, so when you call about an install, you are not routed through a national call center.
AC Replacement in Lilburn
AC Replacement in Lilburn usually means removing an R-22 system that can no longer be legally recharged and putting in a properly sized SEER2 unit matched to your home’s actual cooling load. The old system in many Lilburn homes was sized by square footage alone, and square footage does not account for west-facing glass on a split-level or a crawl space that never dries out. A correct replacement starts with a load calculation, and if the ductwork cannot move the air the new system produces, we replace or seal it before the equipment goes in. A typical AC Replacement in Lilburn runs $3,500-$7,500 depending on equipment, duct scope, and crawl-space access, and Luis Serrano’s team will quote you a fixed written price before any work starts.
Replacing Aging R-22 Systems
Lilburn’s housing stock was built when R-22 refrigerant was standard, and that refrigerant is now phased out. The equipment itself has also aged past its useful life. We remove the old condenser and air handler, recover any remaining refrigerant safely, and install a new system that meets current SEER2 efficiency standards for Gwinnett County’s humid climate.
Crawl-Space and Duct Integration
On homes where the ductwork is original, replacement without duct repair is wasted money. We inspect and often seal or replace flex duct in the crawl space before we commission the new system. That is the difference between a new AC that cools a Lilburn home properly and one that leaves bedrooms clammy in August.
Central Air Conditioning Installation in Lilburn
Central Air Conditioning Installation in Lilburn carries extra weight for homes where no natural gas main ever reached the property. If your furnace runs on propane or your heat pump handles both heating and cooling, the central air side has to be sized to match the entire system, not bolted on as an afterthought. Central air installation in Lilburn runs $3,500-$7,500, and the final number depends on the equipment match, the ductwork condition, and whether we are working with an existing gas furnace, a propane conversion, or a full heat pump swap. We quote the full job in writing before anything is ordered.
Matching Central Air to Propane and Heat Pump Systems
Many rural-edge lots off Killian Hill Road and Dickens Road have no natural gas service. That means the cooling system has to be paired with propane heat or an all-electric heat pump, and the match must be right at the coil level. We install Carrier, Trane, Goodman, and Rheem equipment, and we check the compatibility before we ever bring equipment to your door.
Sizing for Exposed Lilburn Properties
Homes on open lots without tree cover lose heat faster in winter and gain it faster in summer. A central air system sized only by square footage will overheat on the hottest days and call for service constantly. We run a load calculation on every central air install, which accounts for orientation, shading, windows, and the home’s actual envelope, not just the floor plan.
Trusted Brands We Service in Lilburn
Meadowsweet Heating & Air installs and services equipment from Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Lilburn customers, we keep common Goodman and Rheem parts on our trucks because so many existing homes in the area run those brands, and waiting on a distributor means another hot week in August. When we install a new system, we register the warranty for you, and our 365-Day Done Right Promise backs our work regardless of the brand on the label. A live person answers our phone 24/7, so when your Carrier condenser fails on a July evening, you reach a human being, not a voicemail queue.
Common AC Installation Problems We See in Lilburn Homes
- Propane conversions quoted as gas swaps. An out-of-area contractor assumes a gas furnace replacement without checking whether a gas main even reaches the property. By the time the Gwinnett permit is pulled, the job is a propane or heat pump redesign, and the homeowner pays for the confusion. We check fuel source before we quote, because we serve Lilburn specifically and we know which roads lack gas service.
- New equipment dropped onto 1970s flex duct. The original ductwork in a Lilburn ranch or split-level has spent 40 years in a vented crawl space with Georgia’s red-clay ground moisture. New equipment on old duct runs at the wrong static pressure, and the new AC gets blamed for a house that still feels humid. We inspect the duct first. Always.
- Oversized systems on exposed rural-edge lots. Properties without wind shelter off Killian Hill Road and beyond need a true load calculation, not a square-footage estimate. An oversized unit short-cycles, which kills dehumidification and leaves a Lilburn house feeling sticky when the air is running. On a heavily treed lot off Killian Hill Road where no gas main runs, we replaced a failed R-22 split with a Carrier propane-fired system plus a central air installation. The first thing our tech did was a load calculation – the original unit was oversized for the exposed house and short-cycling. We sealed and re-routed crawl-space ductwork, set the refrigerant charge by subcooling, and the homeowner’s clammy-summer complaint disappeared because the new equipment actually managed the latent load.
- Gwinnett County permit delays. Gwinnett County – not the City of Lilburn – issues all HVAC permits and schedules inspections through its Building and Construction division in Lawrenceville. Spring and fall backups can add days to a project timeline, and crews unfamiliar with the county’s queue get caught off guard. We build county inspection time into every AC Installation schedule we quote in Lilburn.
Pricing for AC Installation in Lilburn, GA
Here is what a Lilburn homeowner should expect to budget. These ranges reflect what we see across the city’s older ranch and split-level stock, where ductwork often needs attention at the same time as the equipment.
| Service | Typical Lilburn Price Range |
|---|---|
| AC Installation (AC Replacement / Central Air Conditioning Installation) | $3,500-$7,500 |
| AC Repair | $150-$650 |
| Furnace Repair | $150-$700 |
| Tune-Up | $80-$200 |
Your final AC installation price depends on the equipment match, duct condition, and whether the home needs a propane or heat pump conversion because no gas main reaches the property. We give you a written, fixed quote before any work starts, and a free estimate is always part of the first visit. Call (747) 966-3037 and we will walk you through the numbers on the phone, no pressure, no obligation.
We Also Serve Cities Near Lilburn
Meadowsweet Heating & Air handles Lilburn jobs every day, and our crews also cover Snellville, Lawrenceville, Grayson, and Buford. If you live in one of those neighboring communities and need central air or a propane conversion, call us – the same written-price promise and clean-up standard apply no matter which city is on your address.
Serving Lilburn, GA - Our Local Coverage Area
We’re based in the Lilburn 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 Installation in Lilburn
Because Gwinnett County – not the City of Lilburn – issues every HVAC permit and inspection out of Lawrenceville, your timeline runs on the county’s queue, not the contractor’s schedule. Spring and fall permit backups add days that a Snellville job, which faces the same county process but often newer housing stock with simpler duct access, may not encounter in the same way. We build that county inspection time into every Lilburn install quote we write.
Your options are a propane-fired system or an all-electric heat pump, and both can carry central air. We check your property’s fuel source before we quote anything, because many lots off Killian Hill Road and the rural edges of Lilburn never had gas mains extended. A heat pump handles both heating and cooling, and a propane furnace can be paired with a central AC coil that meets your cooling load. Call (747) 966-3037 and we will help you compare the two for your specific property.
Probably not, if the ductwork is original. Lilburn’s 1970s-era ranch homes sit on vented crawl spaces, and the flex duct has spent decades exposed to Georgia humidity and red-clay ground moisture. Leaking ducts pull in damp air from the crawl space, and the new AC cannot remove moisture that keeps entering through the duct barrier. We inspect and often seal or replace ductwork before we commission the new system, because a new unit on bad duct still leaves a sticky house.
Yes, and rural-edge Lilburn properties make this a common ask. We install mini split systems and small central air packages for detached garages, workshops, and outbuildings that are not connected to the main home’s ductwork. A mini split gives you independent temperature control without running new duct through a crawl space or across the yard. We will quote it in writing before any work starts.
Yes, and it matters more in Lilburn’s humid Piedmont climate than it does in drier parts of the country. SEER2 is the updated efficiency standard that accounts for how equipment actually performs under real conditions, including the heavy latent loads we get when summer dew points sit above 70°F for weeks. A higher SEER2 system will manage moisture better and run less often, which matters on exposed rural-edge properties and in older homes with less durable envelopes.
If you need AC Installation in Lilburn, call Meadowsweet Heating & Air at (747) 966-3037. We will give you a free, written estimate, answer your questions about propane versus heat pump, and schedule a time that works for your family – kids, pets, and all. A live person answers the phone, and the quote is yours to keep.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving Lilburn and surrounding Gwinnett County communities.







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