Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal 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.
Get your free estimateFast, Reliable AC Installation Across Roswell
A new AC system in Roswell typically runs $3,500 – $7,500 installed, and the biggest mistake we see is homeowners buying equipment without a load calculation matched to their specific lot. Trust us on this one. The tree canopy on one side of Canton Street creates a completely different cooling need than the sun-baked asphalt over on Holcomb Bridge Road, even in homes that look identical. Our AC Installation team serves all of Roswell from Riverside Road to Crabapple, and we coordinate scheduling and dispatch from our Atlanta office so crews arrive when we say they will. Call (229) 514-0545 and you will talk to a live person who can get a written quote moving today.
Why Halden Heating and Air Marietta Is Roswell’s Preferred AC Installation Company
Andre Fuller has been leading our crews since 2004, and the standard he set back then still runs every job today: written price before any work starts, background-checked technicians in uniform, and a live arrival time you can track on your phone. No four-hour windows. No price changing at the door. Homeowners needing AC Repair - Roswell keep calling us back because we do what we say we will do.
Every installation we complete in Roswell carries our 365-Day Done Right Promise. If something is not done right, we make it right, and the guarantee is in writing on every single job. We also include a free second visit automatically if anything fails, covered under the written guarantee, not as an add-on you have to negotiate for. That is how AC Installation in Roswell should work, and we have built our reputation on it.
When you book with us, you get a tracking link. You see your technician’s name, photo, and live location as they drive to your door. Most Roswell customers tell us that alone is why they will not go back to the old phone-tag routine. We stock parts locally for Trane, Lennox, Goodman, and Rheem units, which means faster turnarounds when your system is down in August.
Styles & brands we work with
Ductless Mini Split Installation in Roswell
Ductless Mini Split Installation in Roswell is the answer for homes where running ductwork is a nightmare: 1970s slab-on-grade ranchers near the river, historic mill houses with no chases, finished attics over garages off Mansell Road. A ductless system uses a slim outdoor condenser connected by refrigerant lines to wall-mounted indoor heads. No ducts, no crawlspace surgery, no drywall demolition. You get zone control room by room, which matters in Roswell where the back of the house under oak trees needs far less cooling than the front facing west.
Surge Protection for Mini Splits
Roswell summer storms are a serious threat to inverter-driven mini split electronics. A nearby lightning strike can send a voltage spike through the outdoor unit’s control board and destroy it in milliseconds. Whole-house surge protectors installed at the electrical panel are a smart add-on for any ductless system, especially in neighborhoods off Riverside Road where tree lines attract strikes. We test and install panel-level surge protection as part of our mini split jobs, and we always verify grounding before startup.
Flood-Safe Condenser Placement
On low-lying lots near the Chattahoochee, we recommend mounting outdoor mini split condensers on elevated stands, not directly on a pad at grade. After heavy rain, standing water around the unit seeps into the coil fins and compressor housing, accelerating corrosion. A raised stand costs a few hundred dollars and can add years to a $3,500 – $7,500 system. We calculate flood clearance into every quote for homes east of Coleman Road.
AC Replacement in Roswell
AC Replacement in Roswell means removing an old system, often an original R-22 unit in a 1980s colonial or rancher, and installing a new system matched to your actual cooling load. R-22 refrigerant was phased out years ago, so every summer that old unit runs is a gamble on a recharge that already costs hundreds, assuming the part is even available. Most Roswell homes we replace fall between $3,500 and $7,500 depending on SEER2 rating, tonnage, and whether ductwork needs modification. We give you a fixed written price before ordering equipment, never an estimate that balloons after the crew arrives.
When to Replace Instead of Repair
If your AC repair quote hits $650 and the unit is 12 years old or older, replacement usually makes more sense than patching a system on its last season. A compressor failure on an R-22 unit is the big one: that repair alone can run $1,500 or more, and you are still left with an inefficient system. In Roswell’s humid summers, a new 16 SEER2 unit cuts cooling bills measurably compared to a 10 SEER system from the 1990s. Andre Fuller likes to say a repair that costs more than 40% of the system’s current value is a repair that should have been a replacement.
Tight Attics and Crawlspaces
Roswell’s older housing stock means we do a lot of installations in spaces that were never built for modern equipment. A 1980s colonial off Pine Grove Road might have a crawlspace with 36 inches of clearance and a condenser pad sitting six feet from a storm drain. Our crews are used to fitting new air handlers through 22-inch attic hatches and sealing ductwork in spaces you cannot stand up in. We quote the actual labor for your home, not a flat rate that assumes a nice open basement.
Trusted Brands We Service in Roswell
We install and service Trane, Lennox, and Goodman equipment, among others, and we keep common parts for these brands stocked locally for Roswell customers. Most AC installations in Roswell homes use a 14 – 18 SEER2 heat pump or central air system paired with existing ductwork, and we size the unit to your home’s actual load, not a rule of thumb. Carrier, Rheem, York, Daikin, Bryant, and American Standard units are all within our service range, so no matter what is on your wall or beside your foundation, our technicians are certified to handle it. When a part fails in July, waiting a week for a distributor shipment is not an option. We plan around Roswell’s summer demand and keep critical capacitors, contactors, and control boards on the truck.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Roswell Homes
- Flooded condensers switched back on too soon. After the Chattahoochee rises and then recedes, homeowners see water gone from the yard and hit the breaker. Water inside the compressor housing has not drained, and the unit shorts internally on the first start attempt. We see destroyed compressors every August from exactly this sequence, especially in the low-lying streets off Riverside Road.
- Surge-damaged control boards after summer lightning. A storm rolls through, the power blinks, and the thermostat goes dark but the breaker looks fine. Homeowners reset the breaker without understanding that the capacitor or control board already took the hit. The system restarts, then fails again two weeks later. We test capacitors and boards on every post-storm call in Roswell.
- Generators oversized for whole-house loads. A portable generator that is too big for the new inverter-driven heat pump produces unstable voltage. The mini split’s electronics sense the fluctuation and trip offline to protect themselves. The homeowner blames the AC. The problem is the generator’s voltage regulation. We flag this constantly in neighborhoods where whole-house generators are common.
- Wrong load calculations for tree-shaded lots. Roswell’s canopy is one of the city’s best features, but it makes sizing tricky. A condenser sized for a sunny lot on Holcomb Bridge Road will short-cycle and fail to dehumidify a heavily shaded yard off Wills Drive. We run Manual J load calculations with shade factors, not square footage alone.
Pricing for AC Installation in Roswell, GA
Here is what you should expect to pay for common AC installation work in Roswell:
| Service | Typical Price Range in Roswell |
|---|---|
| AC Replacement | $3,500 – $7,500 |
| Ductless Mini Split Installation | $3,500 – $7,500 |
| AC Repair | $150 – $650 |
| Tune-Up | $80 – $200 |
What moves the number: system tonnage, SEER2 efficiency rating, ductwork condition, flood elevation requirements for low-lying lots near the river, and whether surge protection is included. Every quote we give in Roswell is a fixed written price. Estimates are free, and you will see the full line-item breakdown before you sign anything. Call (229) 514-0545 and ask for a free estimate on your specific home.
We Also Serve Cities Near Roswell
Our crews regularly work in Roswell and the surrounding metro, including Woodstock, Marietta, Kennesaw, and Smyrna. If you are just outside Roswell city limits or in a neighboring zip code, we can usually get a technician to your door the same day you call. The same written pricing and tracking apply no matter which side of the Cobb County line you are on.
Serving Roswell, GA - Our Local Coverage Area
We’re based in the Roswell 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 Roswell
No. Do not turn it back on. If floodwater reached the bottom of your condenser, water may still be inside the compressor housing and electrical compartments. Turning it on with water inside can destroy the compressor instantly, turning a possible repair into a full $3,500 – $7,500 replacement. Call us first. We inspect, dry out the electrical components, test the capacitor, and verify there is no internal damage before recommending startup. Call (229) 514-0545 for an inspection, and do not flip that breaker until a trained technician has checked the unit.
Your generator is likely producing voltage that is outside the narrow range your newer inverter-driven heat pump can accept. Older AC units tolerated dirty power. Newer high-efficiency units have sensitive electronics that shut down to protect themselves whenever voltage surges or sags. The fix is usually a surge suppressor or voltage regulator installed between the generator transfer switch and the heat pump. Our technicians diagnose this regularly in Roswell homes where whole-house generators are common, and we can test your generator output under load. Call (229) 514-0545 for a diagnostic visit.
Yes, and this is one of the most common installations we do in Roswell. Slab-on-grade ranchers near the Chattahoochee have no crawlspace and often no attic run space, which makes traditional ducted central air impractical without major remodeling. A ductless mini split solves that by running thin refrigerant lines instead of ducts, with wall-mounted air handlers in each room. You get zone control and high SEER2 efficiency without tearing up walls. Expect $3,500 – $7,500 for a typical multi-zone setup. Call (229) 514-0545 for a site assessment and a written quote.
SEER2 is the updated efficiency standard that accounts for real-world ductwork and external static pressure, not just ideal lab conditions. In Roswell’s older homes with long duct runs and shaded lots, the difference between SEER and SEER2 becomes visible on your utility bill because SEER2 reflects how the system actually performs in your specific house. A unit rated 16 SEER2 in a tree-shaded neighborhood off Wills Drive will perform measurably differently than the same unit in a sunny lot, and sizing to the wrong number means you pay for efficiency you will never see. Our load calculations use SEER2, not the older SEER marketing number.
Three things help: elevate the unit on a stand above typical flood water, keep the coil clean through the pollen season, and install a corrosion-resistant coating on the coil fins. Roswell’s spring pollen load is heavy enough to clog coils faster than in nearby cities, and a clogged coil traps moisture against the metal, accelerating corrosion. We recommend coil cleanings twice a year for low-lying lots near the river. The most important fix is elevation: a unit sitting directly on a pad in a damp corner will corrode years earlier than one on an 18-inch stand. Call (229) 514-0545 and we will assess your specific lot.
Along the Chattahoochee River on Roswell’s east side, 1970s slab-on-grade homes trap moisture around ground-level condensers, accelerating coil corrosion and causing compressor failures that spike every August. That pattern does not show up in drier, higher-elevation neighboring cities. If you live in one of those river-side neighborhoods, do not wait until the unit dies during a heat wave. Get a written quote now. Call (229) 514-0545 or book online and track your technician to the door. We answer live, 24/7.
Written by Andre Fuller, Owner at Halden Heating and Air Marietta, serving Roswell since 2004.