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 Douglasville
A full AC installation in Douglasville typically runs between $3,500 and $7,500, depending on the size of your home, the condition of your existing ductwork, and whether your electrical panel needs an upgrade. We serve every neighborhood in Douglasville, from the mill houses near downtown to the 1980s and 2000s subdivisions off Chapel Hill Road and Bill Arp Road. Our crews know these homes intimately, and we’ll give you a written price before any equipment is ordered or any tool comes off the truck. Call us at (229) 514-0545 and you’ll talk to a real person, not a voicemail tree.
Here’s the thing about Douglasville that most HVAC companies won’t tell you upfront. This city has a split housing stock. Older homes near Fairburn Road and the downtown corridor still run on original 1970s round ductwork that leaks badly. Newer subdivision homes from the 1990s and 2000s often have oversized units fighting oversized floor plans. Both situations demand more than a like-for-like swap. The right install starts with measuring what’s actually happening in your ductwork, your static pressure, and your electrical panel before anyone picks a tonnage number. Skip that step and you’ll pay for it with hot bedrooms and a system that short-cycles for a decade. Our AC Installation team measures first, then recommends. That’s the whole job.
Why Halden Heating and Air Marietta Is Douglasville’s Preferred AC Installation Company
We’re not the new guy on the block. Halden Heating and Air has been in business since 2004, and Douglasville homeowners call us because we put the important stuff in writing before work starts. Every install includes a written price, a written guarantee, and a 365-Day Done Right Promise. If something isn’t right within a full year, we come back and make it right. No arguing, no fine print, no “that’s not covered.”
You’ll get a live arrival time you can track on your phone, not a four-hour window. Our technicians are background-checked, uniformed, and they show up when we say they will. Andre Fuller leads our team, and he holds every crew member to the same standard he’d expect at his own house. When a Douglasville homeowner calls at midnight with a failed AC in July, a live person answers. Always. That’s the Relay Standard, and it’s part of The Relay Visibility Guarantee that comes with every job we do.
Styles & brands we work with
Furnace Installation in Douglasville
Furnace Installation in Douglasville homes is a different job than it is in colder climates, because our winters are mild but damp. The furnace you choose has to handle high indoor humidity without oversizing, which is a common mistake in this market. A typical Douglasville furnace installation runs $3,500 to $7,500, and the right unit depends on whether you’re pairing it with an existing AC coil or doing a complete system changeout. We handle both, and we’ll give you a written fixed price before any equipment is ordered.
Matching the Furnace to the House
Many Douglasville homes have furnaces that were oversized from day one. An 80,000 BTU furnace in a 1,600-square-foot ranch short-cycles, which means it never runs long enough to dehumidify properly. We run a load calculation on every job, including furnace installs, so you don’t inherit a problem that was baked into the original construction.
When Your Furnace and AC Share Ductwork
Most Douglasville homes use the same duct system for both heating and cooling. If your ducts leak, both systems suffer. We check static pressure and duct leakage before any furnace goes in. If the ducts are losing 20% of their airflow into the crawlspace, a new furnace won’t fix that, and we’ll tell you so before you spend a dollar.
HVAC Installation in Douglasville
HVAC Installation in Douglasville usually means replacing both the furnace and the AC at the same time, which runs $3,500 to $7,500 for a complete system. This is the smart move when your existing units are both 12+ years old and you’re tired of paying repair bills every summer. A matched system runs more efficiently, dehumidifies better, and eliminates the mismatch problems we see constantly in older Douglasville homes. We’ll give you a written price covering the full job, including any duct sealing or electrical panel work that the house actually needs.
Why a Complete System Usually Makes Sense
Mixing a new high-efficiency AC with a 15-year-old furnace often creates airflow and coil compatibility problems. The blower in an old furnace can’t always move the air a new AC coil needs. When both are replaced together, you get a proper AHRI match and a system that actually delivers the efficiency printed on the box.
Duct Leakage and Static Pressure Testing
Before any HVAC installation in Douglasville, we test the duct system. Static pressure that’s too high means the system is fighting itself. Leaky ducts mean you’re paying to cool your crawlspace. We measure both, then tell you what the numbers mean and what it costs to fix. This is the step most companies skip, and it’s the reason so many new systems still underperform.
Trusted Brands We Service in Douglasville
We install and service Trane, Lennox, Goodman, and Rheem equipment, and we keep common parts stocked locally so Douglasville customers aren’t waiting days on a shipped component. Trane units are popular in Douglasville for their humidity control and long-term reliability, and we install a lot of them in the newer subdivisions. Goodman makes sense for budget-conscious replacements in rental properties and starter homes. Lennox and Rheem both have strong high-efficiency options that qualify for Georgia Power rebates. We’ll walk you through the actual differences between brands, not the sales brochure version, and help you pick what fits your house and your budget. We service all major brands, including Carrier, Daikin, Bryant, York, and American Standard, so if you have an existing system you like, we can work on it too.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Douglasville Homes
- Leaky round ductwork in older homes. The original 1970s and 80s flex or round metal ducts near Fairburn Road and the downtown corridor leak at nearly every joint. A new 3-ton unit pushing air through leaky ducts cools the crawlspace more than your living room. We reseal joints and sometimes replace entire duct runs before the new system goes in.
- Oversized units that never dehumidify. Douglasville’s muggy summers punish oversized ACs. A unit that’s too big cools the air fast but doesn’t run long enough to pull moisture out. We see this constantly in 1980s two-story homes where a previous contractor just matched the old tonnage instead of measuring the house.
- Undersized electrical panels. Many older Douglasville homes still have 100-amp panels that can’t handle a modern heat pump’s startup draw. The condenser trips the breaker on a hot afternoon, and the homeowner blames the equipment. We check panel capacity before installation and tell you honestly if an upgrade is required.
- Condensate drain lines that can’t keep up. New high-efficiency ACs pull more moisture from Douglasville’s humid air than older units. If the original drain line is undersized or partially clogged, the drain pan overflows into the crawlspace or onto a slab foundation. We inspect and upgrade drain lines as a standard part of every install.
Pricing for AC Installation in Douglasville, GA
Here’s what Douglasville homeowners actually pay for installation work, based on the jobs we do in this market every week.
| Job | Douglasville Price Range |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Furnace Installation | $3,500 – $7,500 |
| HVAC Installation (complete system) | $3,500 – $7,500 |
What moves the price is the size of your home, the condition of your ducts, whether your electrical panel needs work, and the efficiency rating you choose. A 2-ton Goodman replacement in a small ranch will land at the lower end. A 5-ton Trane with full duct sealing and a panel upgrade in a large two-story will land at the higher end. Either way, you’ll see the number in writing before we order anything. Call (229) 514-0545 for a free estimate, and we’ll come measure your Douglasville home properly.
One thing Douglasville homeowners should know before replacing an AC: a like-for-like swap often disappoints in an older house. The mill houses near downtown and the 1970s ranches off Fairburn Road were built before modern efficiency standards existed. Their ducts leak, their returns are undersized, and their panels were never meant to feed today’s equipment. In a 1970s ranch off Fairburn Road this spring, our crew found the original round duct joints leaking so badly that a like-for-like 3-ton swap would have lost most of its cooling to the crawlspace. We resealed every joint, corrected the return static pressure, and installed a properly sized 2.5-ton Trane with a new evaporator coil and refrigerant charge. Now the whole house cools evenly on a 95°F Douglasville afternoon. That’s the difference between measuring first and guessing first.
We Also Serve Cities Near Douglasville
Our crews handle AC installation for Douglasville and the surrounding area. If you’re in Austell, Mableton, Powder Springs, or Smyrna, we cover those communities too. The same written pricing and the same live tracking apply everywhere we work. Call us at (229) 514-0545 and we’ll get you scheduled.
Serving Douglasville, GA - Our Local Coverage Area
We’re based in the Douglasville 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 Douglasville
Because the problem was never the equipment, it was the ductwork and airflow. In older Douglasville homes, especially those near Fairburn Road with original 1970s round ducts, the joints leak badly and the return side is often undersized. Swapping a 3-ton unit for another 3-ton without measuring static pressure or duct leakage means the new system fights the same airflow restrictions the old one did. The back bedrooms stay hot because the air never actually reaches them. The fix is duct sealing, return enlargement, and sometimes a properly sized smaller unit that matches what the ducts can actually deliver. Call (229) 514-0545 and we’ll test your ducts before any equipment gets ordered.
Humidity changes everything about sizing. Douglasville’s summer dew points regularly sit in the low 70s, which means your AC is doing two jobs at once: dropping the temperature and pulling moisture from the air. An oversized unit cools quickly but shuts off before it dehumidifies, leaving your house cold and clammy. A properly sized unit runs longer cycles that strip humidity effectively. We run a Manual J load calculation using Douglasville’s actual climate data, not a rule-of-thumb square footage guess, so your system is sized for this city’s humidity, not a generic national average. Call (229) 514-0545 for a load calculation on your home.
Many older Douglasville homes, especially 1960s and 1970s ranches, still have 100-amp panels that can’t handle a modern heat pump’s locked rotor amps. The condenser will trip the breaker on hot days, and repeatedly resetting it damages the compressor. If your panel is undersized, we’ll tell you during the estimate and include the upgrade cost in your written price. We won’t install a new system that we know will trip your breaker. Call (229) 514-0545 and we’ll check your panel capacity before recommending equipment.
SEER2 is the updated efficiency rating standard that took effect in 2023, and it measures how much cooling an AC produces per watt of electricity under more realistic testing conditions than the old SEER rating. For Douglasville homeowners, a higher SEER2 rating means lower summer electric bills during our long cooling season, which runs from May through September. A 16 SEER2 unit will cost noticeably more upfront than a 14 SEER2 unit, but the savings on a Douglasville summer electric bill can be $20 to $40 a month. We’ll show you the payback math in writing for your specific home. Call (229) 514-0545 and we’ll run the numbers for you.
New high-efficiency ACs pull more moisture from Douglasville’s humid air than older units did, sometimes 20% to 30% more. If your original drain line was sized for a less efficient system, or if it’s partially clogged with years of sludge, the drain pan overflows into your crawlspace or slab foundation within the first summer. We inspect and upgrade condensate drain lines as a standard part of every install in Douglasville, because this market’s humidity makes it a when, not an if. Call (229) 514-0545 and we’ll make sure your drain line matches your new system’s moisture load.
Written by Andre Fuller, Owner at Halden Heating and Air Marietta, serving Douglasville with honest HVAC installation since 2004.