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 Austell
AC installation in Austell typically runs $3,500 to $7,500 depending on the size of the system and the condition of your existing ductwork. If you’re reading this, you’re probably dealing with a failed compressor, a corroded outdoor unit, or an aging system that can’t keep up with Georgia humidity. Halden Heating and Air Marietta serves Austell homeowners with real answers before any work starts, including a written price, a live arrival time, and a 365-Day Done Right Promise on every job. Call (229) 514-0545 and you’ll talk to a person, not a voicemail tree.
Why Halden Heating and Air Marietta Is Austell’s Preferred AC Installation Company
Austell is a specific kind of HVAC market. The housing stock runs from early 20th century mill village cottages to 1960s and 70s ranch homes to newer subdivisions, and each brings its own set of installation headaches. We’ve been doing this since 2004, and our crews know Austell well enough to anticipate problems before they show up on a work order. Andre Fuller, who leads our team, expects every technician to treat an Austell home like their own: background-checked, in uniform, and on time with a live arrival tracker you can follow from your phone.
What sets us apart in Austell is the Relay Visibility Guarantee. You book online or by phone, get a fixed written price before we touch anything, and track your tech to the door. No four-hour windows. No price changes at the door. Every repair and installation carries a written guarantee. If a repair fails inside the coverage window, we return at no charge, automatically. That’s not a promise we make lightly, and it’s why Austell homeowners keep calling us back.
Styles & brands we work with







Central Air Conditioning Installation in Austell
Central Air Conditioning Installation in Austell means more than swapping a box outside. For homes on the west side of town near Sweetwater Creek, or older ranch homes along Austell Powder Springs Road, the job often starts with assessing what the existing ductwork can actually handle. Austell’s mill village homes and 1960s and 70s ranch houses frequently have original galvanized ductwork that’s undersized and leaking at the seams. Installing a new high-efficiency system on top of that is a fast way to kill a compressor early.
We size the system to the house, not the old unit. That means a load calculation based on square footage, insulation, window orientation, and the humidity load Austell gets from May through September. Most central air installations in Austell fall between $3,500 and $7,500, and the final number depends on system size, ductwork corrections, and whether you’re replacing the indoor air handler too.
Ductwork Assessment Before the Quote
Before we quote a central air install in Austell, we inspect the ductwork. Undersized or leaky ducts create high static pressure, which shortens the life of a new system. If your ducts need correction, we include that in the written price before any work starts.
Humidity Control Built In
Austell’s humid subtropical climate means your AC does two jobs: cool the air and pull moisture out of it. A properly sized system handles both. An oversized one short-cycles and leaves the house clammy, which is a problem we see often on rural properties where propane backup heat leads to oversized equipment.
Furnace Installation in Austell
Furnace Installation in Austell is a different conversation than in the city. Many homes on the west side and rural pockets of Austell don’t have natural gas service and run on propane. That changes the math. A propane furnace paired with a central AC or a heat pump system needs to be sized correctly or you’ll fight short-cycling and humidity problems all year.
A furnace install in Austell typically runs $3,500 to $7,500, and the range covers everything from a basic 80% efficiency unit to a higher-efficiency model with a sealed combustion chamber. For homes with existing ductwork in decent shape, we can often complete the swap in a single day and leave you with a written guarantee on the full job. If your ductwork has the typical Austell issues, like rusty galvanized runs or disconnected takeoffs in the crawlspace, we’ll address that in the same visit with the price in writing first.
Propane-Ready Furnace Sizing
Rural Austell homes on propane need more care with furnace sizing. Too large a furnace creates temperature swings and wasted fuel. We calculate actual heat load based on the home’s exposure, because many Austell properties sit on open lots with no wind shelter.
Crawlspace Air Sealing Add-Ons
Homes with crawlspaces, common in older Austell stock, lose a lot of conditioned air through open floor penetrations. We can add air sealing and duct insulation to the scope, quoted separately and in writing, so your new furnace isn’t heating the crawlspace.
Trusted Brands We Service in Austell
We install and service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard equipment. For homes near Sweetwater Creek where coil corrosion is a recurring issue, we often recommend Trane or Carrier units with coated coils and elevated composite pads. Lennox and Goodman also make solid mid-range heat pumps that handle Austell’s humidity well. When we quote a system, we stock common parts locally so a repair or adjustment doesn’t mean waiting on a parts truck from across town.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Austell Homes
- Premature condenser coil corrosion near Sweetwater Creek. The damp, shaded microclimate along the creek accelerates corrosion on outdoor units that sit in runoff paths. Coated coils and elevated pads solve this before it starts.
- High static pressure from original 1960s and 70s ductwork. Austell’s ranch and split-level homes often have undersized galvanized ducts that make a new high-efficiency system work harder than it should. We correct duct transitions during install to avoid early compressor failure.
- Oversized heat pumps on rural propane properties. Homes without natural gas often get heat pumps sized for the wrong reasons, and they short-cycle constantly. We size to the actual load, not the old unit’s label.
- Outdoor units placed in damp, shaded corners. A shaded spot seems good for the unit, but near Sweetwater Creek it means constant moisture and faster coil rot. We reposition the pad or specify corrosion-resistant equipment when needed.
Pricing for AC Installation in Austell, GA
| Service | Price Range in Austell |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Furnace Installation | $3,500 – $7,500 |
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
These are the real numbers for the Austell market. What moves the price on an AC installation is system tonnage, SEER2 rating, ductwork condition, and whether you’re also replacing the air handler or furnace. You won’t get a vague “it depends” from us. You’ll get a written quote with line items before any work starts. Call (229) 514-0545 for a free estimate on your Austell install.
We Also Serve Cities Near Austell
Our Austell customers come from all over west Cobb and south Paulding. We also handle AC Installation in Mableton, Powder Springs, Smyrna, and Marietta. If your home is near Six Flags or just over the county line, we can usually reach you within the same window we’d quote for Austell. Scheduling is coordinated from our Atlanta office and crews serve Austell directly.
Serving Austell, GA - Our Local Coverage Area
We’re based in the Austell 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 Austell
A capacitor near Sweetwater Creek should be checked at least once a year because the damp air accelerates electrical corrosion. Most last three to five years, but in the shaded, high-moisture zones along the creek we often see them fail within two. It’s a $150 to $300 repair, and far cheaper than waiting for the compressor to strain itself to death.
SEER2 is the current efficiency rating for air conditioners and heat pumps, measuring cooling output per unit of energy. In Austell’s long, muggy summers, a higher SEER2 rating means lower electric bills and better dehumidification. Most new installs in Austell land between 14 and 17 SEER2, and the price difference between a 14 SEER2 and a 16 SEER2 unit typically pays for itself in energy savings within several years.
Outdoor units near Sweetwater Creek fail early because the damp, shaded microclimate and runoff from heavy afternoon thunderstorms keep the condenser coil wet for hours after it stops raining. Wet coil fins plus leaf litter and acidic runoff cause corrosion that eats through the coil. The aluminum fins thin out, refrigerant leaks develop, and the compressor eventually overworks and fails. A coated coil, an elevated composite pad, and moving the unit out of the runoff path are the standard fixes we apply on Austell installs.
A heat pump usually makes more sense than a straight AC plus propane furnace for Austell homes without natural gas. Heat pumps handle both cooling and moderate heating, which means you burn less propane during the mild winter nights Austell gets. The installed cost range is the same $3,500 to $7,500, and you get one system doing both jobs instead of maintaining two.
Short cycling in an Austell ranch home almost always traces back to undersized or leaky original ductwork creating high static pressure, which trips the system’s safety limits. The fix is usually a duct correction, not a new thermostat or a bigger unit. We catch this during the install with a static pressure test, and it’s part of why our Austell quotes include ductwork assessment in writing.
Ready to stop guessing at what your Austell home actually needs? Call (229) 514-0545 for a free estimate on AC installation in Austell. You’ll get a real person, a written price, and a live arrival time you can track. No four-hour windows, no door-step surprises.
Written by Andre Fuller, Owner at Halden Heating and Air Marietta, serving Austell since 2004.