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 Powder Springs
A new AC installation in Powder Springs typically runs $3,500 to $7,500, and the work usually takes one full day. That price lands differently depending on what’s hiding in your house: a 1985 ranch in Country Walk often needs ductwork repairs before a new unit goes in, while a 2000s home in The Enclave at Hillgrove may only need a like-for-like swap. Cold Harbour Heating and Air Marietta sends background-checked, uniformed technicians into Powder Springs weekly, so we know exactly what the older stock throws at us. Call (762) 240-5599 and we’ll walk you through what your house actually needs, in writing, before any work starts.
Why Cold Harbour Heating and Air Marietta Is Powder Springs’s Preferred AC Installation Company
Powder Springs homeowners call us because we put the price on paper before a tool comes out, and that number does not change at the door. It’s the core of The Kingswell Way, the written standard we’ve operated under since 2003 as an independently owned member of the Kingswell network. A cold harbour, the name story goes, was a roadside shelter where travelers waited out rough weather. Comfort in any season is the job, and we don’t ask you to trust a handshake for it.
Our AC Installation team has worked in neighborhoods across Powder Springs long enough to know the difference between a 1920s mill house near downtown and a 1990s split-level off Brownsville Road. That matters. A unit sized for one will punish the other. Victor Mancini, who leads our operation, insists on a Manual J load calculation for every full-system replacement we quote. It’s not optional. If a company quotes you a same-size swap without one, you’re paying for their guess.
When you call, a live person answers. Twenty-four hours a day, seven days a week. No voicemail tree, no “leave a message and we’ll get back to you Monday.” If your AC quits during a Powder Springs heat wave, you reach a human who can schedule a technician that day.
Styles & brands we work with
Ductless Mini Split Installation in Powder Springs
Ductless Mini Split Installation in Powder Springs is the cleanest fix for homes where the ductwork is too far gone or the floor plan never worked with a single central system. Older Powder Springs houses often have one return in a hallway and supplies that barely reach the back bedrooms. A mini split puts a quiet indoor unit in each room that needs it, each with its own temperature control, connected to a single outdoor condenser. Expect to spend $3,500 to $7,500 depending on how many indoor heads you need.
When a Mini Split Beats Duct Repair
If your 1970s ranch has crumbling original ductwork in the crawlspace, patching it can cost nearly as much as a ductless system without solving the airflow problem. Mini splits skip the ducts entirely, so you lose nothing to leaks. In Powder Springs summers, when humidity makes leaks worse and cooling demand spikes, that efficiency difference shows up on the bill.
Zoned Comfort for Split-Levels and Additions
Split-level homes and converted garages rarely get enough air from a central system. A ductless unit lets you cool the hottest room without freezing the rest of the house. For anyone in Powder Springs who’s been running a window unit in a finished attic or back addition, a mini split is the permanent fix.
AC Replacement in Powder Springs
AC Replacement in Powder Springs means removing an old outdoor condenser and often the indoor coil, then installing a new matched system. In a newer 2000s home with tight, well-sealed ductwork, that’s a straightforward one-day job in the $3,500 to $7,500 range. In an older Powder Springs house, the replacement only works as well as the ducts, drains, and panel behind it, and that’s where we slow down and do it right.
Why a Like-for-Like Swap Often Disappoints
Take a 1985 Rheem split system in a Country Walk brick ranch. Original flex duct collapsed under decades of attic heat, return air at only 60% of what the blower needed. We ran a Manual J, found the shortfall, and installed a Carrier SEER2 heat pump with a new trunk line and mastic-sealed connections. Static pressure dropped from .9 to .45 inches. If we’d just swapped the box and left the ducts, the new unit would’ve tripped high-limit faults within a season. Victor Mancini’s crews look for exactly these failures before quoting a replacement, because Powder Springs has a lot of houses from that era.
Drain Safety and Attic Air Handlers
In the Hillgrove High School district, many 1980s homes still run their original attic-mounted air handlers. The secondary drain pan overflow switch is often dead. A brand-new AC unit can still water-stain a ceiling after a summer thunderstorm if that switch isn’t checked and replaced. We won’t put new equipment on top of a failed safety.
Trusted Brands We Service in Powder Springs
Our technicians are trained on nine major residential HVAC brands, and we stock common parts for the systems Powder Springs homes already have. That means a Trane, Lennox, Goodman, or Rheem unit can usually be serviced or replaced without waiting on a distributor run. Dispatch and scheduling are coordinated from the brand’s Atlanta office, but crews serve Powder Springs locally, so parts and people arrive together.
Common AC Installation Problems We See in Powder Springs Homes
- Undersized original ductwork. 1970s ranches often have 6-inch supplies where an 8-inch belongs, starving even a correctly sized new system for airflow. If that’s not addressed, the new unit trips faults and never cools the far bedrooms.
- Electrical panels with no breaker space. 1980s split-levels frequently have full panels with no room for a modern variable-speed blower. Without a subpanel or panel upgrade, you get pushed into a cheaper single-stage unit that runs louder and uses more power.
- Failed secondary drain switches. Attic-mounted air handlers from the 1980s in the Hillgrove area often have a dead overflow switch. A new AC installed on that platform still leaks through the ceiling after a hard July storm.
- Mismatched tonnage from drive-by quotes. A unit sized by square footage alone ignores the humidity load of Powder Springs’ subtropical climate. A Manual J calculation catches that, and it’s the difference between a dry 74 degrees and a clammy 71.
- Heat strip failures on existing heat pumps. Powder Springs gets the occasional freezing winter night, and heat pumps switch to auxiliary strips that often burn out from years of neglect. During a full install, we check and replace those strips while the system is open.
See the difference
Before
After
Before
After
Before
AfterPricing for AC Installation in Powder Springs, GA
Powder Springs homeowners should budget $3,500 to $7,500 for a complete AC installation. What pushes you toward the top of that range: ductwork repair, a new attic platform, a panel subpanel, or moving from a single-stage to a variable-speed system. What lands you at the bottom: a newer home with tight ducts and a straightforward swap.
| Service | Typical Range in Powder Springs |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Mini Split Installation | $3,500 – $7,500 |
Every quote is written and handed to you before work begins. No door-price surprises. Call (762) 240-5599 for a free estimate from Victor Mancini’s team.
We Also Serve Cities Near Powder Springs
Cold Harbour Heating and Air Marietta serves homeowners across the Powder Springs area, including Mableton, Dallas, Marietta, and Kennesaw. If you’re just over the county line or a few exits down, our Powder Springs crews can still reach you quickly. Call (762) 240-5599 and tell us what you’re dealing with.
Serving Powder Springs, GA - Our Local Coverage Area
We’re based in the Powder Springs 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 Powder Springs
Homes from that era were built with ducts sized for the lower airflow standards of the time, and forty years of leaks and collapses make them worse. A new high-efficiency unit needs more air through the same holes, so we often have to enlarge the return, replace collapsed flex, or seal the trunk with mastic before the system will run without tripping faults. Call (762) 240-5599 and we’ll tell you whether your ducts are up to it, in plain English.
Sometimes, but a variable-speed blower needs breaker space that many 1980s split-level panels simply don’t have. A subpanel or panel upgrade adds cost, but it means you get the efficient unit instead of a cheap single-stage downgrade. We’ll check the panel as part of the quote and give you a written price either way.
The old platform and drain pan usually give out around the same time as the handler itself, so reusing them is a false savings. We check the secondary drain switch, the pan pitch, and the platform framing before setting new equipment, because a new AC that leaks through a Powder Springs ceiling in July is not a finished install. Every replacement includes that check, written into the scope of work.
If your current system has never kept the upstairs below 80 on a 95-degree day, or you’ve added a room, new windows, or attic insulation since the old unit went in, a Manual J is worth the time. Powder Springs’ humidity load changes the calculation more than most homeowners realize, and a unit sized by square footage alone will short-cycle and leave the air clammy. We include a Manual J on every full replacement quote.
SEER2 is the newer federal efficiency test standard that measures real-world performance under higher static pressure, so a 15 SEER2 unit is roughly equivalent to what used to be marketed as a 16 SEER. Powder Springs summers run hot and humid enough that the difference shows up in your electric bill and your indoor comfort. We’ll quote both ratings and show you the payback math, written down.
Ready to Talk About Your Powder Springs AC Installation?
Call (762) 240-5599 for a free estimate. A live person answers, any hour, any day. We’ll come out, look at your ducts, your panel, your drain pan, and your floor plan, and hand you a written price before any work begins. Victor Mancini and his team serve Powder Springs directly, and every install is backed by the 365-Day Done Right Promise: if it fails inside a year, we come back and make it right at no charge. That’s in writing.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Marietta, serving Powder Springs since 2003.