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 Holly Springs
A new central air system in Holly Springs runs $3,500 – $7,500 installed, and most replacements take one full day from start to finish. We’re Cold Harbour Heating and Air Marietta, and our AC Installation crews work Holly Springs neighborhoods every week, from Hickory Flat cul-de-sacs to the waterfront streets of Harmony on the Lakes. If your system is leaking, short-cycling, or just past its useful years, call (762) 240-5599. We’ll give you a written price before any work begins, and we’ll show up in the window we promised.
Why Cold Harbour Heating and Air Marietta Is Holly Springs’s Preferred AC Installation Company
Holly Springs homeowners don’t call us because we’re the closest truck on the map. They call because we know what happens when a 1998 R-22 condenser finally quits on Hickory Flat Road in July, and because we show up ready for the HOA conversation that comes with it. Our reputation across Holly Springs is built on the Kingswell Way: we say the price before the work, we arrive in the window we gave, we leave the job site cleaner than we found it, and we put the guarantee in writing before the technician leaves. Victor Mancini leads our crews, and he’s the one who reviews the load calculations and sizing on every Holly Springs job before we order equipment.
Response time to Holly Springs is typically same-day for diagnosis and next-day for scheduled replacements. That matters during a Cherokee County heat wave, when an undersized attic air handler gives out on a Friday afternoon and the whole house hits 88 degrees by dinner. We don’t want you waiting a week for a quote. We’ll get a technician to your door, measure the space, check the ductwork that’s been baking in your unconditioned attic for 20 years, and hand you a fixed number on paper before the first tool comes out.
There’s a reason a cold harbour was a roadside shelter where travelers waited out the weather. That’s the job we do for Holly Springs: comfort in any season, backed by a written promise that brings us back for free if something isn’t right inside a full year.
Styles & brands we work with







Furnace Installation in Holly Springs
Furnace Installation in Holly Springs usually runs between $3,500 and $7,500 when paired with a new coil and condenser, and it’s the right call when your system is R-22, over 15 years old, or leaking refrigerant the federal supply has made expensive to replace. A homeowner in Harmony on the Lakes with an original 1998 system is exactly the profile we see most: working furnace, dead compressor, and ductwork in the attic that’s been losing efficiency for two decades. We’ll check it all before we recommend anything.
Matching the Furnace to the House
We measure the full conditioned space room by room and run a Manual J load calculation before recommending equipment. In 1990s Holly Springs homes, the original builders often specified the bare minimum capacity, which means the furnace and blower fight the ductwork on humid afternoons. A correctly sized system is quieter, drier, and cheaper to run.
Furnace and Coil Pairings for Humid Summers
Holly Springs’ humidity is the silent problem. A furnace is only half the comfort equation; the indoor coil above it determines how much moisture gets pulled out of the air. We match new furnaces to coils with proper latent capacity so the house doesn’t feel sticky even when the thermostat reads 72. That’s a Holly Springs-specific concern, not something a generic installer from outside Cherokee County thinks about.
HVAC Installation in Holly Springs
HVAC Installation in Holly Springs means replacing the full system – furnace, coil, and condenser – and it’s the far better long-term choice when your existing equipment is original from the Bill Clinton administration. We install new systems for $3,500 – $7,500 in Holly Springs, and the price includes the load calculation, new copper lines where needed, a proper evacuation, and a refrigerant charge set with digital gauges. No shortcuts, no “reuse the old lineset because it’s easier,” and no surprises at the door.
Ductwork in Unconditioned Attics
The biggest efficiency loss we see in Holly Springs is not the equipment; it’s the ducts. Homes built between 1995 and 2010 tend to have flex duct running through attics that hit 130 degrees in August. If your new high-efficiency unit is connected to leaking, undersized, collapsed ductwork, you’ll pay more every month and still feel warm upstairs. We inspect and seal or replace what needs it, and we tell you exactly what we found and what it costs before we start.
HOA-Approved Equipment Placement
Install location in Holly Springs is often not your choice alone. We’ll check your covenants, photograph the existing pad and screening, and spec a unit that fits the current footprint so the HOA approval goes through without a redesign. Planning around sight-line and screening rules up front means you’re not the homeowner who has to reschedule a whole install because the new condenser sat three inches too far left.
Trusted Brands We Service in Holly Springs
Our Holly Springs crews install and service Rheem, Goodman, and Trane systems, among other major residential brands. We stock common replacement parts locally for Holly Springs jobs, which means a refrigerant leak, a failing capacitor, or a clogged condensate line doesn’t turn into a multi-day parts wait in mid-July. Whether you inherited a 2003 Goodman from the previous owner or you’re upgrading to a new SEER2-rated Trane, our techs are trained to work on what’s already in your house, and we spec replacements to match the cooling load your Holly Springs home actually needs.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Holly Springs Homes
- Original R-22 systems hitting end of life. Holly Springs grew fast in the late 1990s and early 2000s, and a lot of those first-wave systems are still running on borrowed time. When they go, they go in August, and R-22 replacement refrigerant now costs more than the repair is worth.
- HOA sight-line and noise rules catching homeowners off guard. You can’t always put a new condenser where the old one sat, even if it fits. In covenant-heavy neighborhoods like Harmony on the Lakes, the HOA may require the unit to sit on the original pad behind a lattice screen. We plan for that from the first visit, not the morning of install.
- Oversized units that short-cycle. Some companies sell a bigger unit because it’s easier than doing the math. In Holly Springs, an oversized AC short-cycles, so it never runs long enough to pull humidity out of the air. You get a cold, clammy house and a higher electric bill.
- Attic air handlers on slab foundations with ancient duct runs. The ductwork matters as much as the equipment. When we see a new condenser and furnace attached to 1998 ductwork that’s full of gaps and kinks, we know the system won’t perform and the house won’t dehumidify. We fix that before we call the job done.
Pricing for AC Installation in Holly Springs, GA
Here’s the honest breakdown for a full AC installation in Holly Springs. The price your neighbor off Sixes Road paid may not match yours exactly, because square footage, ductwork condition, and HOA screening requirements all move the number. That’s why we never quote over the phone sight unseen. We give you a written, fixed price before any work begins, and it doesn’t change at the door.
| Job | Holly Springs Price Range |
|---|---|
| AC Installation (full system, furnace + coil + condenser) | $3,500 – $7,500 |
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| Seasonal Tune-Up | $80 – $200 |
Call (762) 240-5599 for an exact quote. Estimates are free, and there’s no overtime charge for emergency calls in Holly Springs.
We Also Serve Cities Near Holly Springs
Our crews handle AC Installation in Holly Springs and the surrounding Cherokee County area, including Woodstock, Acworth, Roswell, and Kennesaw. If you’re just outside Holly Springs and need a straight answer on replacement cost, call us; the drive’s short and the information’s free.
Serving Holly Springs, GA - Our Local Coverage Area
We’re based in the Holly 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 Holly Springs
Most Holly Springs HOAs, including Harmony on the Lakes, approve a properly documented condenser replacement within one to two weeks. The key is submitting the right paperwork the first time: manufacturer specs, decibel rating, footprint dimensions, and a photo showing the proposed location against existing screening. We prepare that package for you so the approval doesn’t hold up the install.
Yes. Higher-efficiency units are not automatically bigger, and many modern SEER2 condensers match or come close to the footprint of a 1990s unit. We spec your new system to fit the pad and the sound rules, then submit the documentation your HOA needs. A same-footprint replacement that meets the decibel cap is doable in almost every Holly Springs neighborhood.
Most 1990s Holly Springs homes between 1,800 and 2,400 square feet need a 3-ton unit, but the only way to know is a Manual J load calculation that accounts for window orientation, attic insulation, duct leakage, and the unconditioned attic where your air handler sits. We run that on every job. Sizing by square footage alone is how homes end up with short-cycling systems that never dehumidify.
Yes, if the system is sized correctly and the indoor coil is matched properly. Holly Springs summers push dew points into the low 70s, and a right-sized system runs longer cycles that remove more moisture. We also check duct leakage in the attic, because humid outside air pulled into leaking return ducts makes the whole house feel damp no matter what the thermostat says. Our tuning includes static pressure and refrigerant charge verification.
We select condensers with decibel ratings that stay below your specific neighborhood’s written limit, and we account for how the sound reflects off the required screening enclosure. Some units are quiet on paper but loud behind a lattice screen. We measure, we spec, and we document the unit’s decibel rating in the HOA package so your approval goes through without a noise complaint hanging over it.
If your Holly Springs AC is on its last legs and you want the replacement planned around your HOA instead of against it, call (762) 240-5599. We’ll come out, measure the house, check the ducts, pull the load calculation, and hand you a written price. Victor Mancini and our Holly Springs crew will make sure the new system fits your house, your street, and your covenants before the old one leaves the pad.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Marietta, serving Holly Springs, GA.