AC Installation & Replacement in Gwinnett County

Name: Peachtree Service Experts
Address: 2500 Meadowbrook Parkway, Suite F, Duluth, GA, 30096
Telephone: (678) 336-5225

Serving Greater Atlanta Since 1947, Backed by the Service Experts Guarantee

Gwinnett County summers are long and humid, and when your cooling system can’t keep up or gives out entirely, you need a dependable air conditioning replacement company ready to move. Peachtree Service Experts has served Greater Atlanta since 1947. Our ACE-certified technicians are licensed, bonded, and insured, and we hold a 4.9 average rating on Google. We serve Duluth, Lawrenceville, Suwanee, Norcross, Snellville, Buford, Lilburn, Dacula, and the surrounding communities, and the Service Experts Guarantee backs every installation we complete.

Ready to schedule AC installation or replacement in Gwinnett County? Call (678) 336-5225 now. Our team is available 24 hours a day, 7 days a week.

What Every AC Installation Includes

A new system is only as good as its installation. Every AC installation we complete in Gwinnett County begins with detailed load calculations to determine the exact cooling capacity your home requires. Proper sizing matters: an oversized system short-cycles and can leave humidity problems behind, while an undersized system runs continuously during peak summer days without reaching your set temperature.

Beyond sizing, our process covers every detail that separates a quality installation from a rushed one:

Protective shoe coverings and drop cloths to keep your floors and home clean throughout the visit
Ductwork inspection included with every installation to surface leaks or deficiencies that could hurt new-system performance before the first cooling season ends
Electrical connections completed to manufacturer specifications
Comprehensive system testing to confirm optimal performance from day one

Every installation is completed to manufacturer specifications, as required by the Service Experts Guarantee.

The Service Experts Guarantee & ACE Certification

Replacing an AC system is a significant investment. The Service Experts Guarantee gives Gwinnett County homeowners structured protection if a new system doesn’t perform to manufacturer specifications.

Installation & Service Guarantee

If new equipment doesn’t perform to manufacturer specifications within the first year, we make up to three repair attempts at no additional cost. If those attempts don’t resolve the issue, the unit is replaced with a comparable one. Separately, if any repair or service doesn’t resolve the issue within 30 days, we re-perform it once at no additional cost.

ACE-Certified Technicians

Our ACE-certified technicians hold a credential that requires annual recertification, keeping them current with industry advances and the latest equipment technology. ACE certification covers ethical service alongside technical skills and confirms that technicians are knowledgeable about every product we install. That means the person sizing and installing your system can walk you through your options clearly, not just hand you a quote.

Equipment Lease & Maintenance Options

Facing an unexpected AC failure during a Gwinnett County heat wave shouldn’t mean scrambling to cover a large upfront cost. Our Advantage Program provides brand-new equipment with no down payment, coverage on parts and labor, annual maintenance, and priority service, all for one monthly payment. It’s a lease agreement; see lease terms for full details.

If you’re purchasing a new system, our Maintenance+ Membership keeps it running efficiently after installation. Members receive annual tune-ups, priority service scheduling, and exclusive discounts on repairs, supporting your investment over the long term.

Schedule Your Gwinnett County AC Installation Today

Whether you’re replacing a system that’s past its prime or installing cooling in a home that needs it, Peachtree Service Experts is ready. Call (678) 336-5225 to schedule your AC installation and replacement with our team. We’re available 24/7, and every installation is backed by the Service Experts Guarantee.

When to Repair vs. Replace Your AC System

Most AC systems in Georgia’s long cooling season last 10 to 15 years, though heavily used systems in the South often reach that threshold sooner. A system approaching or past that range is a strong replacement candidate even if it’s still running. Age alone isn’t always the deciding factor, but it shapes how to weigh the other signals.

A useful benchmark is the 5,000 rule: multiply the system’s age by the estimated repair cost. If the result exceeds $5,000, replacement is generally the better investment. Other signals worth considering:

Frequent repair calls, especially for the same component, indicate major parts are wearing out across the board
Rising energy bills without a change in usage habits point to a system working harder to maintain output
Uneven cooling or an inability to hold set temperatures during Gwinnett County’s peak summer heat suggest a system that’s degraded or undersized for the load
Refrigerant phase-outs under current regulations can make servicing older systems expensive; a new system can help you avoid that constraint

How Gwinnett County’s Climate Affects AC Sizing

Gwinnett County sits in a humid subtropical climate zone, which means a cooling system has to manage indoor humidity alongside temperature. That distinction shapes system selection in ways a simple square-footage estimate can’t capture.

Home characteristics that affect required cooling capacity include ceiling height, insulation quality, window area and orientation, and sun exposure. Two homes with identical floor plans can have meaningfully different cooling requirements. Ductwork condition is part of the equation too: leaky or uninsulated ducts reduce how much of a system’s output actually reaches the living space, and that has to be factored into sizing.

Oversized systems short-cycle, limiting dehumidification and leaving rooms feeling clammy even when the thermostat reads correctly. Undersized systems run continuously on peak summer days, accelerating wear. A Manual J load calculation accounts for all of these variables and is the industry-standard basis for sizing a new system correctly.