Thinking about HVAC or AC replacement in Gwinnett County? You’re likely looking at a project cost ranging from $5,500 to $12,500 for a full system replacement. This variance stems from factors like the system’s size (BTU rating), efficiency (SEER2 rating), brand, and the complexity of the installation. Upgrading to a more efficient system or addressing ductwork issues can increase the price but save you money in the long run. Be sure to also check out our complete Georgia Heating & Cooling guide for more information about regulations and best practices across the state.
Material Prices
While there aren’t material costs in the sense of vinyl or wood siding, here’s a breakdown of typical equipment costs for different types of HVAC systems:
| System Type | Average Equipment Cost (Installed) | Notes |
|---|---|---|
| Standard AC Unit (14-16 SEER2) | $3,500 – $6,000 | Good for basic cooling needs. |
| High-Efficiency AC Unit (18+ SEER2) | $5,000 – $8,000 | Offers greater energy savings. |
| Heat Pump (14-16 SEER2) | $4,000 – $7,000 | Provides both heating and cooling; efficient for Georgia’s mild winters. |
| High-Efficiency Heat Pump (18+ SEER2) | $5,500 – $8,500 | Maximum energy savings for year-round comfort. |
| Furnace (Gas) | $2,500 – $5,000 | Usually paired with an AC unit; costs vary with efficiency. |
Local Factors
In Gwinnett County, you’ll need to obtain the necessary permits before starting any HVAC replacement. Your contractor should handle this process, but it’s good to be aware. Permit costs can add a few hundred dollars to the overall project.
Installation labor rates in Gwinnett are generally competitive, but can vary based on the contractor’s experience, overhead, and the complexity of the job. Expect to pay between $75 to $150 per hour for skilled HVAC technicians. Always get multiple quotes to ensure you’re getting a fair price.
Important: Always verify that your chosen contractor is properly licensed by the Georgia State Construction Industry Licensing Board. This protects you from unqualified or unscrupulous contractors.
Weather Impact
Gwinnett County’s humid subtropical climate presents unique challenges for HVAC systems. The hot, humid summers mean you need a system with excellent moisture control to prevent mold growth and maintain comfortable indoor humidity levels. Look for systems with features like variable-speed blowers and dehumidification modes.
Additionally, Georgia’s high pollen counts, especially in spring, can wreak havoc on indoor air quality. Upgrading to a system with HEPA filtration or adding a UV light air purifier can significantly improve air quality and reduce allergy symptoms. Consider MERV 13 or higher filters for optimal pollen capture.
With the 2026 SEER2 efficiency standards now in effect, upgrading your old HVAC system is more beneficial than ever. Higher SEER2 ratings translate to lower energy consumption and significant savings on your Georgia Power bill during the long cooling season. Modern heat pumps, in particular, are a great option for Gwinnett’s climate, providing efficient heating and cooling throughout the year.
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FAQ
- How long does HVAC replacement typically take?
Most HVAC replacements in Gwinnett County take between 1-3 days, depending on the complexity of the installation and whether ductwork modifications are needed. - Do I need to replace my entire HVAC system at once?
While it’s often more cost-effective to replace both the indoor and outdoor units simultaneously, it’s not always necessary. An HVAC professional can assess your system and advise on the best course of action. Replacing only one component might lead to compatibility issues or reduced efficiency. - How do I choose the right size HVAC system for my home?
HVAC sizing is crucial for optimal performance. A system that’s too small won’t adequately cool or heat your home, while one that’s too large will cycle on and off frequently, leading to energy waste and discomfort. A qualified HVAC contractor will perform a load calculation to determine the correct BTU rating for your home based on factors like square footage, insulation, and window type.