AC Installation in Dunwoody
Get fast, fair pricing from licensed local pros. Typical Dunwoody cost: $4.4k – $8.8k+ installed.
- Central AC (replace)
- $4.4k – $8.8k+
- New central AC + ducts
- $6.6k – $14.5k+
- Ductless mini-split
- $3.3k – $8.8k
- Permit & inspection
- $85 – $450
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AC installation cost by system.
Installed pricing for Dunwoody, adjusted for local labor. Higher SEER2 tiers, larger tonnage, and new ductwork add to the base.
In Dunwoody, Georgia, where the median home was built in 1984 and summer cooling demand is high, AC installation costs typically range from $4,400 to $8,800 for a like-for-like central AC replacement. New systems with ductwork can run $6,600–$14,300, while ductless mini-splits and heat pumps fall between $3,300–$13,200+. Local permits are required, and licensed contractors must handle the work. Given the hot-humid climate and mixed heating needs, a heat pump is a strong fit for many homes, offering both cooling and efficient heating.
- Central AC, like-for-likeExisting ducts in good shape$4,400 – $8,800+
- New central AC + ductworkFirst-time or full duct replacement$6,600 – $14,500+
- Ductless mini-splitSingle or multi-zone, no ducts$3,300 – $8,800
- Heat pump (cooling + heating)Qualifies for federal & local rebates$5,500 – $13,000+
- Permit & inspectionRequired in most jurisdictions$85 – $450
* High-efficiency systems cost more upfront but may qualify for federal tax credits and utility rebates.
Pricing reviewed · Local data from U.S. Census ACS
HVAC systems in Dunwoody
U.S. Census ACS- Households
- 20,583
- Homeowners
- 11,973
- 51% own
- Median home value
- $545,200
- Median income
- $106,710
- Median home built
- 1984
- Housing units
- 23,443
With a median home built in 1984, many Dunwoody AC and furnace systems are at or past their 12–15 year lifespan — a common reason replacements spike here.
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What’s different about Dunwoody.
Generic cost pages skip the things that actually decide your price and which system fits here — local code, climate, and the money you can claim back.
Recommended unit for Dunwoody
Given Georgia’s hot-humid climate and mixed heating, high-seer2 heat pump is the sensible default for most Dunwoody homes. With a long, hard cooling season here, stepping up the SEER2 tier pays back through lower summer bills. A pro can confirm the right size and system for your home with a load calculation.
Sources: Georgia's Home Energy Rebates (GEFA) · Georgia Power Home Energy Improvement Program · EnergySage Georgia electricity rates
What Dunwoody code requires
Installing or replacing an HVAC system in Dunwoody follows Georgia rules under the state mechanical code. Here’s what applies statewide:
- PermitRequired
Mechanical permit pulled by your licensed HVAC contractor; covers equipment, refrigerant, and the electrical disconnect.
- SEER2 minimum14.3 SEER2 (Southeast)
Federal Southeast-region minimum for new split-system AC. Higher tiers cut bills and unlock rebates.
- Load calculationRecommended
Sizing by load calc — not rule of thumb — prevents an oversized unit that short-cycles and never dehumidifies.
- RefrigerantR-454B / R-32 (R-410A phased down 2025+)
- Good to know—
Georgia follows the IECC-based state energy code; mechanical permits and licensed-contractor installs are required, and Manual J/S sizing is recommended practice but not strictly code-enforced on changeouts.
Sources: Georgia's Home Energy Rebates (GEFA) · Georgia Power Home Energy Improvement Program · EnergySage Georgia electricity rates
Not sure which rules and rebates apply to your home?
A licensed Dunwoody pro will walk you through code, the right unit, and what you can claim back — in one quick call.
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Money back in Dunwoody
Georgia heating is mostly mixed, which shapes the money back:
- StateUp to $8,000 for a qualifying heat pump (income-qualified, <150% AMI)Georgia Home Energy Rebates - HEAR (Home Electrification and Appliance Rebates) →
State or utility program — verify eligibility before you buy.
- StateUp to $1,000 (up to 50% back on qualifying energy-saving upgrades)Georgia Power Home Energy Improvement Program (HEIP) →
State or utility program — verify eligibility before you buy.
- Federal30% of cost, up to $2,000Federal 25C tax credit — heat pump →
For a qualifying ENERGY STAR heat pump meeting the CEE efficiency tier. Claimed on your federal return.
The federal 25C tax credit (30%, up to $2,000 for a qualifying heat pump and up to $600 for a high-efficiency central AC) applies in every state, including Georgia.
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- 1
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- 2
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- 3
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AC Installation in Dunwoody, explained.
What Drives AC Installation Costs in Dunwoody
In Dunwoody, pricing depends on system type (central AC, heat pump, or ductless), efficiency level (SEER2), and whether ductwork is needed. Older homes (median built 1984) may require duct modifications or upgrades to meet current codes. Labor costs reflect local rates, and the federal 25C tax credit (up to $2,000 for qualifying heat pumps, $600 for high-efficiency AC) can lower out-of-pocket expenses. Permit fees and load calculations also add to the total.
Common AC Installation Issues in Dunwoody
Aging Ductwork
Many homes built in the 1980s have undersized or leaky ducts, requiring repairs or replacement for proper airflow and efficiency.
Permit and Code Compliance
Georgia requires mechanical permits for AC installation; unpermitted work can cause issues during home sales or inspections.
Refrigerant Transition
With R-410A being phased out, new systems use R-454B or R-32, which may require different handling and affect compatibility with older equipment.
What to Expect During AC Installation
A licensed contractor will first perform a load calculation (Manual J) to size the system correctly. After obtaining the required mechanical permit, the installation typically takes one to two days. The crew will remove the old unit, install the new equipment, connect refrigerant lines, and test the system. Final inspection by the local building department ensures code compliance.
AC Installation FAQs — Dunwoody
Yes, Georgia law requires a mechanical permit for AC installation. Your contractor should pull the permit and schedule the required inspection.
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