1.Thompson & Thompson Service Group
780 King George Blvd, Savannah, GA 31419, USA
Editorial by Andre Caçador, Founder of Hero365 · Sources: Google Places · Last updated Jul 21, 2026
780 King George Blvd, Savannah, GA 31419, USA
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For a straightforward like-for-like AC/heat pump replacement (3-ton system, existing ductwork in decent shape), expect $4,500-$9,000 installed in the Savannah metro, per typical Southeast regional cost data from Angi and HomeAdvisor's 2025-2026 reports. Ductless mini-splits, popular for additions and for the shotgun-style and Victorian homes downtown where running new ductwork means cutting into plaster and heart pine, run $3,500-$7,000 per zone depending on how many heads you need. A full system replacement including new ductwork (common in homes off Bull Street or in the Victorian District where original ducts were never sized for AC) can run $10,000-$18,000+. Routine service calls and diagnostics land around $85-$150, with repairs typically $150-$700 depending on whether it's a capacitor swap or a compressor. Annual maintenance contracts run $150-$300 and are worth it here specifically because Savannah's humidity accelerates coil and condensate-drain fouling faster than in drier climates. Get three quotes minimum — the spread in this market is wide because labor costs vary a lot between crews working new construction in Pooler/Richmond Hill versus specialists who work historic retrofits downtown and price in the extra care that requires.
Ask directly whether they've worked in the Historic District or on homes with crawl spaces versus slab foundations — Savannah has a lot of both, and the mechanical solutions differ. A contractor who only knows slab-on-grade new construction may not properly account for the moisture load coming up through a pier-and-beam crawl space, which is a common source of musty smells and undersized-AC complaints in older Savannah neighborhoods like Ardsley Park or Thomas Square. Ask how they size a system — a proper Manual J load calculation, not a rule-of-thumb 'square footage divided by 400.' Oversizing is rampant here because contractors overcorrect for humidity, which actually causes short-cycling and worse humidity control, not better. Ask about coastal-rated equipment: condenser coils and cabinets within a few miles of the Savannah River or out toward Tybee should be rated for salt-air exposure (some manufacturers offer coated coils specifically for this), or you'll see corrosion failures years earlier than the warranty period. Confirm they pull permits — reputable Savannah HVAC contractors pull permits through Chatham County or City of Savannah routinely; if someone tells you it's not necessary for a straight swap, that's a flag.
HVAC contractors in Georgia must hold a Conditioned Air Contractor license (Class I or Class II depending on tonnage/scope) issued by the Georgia State Construction Industry Licensing Board, under the Secretary of State's office. You can verify a license number directly through the Georgia Secretary of State's license lookup — do this before signing anything; it takes two minutes. For work inside city limits, permits are pulled through the City of Savannah's Department of Development Services / Building Safety Division; unincorporated Chatham County uses Chatham County Building Safety & Regulatory Services. If your home is within the boundaries of the Savannah Historic District (roughly the National Historic Landmark District downtown), exterior condenser placement may also need sign-off tied to Metropolitan Planning Commission / Historic Preservation review guidelines, particularly if the unit or line set will be visible from a public right-of-way. This trips up a lot of homeowners doing a straightforward AC swap who didn't realize the outdoor unit placement itself could require a look from the historic review process. A good local contractor will flag this before install day, not after an inspector does.
Humidity is the recurring theme. Savannah sits in a humid subtropical zone with summer dew points regularly in the 70s, and an undersized dehumidification strategy shows up as musty smells, sticky floors, and mold on closet walls even when the thermostat reads a comfortable 72. This is why load calculations and proper variable-speed equipment (rather than oversized single-stage units that cool fast but don't run long enough to pull moisture out of the air) matter more here than in drier climates. Salt-air corrosion is the second big one, especially within a few miles of the marshes, the river, or out toward Tybee — condenser coils and cabinet screws corrode faster, so ask about corrosion-resistant coil coatings if you're near water. Third: older housing stock. A lot of homes in the Victorian District, Ardsley Park, and the Landmark District had window units or no cooling for decades before central air got retrofitted, meaning ductwork is often undersized, leaky, or routed through unconditioned attics that hit 130°F+ in July, which tanks efficiency. Sealing and insulating that ductwork is often as impactful as replacing the unit itself, but it's the step corners get cut on.
Savannah's hurricane season (June through November, per NOAA) matters for HVAC planning in ways homeowners in inland cities don't deal with. Outdoor units need adequate tie-down/anchoring, and after any named storm with sustained winds, it's worth having a tech check refrigerant lines and electrical connections even if the unit looks fine — storm debris and flooding around the pad are common causes of delayed compressor failures. Surge protection for the outdoor unit is a cheap add-on ($150-$300) worth doing given how frequent summer lightning storms are here. Booking early in the year, before the June-through-September peak season when every HVAC company in Chatham County is slammed with emergency no-cool calls, gets you better scheduling flexibility and often better pricing for planned replacements.
Twice a year minimum — once before summer (ideally April/May) and once before the shorter heating season. Given Savannah's humidity and coastal salt exposure, coils and condensate drains foul faster here than in drier inland cities, so skipping the spring tune-up is a common cause of mid-July no-cool emergency calls.
Generally yes for a full system replacement. Permits are issued through the City of Savannah Department of Development Services (inside city limits) or Chatham County Building Safety & Regulatory Services (unincorporated areas). If your property is in the Historic District, exterior unit placement may also trigger a review — ask your contractor to confirm before install day rather than after.
This is one of the most common Savannah-specific complaints. It's usually an oversized single-stage unit that cools the air fast but shuts off before it's run long enough to pull humidity out — a classic mismatch for this climate. A proper Manual J load calculation and, in some cases, a variable-speed system or supplemental dehumidifier solves it. Ask any bidder how they're sizing the system before you sign.
Yes, if you're within a few miles of saltwater. Standard condenser coils corrode noticeably faster in salt-air exposure — sometimes failing years before the rated warranty period. Manufacturers offer coated/coastal coil options for a modest upcharge, and it's a reasonable ask for anyone quoting work near the marshes or Tybee Island.
For a historic downtown home needing new ductwork alongside the unit itself (common where original ducts were never sized for central air), budget $10,000-$18,000+, versus $4,500-$9,000 for a straightforward like-for-like swap with existing, functional ductwork. Get itemized quotes so you can see how much is equipment versus ductwork labor.
Georgia HVAC contractors need a Conditioned Air Contractor license from the Georgia State Construction Industry Licensing Board. You can look up any license number through the Georgia Secretary of State's license verification portal before hiring — it's free and takes a couple of minutes, and it's worth doing even for a contractor a neighbor recommended.
Late winter through early spring (roughly February-April), before the June-through-September no-cool emergency rush. Scheduling ahead also gives you room to get 2-3 real quotes rather than accepting whoever can show up fastest during a July heat wave, when pricing and availability both get worse.
Often, yes. Many homes in the Victorian District, Ardsley Park, and similar older neighborhoods had ductwork retrofitted decades after original construction, frequently undersized or routed through hot, unconditioned attics. Sealing and insulating existing ducts is sometimes as impactful as replacing the unit, and a contractor who inspects the ducts (not just the equipment) before quoting is usually the more thorough option.
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