CostInMyCity

Lexington, KY / HVAC replacement

HVAC replacement cost in Lexington, KY

Average $7,500; common $5,000–$12,500; up to $22,000 with new ductwork. Central AC $3,900–$7,900; gas furnace $3,800–$10,000; heat pump $4,200–$7,600; labor about $1,500.

Labor for HVAC replacement in Lexington, KY is indexed to the BLS construction-and-extraction occupations mean hourly wage for Lexington-Fayette, KY of $27.85 (May 2025), applied to the 30% labor share.

Lexington-Fayette Urban County Government Division of Building Inspection is the issuing office. The typical permit fee recorded from Lexington-Fayette Urban County Code Sec. 5-29 / 5-32 and Division of Building Inspection fee schedule, retrieved 2026-09-01, is $105. Fee model: flat.

The national typical for this job is $7,500. Materials stay at the national figure while labor is wage-indexed for Lexington, KY.

Typical all-in

$7,350

Job cost plus the recorded local permit fee at this size.

Low
$4,935
Typical
$7,350
High
$21,357

Breakdown

Labor (allocated)$2,174
Materials (allocated)$5,071
Job subtotal$7,245
Permit$105
All-in typical$7,350

Labor is adjusted for construction wages in this metro. Materials stay at the national figure. This is an estimate, not a contractor quote.

Permit fee

Fee model
Flat fee
Typical fee
$105
Range
$105
Retrieved
2026-09-01

Typical 3-ton (36,000 BTU) like-for-like split = $105.00 first system. Low/high same (one system).

Lexington-Fayette Sec. 5-32: 1-2 family HVAC installation/replacement $105 for the first system plus $50 each additional system. Typical 3-ton like-for-like split is one system.

Lexington-Fayette Urban County Code Sec. 5-29 / 5-32 and Division of Building Inspection fee schedule

Citations

  1. How Much Does HVAC Replacement Cost? [2026 Data] Retrieved Aug 12, 2026. Average $7,500; $5,000–$22,000; labor about $1,500; national permit range $50–$500 (not city-specific).
  2. Lexington-Fayette Urban County Code Sec. 5-29 / 5-32 and Division of Building Inspection fee schedule Retrieved Aug 31, 2026. Lexington-Fayette Sec. 5-32: 1-2 family HVAC installation/replacement $105 for the first system plus $50 each additional system. Typical 3-ton like-for-like split is one system.
  3. BLS OEWS construction wages — Lexington-Fayette, KY BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to laborShare only. Not a city-specific bid survey.

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