CostInMyCity

Mobile, AL / HVAC replacement

HVAC replacement cost in Mobile, AL

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 Mobile, AL is indexed to the BLS construction-and-extraction occupations mean hourly wage for Mobile, AL of $25.09 (May 2025), applied to the 30% labor share.

BLS OEWS construction and extraction occupations mean hourly wage. Not Huntsville and not Birmingham.

City of Mobile Build Mobile / Permitting is the issuing office. The typical permit fee recorded from City of Mobile Building Codes Permit Fee Schedule Ordinance (adopted November 8, 2022, still posted), retrieved 2026-09-01, is $31. Fee model: flat.

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

Typical all-in

$7,081

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

Low
$4,731
Typical
$7,081
High
$20,741

Breakdown

Labor (allocated)$2,115
Materials (allocated)$4,935
Job subtotal$7,050
Permit$31
All-in typical$7,081

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
$31
Range
$31 – $61
Retrieved
2026-09-01
  • Replacement of heating and/or air conditioning equipment in single-family residence — $30Included at typical.
  • Adding or changing ductwork, residential — $30High path only.
  • Permit issuance — $1Included.

Typical 3-ton (36,000 BTU) like-for-like split = $30.00 + $1.00 = $31.00. Low same. High replacement + ductwork $30 = $61.00.

City of Mobile. Replacement of heating and/or AC equipment in a single-family residence is $30 plus $1 issuance. High adds the residential ductwork line $30. New/addition HVAC in SFR is $60 and is not used for like-for-like replacement.

City of Mobile Building Codes Permit Fee Schedule Ordinance (adopted November 8, 2022, still posted)

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. City of Mobile Building Codes Permit Fee Schedule Ordinance (adopted November 8, 2022, still posted) Retrieved Aug 31, 2026. City of Mobile. Replacement of heating and/or AC equipment in a single-family residence is $30 plus $1 issuance. High adds the residential ductwork line $30. New/addition HVAC in SFR is $60 and is not used for like-for-like replacement.
  3. BLS OEWS construction wages — Mobile, AL 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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