CostInMyCity

St. Petersburg, FL / HVAC replacement

HVAC replacement cost in St. Petersburg, FL

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 St. Petersburg, FL is indexed to the BLS construction-and-extraction occupations mean hourly wage for Tampa-St. Petersburg-Clearwater, FL of $26.69 (May 2025), applied to the 30% labor share.

Reuses already-cited Tampa-St. Petersburg-Clearwater May 2025 construction mean $26.69 (same OEWS metro as tampa-fl).

City of St. Petersburg Building and Permitting (Construction Services and Permitting) is the issuing office. The typical permit fee recorded from City of St. Petersburg Building Department Permitting Fee Schedule (revised 10/1/2017, still posted), retrieved 2026-09-01, is $65. Fee model: flat.

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

Typical all-in

$7,228

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

Low
$4,840
Typical
$7,228
High
$21,075

Breakdown

Labor (allocated)$2,149
Materials (allocated)$5,014
Job subtotal$7,163
Permit$65
All-in typical$7,228

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
$65
Range
$65
Retrieved
2026-09-01
  • Other - Mechanical with no plan review and one inspection — $65Included. Like-for-like 3-ton split path.
  • Florida surcharge F.S. 553.721 and 468.631Printed on the schedule; percent not dollarized on the flyer and not added.

Typical 3-ton (36,000 BTU) like-for-like split = $65.00. Low/high same.

City of St. Petersburg. Like-for-like HVAC change-out uses Other-Mechanical with no plan review and one inspection $65. New-duct work would be valuation-based and is not assumed. HB 803 does not exempt mechanical.

City of St. Petersburg Building Department Permitting Fee Schedule (revised 10/1/2017, 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 St. Petersburg Building Department Permitting Fee Schedule (revised 10/1/2017, still posted) Retrieved Aug 31, 2026. City of St. Petersburg. Like-for-like HVAC change-out uses Other-Mechanical with no plan review and one inspection $65. New-duct work would be valuation-based and is not assumed. HB 803 does not exempt mechanical.
  3. BLS OEWS construction wages — Tampa-St. Petersburg-Clearwater, FL 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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