CostInMyCity

Boise, ID / HVAC replacement

HVAC replacement cost in Boise, ID

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 Boise, ID is indexed to the BLS construction-and-extraction occupations mean hourly wage for Boise City, ID of $28.58 (May 2025), applied to the 30% labor share.

City of Boise Planning and Development Services, Building Division is the issuing office. The typical permit fee recorded from Boise City Mechanical Code and Fuel Gas Code Fee Schedule Tables B(2) and B(3) (Oct 2021, still posted), retrieved 2026-09-01, is $56. Fee model: flat.

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

Typical all-in

$7,354

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

Low
$4,920
Typical
$7,354
High
$21,462

Breakdown

Labor (allocated)$2,189
Materials (allocated)$5,109
Job subtotal$7,298
Permit$56
All-in typical$7,354

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
$56
Range
$55 – $56
Retrieved
2026-09-01
  • Residential mechanical base (Table B(2)) — $32Included in typical. Table B(2) $32 base for residential alteration/repair/fixture replacement involving multiple fixtures.
  • Furnace appliance (Table B(2)) — $12Included in typical.
  • Air conditioner appliance (Table B(2)) — $12Included in typical. Line also lists $12 for air conditioning not included with furnace installation.

Typical 3-ton (36,000 BTU) like-for-like split as two appliances under Table B(2): $32 base + $12 furnace + $12 AC = $56.00. Low = Table B(3) single fixture/appliance (heat pump or mini-split) $55.00. High = same two-appliance B(2) $56.00. Valuation unused.

City of Boise, not Meridian/Nampa and not Ada County. Oct 2021 mechanical/fuel-gas PDF is still the posted mechanical schedule on the PDS fees page. Table B(1) square-footage rates are for new SFR/duplex and are not used. Commercial Table C is not used.

Boise City Mechanical Code and Fuel Gas Code Fee Schedule Tables B(2) and B(3) (Oct 2021, 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. Boise City Mechanical Code and Fuel Gas Code Fee Schedule Tables B(2) and B(3) (Oct 2021, still posted) Retrieved Aug 31, 2026. City of Boise, not Meridian/Nampa and not Ada County. Oct 2021 mechanical/fuel-gas PDF is still the posted mechanical schedule on the PDS fees page. Table B(1) square-footage rates are for new SFR/duplex and are not used. Commercial Table C is not used.
  3. BLS OEWS construction wages — Boise City, ID 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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