CostInMyCity

Nashville, TN / HVAC replacement

HVAC replacement cost in Nashville, TN

Typical cost: $7,373 (range $4,940 to $21,594)

Typical all-in

$7,373

Job cost plus the local permit fee at this size.

Low
$4,940
Typical
$7,373
High
$21,594

Breakdown

Labor (allocated)$2,189
Materials (allocated)$5,109
Job subtotal$7,298
Permit$75
All-in typical$7,373

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

Average $7,500; common $5,000 to $12,500; up to $22,000 with new ductwork.

A typical HVAC replacement in Nashville, TN is about $7,373, including a permit fee of $75.

What we assumed

The official typical permit fee is $75. Full detail is in the calculation note on this page.

Typical job we price for HVAC replacement in Nashville, TN

Typical scope
3-ton (36,000 BTU) like-for-like split system
Low scope
2-ton / 60 kBTU furnace or the published sheet-metal / equipment floor
High scope
5-ton / 120 kBTU or extra equipment lines on the same table
Project value for permit formula (typical)
$7,500
Project value range for permit formula
$5,000 to $16,000

An 80,000 BTU mid-efficiency gas furnace is the documented typical 3-ton companion when a furnace line needs BTU.

2026 average $7,500; high toward new-duct jobs

Typical job sizes and assumed values from our published sources. Assumed values feed the permit formula. They are not the city's assessed value.

Local context

City facts

County
Davidson County
Population
721,074
Estimate year
2025
Source
U.S. Census Bureau Vintage 2025 city estimates (July 1, 2025); Nashville-Davidson metropolitan government

Census and county figures. These are estimates, not a permit requirement.

Why HVAC replacement costs differ in Nashville, TN

Labor for HVAC replacement in Nashville, TN is adjusted for local construction wages. Materials stay at the national figure.

The official typical permit fee for HVAC replacement in Nashville, TN is $75 from Codes and Building Safety. Peer listed typicals in this cluster include Charlotte, NC $92.55, Seattle, WA $126.73, Denver, CO $83, Atlanta, GA $175, Austin, TX $74.05, Phoenix, AZ $558, Tucson, AZ $218.54, Portland, OR $187.04, Raleigh, NC $124, Tacoma, WA $221.29, St. Louis, MO $65. We only use fees extracted from the official schedule. Full detail is in the calculation note on this page.

Building and trade permits for Nashville, TN run through Department of Codes and Building Safety under the official 2025 fee schedule. 1-2 family residential building permit is $5.00 per $1,000 of valuation (16.28.110 A.1), plus $25 zoning examination and 10% Codes Tech Fee on the valuation fee.

Uses the city fee schedule and BLS wage data. If a fee is not published, that line stays blank.

Cost details

Cost by size

SizeAll-in typicalPermit
1 system (typical)$7,373$75
2 systems$14,670$75
3 systems$21,968$75

All-in at this size, adjusted for local wages. The permit is the city fee when the schedule lists one.

Labor vs materials

Labor share
30%
Materials share
70%

Published ranges list about $1,500 labor vs about $4,750 for the average unit – equipment-heavy. We split labor and materials 30/70 to adjust labor for local wages.

Our labor and materials split for this estimate. It is for the local wage adjustment, not a surveyed contractor split.

What moves the price

What changes the total

  • Cost scales with the number of systems, not a separate tonnage price.
  • Labor for HVAC replacement in Nashville, TN is adjusted for local construction wages.
  • The permit fee on the typical job is $75. The permit section on this page has the schedule detail.

Metro wage index

Metro
Nashville-Davidson--Murfreesboro--Franklin, TN
Metro construction mean hourly
$28.56/hr
Metro OEWS vintage
May 2025
National construction mean hourly
$31.42/hr
National OEWS vintage
May 2025
Labor wage multiplier
0.909× labor
Method
BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to the labor share only. Not a city-specific bid survey.

For this metro the whole job is 0.973 times the national typical, because only the labor portion is adjusted for local wages.

Compare HVAC replacement across metros

All-in at the typical job size, adjusted for local wages. The permit is the city fee when the schedule lists one.
CityAll-in typicalPermitOpen
Charlotte, NC$7,316$92.55Open
Seattle, WA$8,392$126.73Open
Denver, CO$7,695$83Open
Nashville, TN$7,373$75This page
Atlanta, GA$7,450$175Open
Austin, TX$7,282$74.05Open
Phoenix, AZ$7,916$558Open
Tucson, AZ$7,382$218.54Open
Portland, OR$8,257$187.04Open
Raleigh, NC$7,354$124Open
Tacoma, WA$8,486$221.29Open
St. Louis, MO$7,850$65Open

Other home projects in Nashville, TN

All-in at the typical job size, adjusted for local wages. The permit is the city fee when the schedule lists one.
JobAll-in typicalPermitOpen
Roof replacement$9,218$91Open
HVAC replacement$7,373$75This page
Deck$13,843$91Open
Kitchen remodel$29,603$292.50Open

Questions about this estimate

How much does HVAC replacement cost in Nashville, TN?
Typical all-in is about $7,373. The official Codes and Building Safety permit fee of $75 is included in the all-in.
Is a permit required for HVAC replacement in Nashville, TN?
Yes. Department of Codes and Building Safety requires a permit for a typical HVAC replacement in Nashville, TN. The typical listed fee is $75. Like-for-like HVAC is often mechanical-only: Metro Nashville Codes 16.16.400 sets the official $75 gas/mechanical minimum used for low and typical.
What is included in this HVAC replacement estimate for Nashville, TN?
The estimate is labor adjusted for local wages in Nashville, TN, plus materials at the national figure, at the typical size in the table above. The official typical permit fee of $75 is included in the all-in typical.
Why might the Nashville permit fee differ from this typical figure?
The official Nashville, TN fee comes from Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF (flat). Like-for-like HVAC is often mechanical-only, so the fee you are most likely to pay is the $75 gas/mechanical minimum. Site conditions, extras not in the typical row, and schedule updates can change what you actually pay. Verify with Department of Codes and Building Safety.
How is the typical permit fee calculated for HVAC replacement in Nashville, TN?
The official typical permit fee is $75. Full detail is in the calculation note on this page.
What project value is this HVAC replacement permit fee based on in Nashville, TN?
Listed typical project value $7,500.
Are electrical, plumbing, or other trade permits included in this HVAC replacement typical for Nashville, TN?
Gas/mechanical permit (minimum): Included at low and typical ($75) and as the mechanical component of high ($75 of $188). Metro Nashville Codes 16.16.400 sets the $75 minimum fee for each gas/mechanical permit. Electrical permit (separate trade, if required): Not included in low, typical, or high totals. A separate electrical permit may apply; no electrical amount was listed as a fee line in this entry, so this alternate is not listed. Electrical permit (separate trade, if required) amounts are not listed on this row, so they are not added into the typical.

Permit in Nashville

Fee schedule retrieved Aug 13, 2026

Department of Codes and Building Safety lists a typical permit fee of $75 for this HVAC replacement in Nashville, TN (range $75 to $188). Source: Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF.

Like-for-like HVAC is often mechanical-only: Metro Nashville Codes 16.16.400 sets the official $75 gas/mechanical minimum used for low and typical. If a building permit is also required, the high band is $188 = $75 mechanical + $113 building valuation stack ($5/$1,000 + 10% codes tech + $25 zoning under 16.28.110). The on-file $69 building-path low example is not included in typical $75. A separate electrical permit may apply, but no electrical amount is listed and it is not included in totals.

Fee model

Fee model
Flat fee

Like-for-like HVAC is often mechanical-only, so the fee you are most likely to pay is the $75 gas/mechanical minimum. Metro Nashville Codes 16.16.400 sets that $75 minimum for each gas/mechanical permit, and that minimum is what this row records for both the low and the typical: the low fee is $75 and the typical fee is $75. The fee model is flat, and no assumed valuation is listed, so the typical total stays that $75 mechanical permit. The same $75 is the mechanical piece inside the high band. It is included in the $188; it is not added again on top of $188. The building permit path kicks in when a building permit is also required. Metro Nashville Codes 16.28.110 records the building valuation stack at $113. That stack is $5 per $1,000, plus 10% codes tech, plus a $25 zoning examination. The high band adds that stack to the mechanical minimum: $75 + $113 = $188, which is the high fee of $188. The $188 total applies when both the gas/mechanical permit and the building permit are required. If the job stays mechanical-only, the official total remains $75. What stays out of those figures: the on-file $69 building-path low example is an alternate. It is the amount on the building valuation path line, and it is not included in the $75 low or the $75 typical. It is not the $113 stack in the $188 high. A separate electrical permit may apply, but no electrical amount is listed, so electrical is not in the low, typical, or high. Confirm the path with Metro Codes before you file. The schedule on this row is the Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF, retrieved 2026-08-13. Ask whether your replacement is mechanical-only at the official $75, or whether a building permit is also required so the official total is $75 + $113 = $188. Leave the $69 alternate out of both figures, and do not add an electrical charge; no electrical amount is listed on this row.

Official permit schedule figures. Check the city's calculator before you apply.

Fee schedule

Schedule year
2025
Official schedule
Official fee schedule
Cited source
Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF
Retrieved
Aug 13, 2026
Department
Department of Codes and Building Safety

City permit office figures. Confirm current fees with Department of Codes and Building Safety before you apply.

Portal

Department
Department of Codes and Building Safety

City permit office figures. Confirm current requirements with Department of Codes and Building Safety before you apply.

Line items

Figures come from the city fee schedule. A blank line is not published as a dollar amount.
Line itemFee
Gas/mechanical permit (minimum)$75
Building valuation path (if required)$69
Electrical permit (separate trade, if required)Blank

Process

Does a typical HVAC replacement in Nashville, TN need a permit?
A typical HVAC replacement in Nashville, TN is listed as requiring a permit. Like-for-like HVAC is often mechanical-only: Metro Nashville Codes 16.16.400 sets the official $75 gas/mechanical minimum used for low and typical.
Who issues the permit in Nashville, TN, and where do I apply?
Department of Codes and Building Safety issues permits for HVAC replacement in Nashville, TN. Apply at https://www.nashville.gov/departments/codes/construction-and-permits.
Are any permit exemptions listed for HVAC replacement in Nashville, TN?
Plan-review fee is exempt for one- and two-family dwellings.
What extra fees or surcharges are listed for HVAC replacement in Nashville, TN?
The official permit lists these extra line items for HVAC replacement in Nashville, TN: Gas/mechanical permit (minimum): $75; Building valuation path (if required): $69; Electrical permit (separate trade, if required): not published in the fee schedule.

Schedule FAQ

Which official schedule is this HVAC replacement fee based on in Nashville, TN?
The official typical for HVAC replacement in Nashville, TN cites Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF (retrieved Aug 13, 2026). Fee model: flat.
What local fee-schedule notes are on file for HVAC replacement in Nashville, TN?
1-2 family residential building permit is $5.00 per $1,000 of valuation (16.28.110 A.1), plus $25 zoning examination and 10% Codes Tech Fee on the valuation fee. Plan-review fee is exempt for one- and two-family dwellings.
Why does the HVAC replacement permit fee in Nashville, TN show a low-to-high range?
Listed permit fees for HVAC replacement in Nashville, TN span $75 to $188, with a typical of $75. Like-for-like HVAC is often mechanical-only, so the fee you are most likely to pay is the $75 gas/mechanical minimum.
What alternate permit fees are listed if the typical HVAC replacement path in Nashville, TN does not apply?
The typical path for HVAC replacement in Nashville, TN does not include these listed alternate-path line items: Building valuation path (if required): $69 (Alternate building-permit path low example $69; not included in low or typical ($75 mechanical-only)). Confirm with Department of Codes and Building Safety if your job falls outside the typical path.

Citations

  1. How Much Does HVAC Replacement Cost? [2026 Data] Retrieved Aug 13, 2026. Average $7,500; $5,000–$22,000; labor about $1,500; national permit range $50–$500 (not city-specific).
  2. Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF Retrieved Aug 13, 2026.
  3. BLS OEWS construction wages – Nashville-Davidson--Murfreesboro--Franklin, TN BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to the labor share only. Not a city-specific bid survey.

Cite this page

Fee schedule retrieved Aug 13, 2026

CostInMyCity. "HVAC replacement cost in Nashville, TN." https://costinmycity.com/cost/hvac-replacement/nashville-tn/. Fee schedule retrieved Aug 13, 2026. Source: Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF.

Metro Nashville Codes Fee Schedule (16.28.110 / 16.16.400), Dec 2025 PDF

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