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Mechanical / HVAC Permit in Salt Lake City, Utah

Required for heating, ventilation, and air conditioning installations, replacements, and ductwork modifications in Salt Lake City. Governed by the 2024 International Mechanical Code (IMC) as adopted by Utah Code § 15A-2-103, effective 2026-07-01 (superseded the 2021 edition).

Verified 2026-06-29 · Source

When you need this permit

  • Furnace or boiler installation or replacement
  • Air conditioning system installation or replacement
  • Ductwork installation or major modification
  • Evaporative cooler installation
  • Fireplace or wood-burning stove installation (may also require a gas permit)

Required documents

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Fee schedule

Base FeeSLC Consolidated Fee Schedule, Ord. 2025-34, SLC Code § 18.52.050
$57
Forced Air or Gravity Furnace / Burner (including ducts/vents) — up to 200,000 BTU/hSLC Consolidated Fee Schedule, Ord. 2025-34
$29
Forced Air or Gravity Furnace / Burner — 200,001 to 300,000 BTU/hSLC Consolidated Fee Schedule, Ord. 2025-34
$41
Forced Air or Gravity Furnace / Burner — 300,001 to 1,000,000 BTU/hSLC Consolidated Fee Schedule, Ord. 2025-34
$65
Forced Air or Gravity Furnace / Burner — over 1,000,000 BTU/hSLC Consolidated Fee Schedule, Ord. 2025-34
$65 plus $23 for each additional 500,000 BTU/h or part thereof
Floor Furnace Including VentSLC Consolidated Fee Schedule, Ord. 2025-34
$18
Evaporative Cooler — up to 6,500 CFMSLC Consolidated Fee Schedule, Ord. 2025-34
$23 each
Evaporative Cooler — more than 6,500 CFMSLC Consolidated Fee Schedule, Ord. 2025-34
$65 each
Appliance Vent (not included on an appliance permit)SLC Consolidated Fee Schedule, Ord. 2025-34
$18
Repair or Alteration of Heating/Cooling Appliance — up to $1,000 contract valueSLC Consolidated Fee Schedule, Ord. 2025-34
$41
Repair or Alteration of Heating/Cooling Appliance — over $1,000 contract valueSLC Consolidated Fee Schedule, Ord. 2025-34
$100
Air Handling Unit — up to 10,000 CFM (including ducts)SLC Consolidated Fee Schedule, Ord. 2025-34. Note: this fee does not apply to air handling units that are part of a factory-assembled cooling unit, evaporative cooler, or absorption unit for which a permit is required elsewhere in the code.
$29
Air Handling Unit — over 10,000 CFMSLC Consolidated Fee Schedule, Ord. 2025-34
$65
Re-Inspection FeeSLC Consolidated Fee Schedule, Ord. 2025-34, SLC Code § 18.20.200
$129 per occurrence

Review timeline

Plan reviewTypical estimate — confirm current times with the Salt Lake City building department
~1–10 business days

How long did your Mechanical / HVAC Permit permit actually take in Salt Lake City?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Rough-In

    Ductwork and gas piping installed, before walls closed — verify clearances and support

  2. 2

    Final

    Equipment operational, combustion air verified, gas pressure tested, thermostat functional

See the full Salt Lake City inspection guide — scheduling & re-inspection fees →

Tips

  • Like-for-like furnace and AC replacements in Salt Lake City still require a mechanical permit.
  • Salt Lake City follows the 2024 International Mechanical Code (IMC), effective July 1, 2026 (superseded the 2021 edition).
  • High-efficiency furnaces require condensate drain lines — plan routing before installation.
  • Gas line work typically requires a separate plumbing permit gas line inspection in addition to the mechanical permit for the appliance.

Frequently asked questions

Yes. Salt Lake City requires a mechanical permit for all furnace replacements, including same-model swaps. The permit fee under the Consolidated Fee Schedule (Ord. 2025-34) is $57 base plus the applicable BTU-based fee (e.g., $29 for furnaces up to 200,000 BTU/h).

Per the SLC Consolidated Fee Schedule (Ord. 2025-34): the base fee is $57. Furnaces are $29 (up to 200,000 BTU/h), $41 (200,001–300,000 BTU/h), or $65 (300,001–1,000,000 BTU/h). Evaporative coolers are $23 (up to 6,500 CFM) or $65 (over 6,500 CFM). Repairs/alterations are $41 (up to $1,000 contract) or $100 (over $1,000 contract). A re-inspection fee of $129 applies per failed inspection.

Plan review for a mechanical / hvac permit in Salt Lake City typically runs 1–10 business days. This is an estimate, not a published figure — confirm current review times with Salt Lake City Building Services at (801) 535-7968.

You'll need: Building Permit Application. Depending on your project, Salt Lake City may also ask for: Equipment Specifications; Mechanical Plan. See the required-documents checklist on this page for details on each.

Salt Lake City requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In, Final. Schedule each through Salt Lake City Building Services ((801) 535-7968).

Apply through Salt Lake City Building Services at 451 South State Street, Salt Lake City, UT 84111. Phone: (801) 535-7968, email: permits@slcgov.com. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://www.slc.gov/buildingservices/.

Salt Lake City, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — Utah Code § 15A-2-103(1)(a); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); 2021 International Residential Code (IRC) — Utah Code § 15A-2-103(1)(b); unchanged by the 7/1/2026 code cycle; Appendix AQ of the 2021 International Residential Code — Utah Code § 15A-2-103(1)(c); 2024 International Plumbing Code (IPC) — Utah Code § 15A-2-103(1)(d); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); 2024 International Mechanical Code (IMC) — Utah Code § 15A-2-103(1)(e); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); 2024 International Fuel Gas Code (IFGC) — Utah Code § 15A-2-103(1)(f); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); 2023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g); unchanged by the 7/1/2026 code cycle; 2024 International Energy Conservation Code (IECC) — Utah Code § 15A-2-103(1)(h); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); 2024 International Existing Building Code (IEBC) — Utah Code § 15A-2-103(1)(i); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); 2024 International Swimming Pool and Spa Code (ISPSC), residential provisions — Utah Code § 15A-2-103(1)(n); effective 2026-07-01, superseding the 2021 edition (in force through 2026-06-30); NOTE (verified 2026-07-16): The 2024 editions of IBC, IPC, IMC, IFGC, IECC, IEBC, and ISPSC took effect 2026-07-01 per Utah Code § 15A-2-103, superseding the 2021 editions that governed through 2026-06-30. The 2021 IRC and 2023 NEC were NOT changed by this cycle. Confirmed directly against the version of § 15A-2-103 effective 7/1/2026 (superseded 1/1/2027) at le.utah.gov; the next scheduled version (1/1/2027) carries identical code editions, so this entry is not expected to go stale before then.. Local amendments apply — see the Salt Lake City overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-06-29.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Salt Lake City building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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