Mechanical / HVAC Permit in Salt Lake City, Utah
Required for heating, ventilation, and air conditioning installations, replacements, and ductwork modifications in Salt Lake City.
Verified 2026-06-27 · 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
Required documents
- Req
Mechanical Plan
Equipment location, duct layout, and sizing calculations
- Req
Manual J Load Calculation
Heating/cooling load calculation for new systems
- Req
Contractor License
Valid Utah HVAC contractor license (DOPL)
- Opt
Equipment Specifications
Manufacturer data sheets for furnace, AC, or heat pump
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Base Fee | $57 | — |
| Furnace (up to 200,000 BTU) | $29 | — |
| Furnace (200,001-300,000 BTU) | $41 | — |
| Furnace (300,001-1,000,000 BTU) | $65 | — |
| Furnace (over 1,000,000 BTU) | $65 + $23/each additional 500,000 BTU | — |
| Floor Furnace with Vent | $18 | — |
| Evaporative Cooler (up to 6,500 CFM) | $23 | — |
| Evaporative Cooler (over 6,500 CFM) | $65 | — |
| Appliance Vent (not on appliance permit) | $18 | — |
| Repair/Alteration (up to $1,000 contract) | $41 | — |
| Repair/Alteration (over $1,000 contract) | $100 | — |
| State Surcharge | 1% of permit fee | — |
Review timeline
~3–7 business days
Typical estimate — confirm current times with the Salt Lake City building department
Inspection process
- 1
Rough-In
Ductwork and gas piping installed, before walls closed — verify clearances and support
- 2
Final
Equipment operational, combustion air verified, gas pressure tested, thermostat functional
Tips
- Like-for-like furnace and AC replacements in Salt Lake City still require a mechanical permit.
- Manual J calculations are required for all new HVAC systems — oversized systems will be flagged.
- High-efficiency furnaces require condensate drain lines — plan routing before installation.
- Salt Lake City requires CO detectors on every level when gas appliances are installed.
Frequently asked questions
- Do I need a permit to replace my furnace in Salt Lake City?
- Yes. Salt Lake City requires a mechanical permit for all furnace replacements, even same-model swaps. The permit ensures proper venting, gas connections, and combustion air requirements are met.
- Do I need a Manual J calculation in Salt Lake City?
- Yes, for new HVAC installations. Salt Lake City follows the International Mechanical Code which requires a Manual J load calculation to properly size heating and cooling equipment.
Sources & verification
Key facts verified against official sources. Last reviewed 2026-06-27.
- Salt Lake City Building Services — official building department
- Salt Lake City Consolidated Fee Schedule (Ord. 2025-34)
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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