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Mechanical / HVAC Permit in Chandler, Arizona

Mechanical and HVAC work in Chandler is governed by the 2024 International Mechanical Code (IMC) and 2024 International Fuel Gas Code (IFGC) with Chandler amendments (Ordinance No. 5108). Permits are required for new mechanical systems, additions to, or modifications of existing mechanical systems. Like-for-like replacement of furnaces and evaporative coolers is exempt from permit. Gas permits require a riser schematic showing all gas line runs, BTU ratings of all appliances, pipe sizes and types, and burial depth for underground lines.

Verified 2026-07-16 · Source

When you need this permit

  • Mechanical/HVAC work must comply with the 2024 IMC and 2024 IFGC with Chandler amendments (Ordinance No. 5108, City Code Chapter 29, Articles V and VII)
  • Apply through the Citizen Access portal or walk-in to 215 E. Buffalo St.
  • Like-for-like replacement of furnaces and evaporative coolers does NOT require a permit (Homeowner's Building Permit Manual)
  • For gas work: provide a gas riser schematic showing the length of all sections of gas line starting at the meter, all existing and proposed appliances, total BTU rating of each appliance, line sizes, line types, and trench/burial depth (pipe must be 12 inches below grade minimum)
  • Gas system pressure test: not less than 1.5 times maximum working pressure but no less than 3 psig; test duration not less than 10 minutes; test conducted through the open valve and flex line; flex line must be capped at the appliance connection
  • PE (polyethylene) plastic pipe requires minimum 8-, 12-, or 18-inch-deep trench and a continuous insulated 18-gauge copper tracer wire; PE not allowed beneath any building slab or structure; galvanized fittings or piping prohibited in underground gas systems

Required documents

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Fee schedule

Miscellaneous minor residential work — flat fee (minor gas outlets combined with minor electrical/plumbing)City of Chandler Fee Schedule, Section 4.6.4(q): 'Miscellaneous minor residential work (1–6 gas outlets, 1–2 branch electrical circuits, 1–6 plumbing openings, etc.) — $100.00.' Applies to minor scope only.
$100.00
Mechanical/HVAC permit — valuation-based (larger projects)For mechanical/HVAC work not covered by the miscellaneous flat fee, fees follow the valuation-based table (City of Chandler Fee Schedule §4.6.1, Res. 4703).
Per valuation-based fee table (§4.6.1); plan review 65% of permit fee

Review timeline

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

How long did your Mechanical / HVAC Permit permit actually take in Chandler?

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

Inspection process

  1. 1

    Rough heating and ventilation (groundwork)

    Ductwork installed but not covered (groundwork inspection).

  2. 2

    Rough heating and ventilation

    All rough-in mechanical work installed but not covered.

  3. 3

    Final inspection

    All mechanical/HVAC work completed per approved plans and 2024 IMC/IFGC with Chandler amendments.

See the full Chandler inspection guide — scheduling & re-inspection fees →

Tips

  • Like-for-like replacement of furnaces and evaporative coolers does NOT require a permit in Chandler.
  • Chandler adopted the 2024 IMC and 2024 IFGC (not the 2023 editions) with local amendments — verify work against the 2024 editions.
  • Underground gas piping must be 12 inches minimum below grade; galvanized fittings or piping are prohibited underground.
  • Gas system pressure test must be at least 3 psig for minimum 10 minutes before inspection.

Frequently asked questions

Like-for-like replacement of furnaces and evaporative coolers does NOT require a permit per the Homeowner's Building Permit Manual. New HVAC systems, additions to, or modifications of existing mechanical systems generally DO require a permit and must comply with the 2024 IMC with Chandler amendments. Source: Chandler Homeowner's Building Permit Manual (Rev. 4/09/26), 'Work Exempt from Permit' section, item 10.

In Chandler, the published Miscellaneous minor residential work — flat fee (minor gas outlets combined with minor electrical/plumbing) is: $100.00. Additional published fees: Mechanical/HVAC permit — valuation-based (larger projects) — Per valuation-based fee table (§4.6.1); plan review 65% of permit fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a mechanical / hvac permit in Chandler typically runs 1–10 business days. This is an estimate, not a published figure — confirm current review times with City of Chandler Development Services Department — Building Safety at 480-782-3000.

You'll need: Building Permit Application. Depending on your project, Chandler may also ask for: Gas Riser Schematic. See the required-documents checklist on this page for details on each.

Chandler requires 3 inspection(s) for a mechanical / hvac permit, in order: Rough heating and ventilation (groundwork), Rough heating and ventilation, Final inspection. Schedule each through City of Chandler Development Services Department — Building Safety (480-782-3000).

Apply through City of Chandler Development Services Department — Building Safety at 215 E. Buffalo St., Chandler, AZ 85225. Phone: 480-782-3000, email: prod@chandleraz.gov. Office hours: Monday – Friday 8:00 AM – 5:00 PM, except holidays; Walk-in plan review: Monday – Friday 8:00 AM – 4:30 PM. Official information: https://www.chandleraz.gov/government/departments/development-services/building-safety-plan-review-permits-and-inspections.

Chandler, Arizona has adopted: 2024 International Building Code (IBC) — adopted by Chandler City Council, Ordinance No. 5108; effective for plans submitted on or after July 1, 2025; Chandler amendments published in City Code Chapter 29, Article II (Ordinance No. 5108); 2024 International Residential Code (IRC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article VI); effective July 1, 2025; 2023 National Electrical Code (NEC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article III); effective July 1, 2025; Chandler's 2024 code set retains the 2023 NEC edition (not the 2024 NEC); 2024 International Plumbing Code (IPC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article IV); effective July 1, 2025; 2024 International Mechanical Code (IMC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article V); effective July 1, 2025; 2024 International Fuel Gas Code (IFGC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article VII); effective July 1, 2025; 2024 International Energy Conservation Code (IECC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article VIII); effective July 1, 2025; 2024 International Existing Building Code (IEBC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article IX); effective July 1, 2025; 2024 International Swimming Pool and Spa Code (ISPSC) — adopted by Ordinance No. 5108 (City Code Chapter 29, Article X); effective July 1, 2025; 2024 International Fire Code (IFC) — adopted by Ordinance No. 5108 (City Code Chapter 28); effective July 1, 2025. Local amendments apply — see the Chandler overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-16.

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 Chandler building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Mechanical / HVAC Permit in other cities

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