Mechanical / HVAC Permit in Florence, Arizona

Florence requires a mechanical / hvac permit for: Mechanical permit required for installation, replacement, or relocation of HVAC equipment, furnaces, and ventilation systems; Governed by the 2018 IMC as adopted by the Town of Florence; Every dwelling unit and guest room must be provided with cooling capable of maintaining 80°F max at 3 ft above the floor (IMC § 309.1 Town amendment; parallels IRC § R303.10 'Required Heating and Cooling'); Applied for on the combined MPEW / Inspection Permit Application (Rev 9.11.25), selecting 'Mechanical' as Permit Type; Guard requirement (IMC § 304.11) does not apply to 1- and 2-family dwellings per Town amendment. If your project isn't listed, confirm with Town of Florence Community Development Department — Building Safety Division at 520-868-7575 before starting work.

In Florence, the published Utility Permit — Electrical, Mechanical, HVAC, Plumbing, Gas, etc. (Residential) is: $75.00. Additional published fees: Utility Permit — Electrical, Mechanical, HVAC, Plumbing, Gas, etc. (Commercial) — $300.00. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Mechanical/HVAC permits fall under the 'Residential' category on the Town of Florence Submittal Review Timelines document: a 10-business-day Administrative Review plus 20 business days for first/second formal review (15 for any subsequent review).

You'll need: MPEW / Inspection Permit Application; Owner Authorization Form / Owner Builder Affidavit. See the required-documents checklist on this page for details on each.

Florence requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In, Final. Schedule each through Town of Florence Community Development Department — Building Safety Division (520-868-7575).

Apply through Town of Florence Community Development Department — Building Safety Division at 224 W 20th Street, P.O. Box 2670, Florence, AZ 85132. Phone: 520-868-7575, email: TOFPermits@FlorenceAZ.gov. Office hours: Monday - Thursday, 7:00 a.m. - 5:00 p.m.; closed Fridays (Town of Florence transitioned to a four-day workweek effective January 5, 2026). Inspection Line: 520-868-7601. Residential submittals go through the online Residential Permitting Portal (SmartGov, twn-florence-az.smartgovcommunity.com); commercial submittals are emailed to TOFPermits@FlorenceAZ.gov; in-person submittals accepted (no rolled plans; 1-sided 8.5x11 paper only). Building Official: Kevin Wall (520-868-7556, kevin.wall@florenceaz.gov). Permit Specialist: Susan Cisco (520-868-7665, susan.cisco@florenceaz.gov). Plans Examiner: Hillarey Luther (520-868-7540). Community Development Director: Albert 'AJ' Monroe (520-868-7542).. Official information: https://www.florenceaz.gov/community-development/.

Florence, Arizona has adopted: Arizona has NO statewide mandatory building code floor for general construction — code adoption is a per-city/county authority under state enabling statutes (A.R.S. Title 9). The Town of Florence Town Council adopted its own Technical Codes by reference (Town of Florence Code of Ordinances § 150.300, Exhibit A) and independently administers permitting through its Community Development Department / Building Safety Division; it does not defer to Pinal County for permitting within town limits. Source: Town of Florence Code of Ordinances, Technical Codes, Exhibit A (Adopted Building Codes Amendments PDF).; 2018 International Building Code (IBC), including Appendices B, C, and I, adopted by reference (§ 150.300(A)(1)), with Town of Florence amendments. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A), effective per Town Council adoption (document created/effective 2022, current as of this review — no 2024 IBC/ICC-cycle adoption found in effect as of 2026-07-06).; 2018 International Residential Code (IRC), including Appendices G, H, and P (with Appendices E, H, J, P, and Q separately confirmed adopted at § R102.5 amendment), adopted by reference (§ 150.300(A)(2)), with Town of Florence amendments including amended Climatic and Geographic Design Criteria and a mandatory-cooling requirement. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; 2018 International Mechanical Code (IMC), adopted by reference (§ 150.300(A)(3)), with Town of Florence amendments (guards exception and mandatory cooling-system amendment for 1- and 2-family dwellings). Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; International Plumbing Code adopted by reference (§ 150.300(A)(4)); the Town's own codified adoption list states '2018 Edition' at the top-level adoption clause, but the itemized amendment section of the same official document (item 10) separately lists a '2012 Edition' with two specific section amendments (§ 410.3 Substitution; § 903.1 Roof extension) — this is an inconsistency within the Town's own published Exhibit A document, reproduced here verbatim rather than resolved by assumption. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A), §150.300(A)(4) and item 10.; 2018 International Fuel Gas Code (IFGC), adopted by reference (§ 150.300(A)(5)), with Town of Florence amendments (LPG appliance location restriction, minimum burial depth, test-pressure measurement procedure). Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; 2018 International Energy Conservation Code (IECC), adopted by reference (§ 150.300(A)(6)); the Town amended the code by deleting the entire Residential Section and Chapter 11 Energy Efficiency of the 2018 IRC. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; 2018 International Existing Building Code (IEBC), adopted by reference (§ 150.300(A)(7)) in its entirety without revision. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; 2018 International Swimming Pool and Spa Code, adopted by reference (§ 150.300(A)(8)) in its entirety without revision. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; 2018 International Fire Code (IFC), including Appendices B, C, D, E, F, G, and I, adopted by reference (§ 150.300(A)(9)) as the Town's uniform fire code, with extensive Town of Florence amendments (definitions, fire apparatus access roads, fire flow/water supply, alarm/suppression system requirements, open burning). Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; International Property Maintenance Code, 2018 Edition, adopted by reference (§ 150.300(A)(10)) in its entirety without revision. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; National Electrical Code (NEC) — the Town's top-level codified adoption clause (§ 150.300(A)(11)) states '2017 Edition,' but the itemized amendment section of the same official document (item 17) separately states 'National Electrical Code, 2018 Edition' when adding a new performance-testing subsection (Article 230.11) for 1,000-amp-or-larger service equipment. This is an inconsistency within the Town's own published document, reproduced here verbatim rather than resolved by assumption; both editions are cited directly from the Town's Adopted Building Codes Amendments (Exhibit A) as published.; ICC A117.1 Accessible and Usable Buildings and Facilities Code, 2010 Edition Standards, adopted by reference (§ 150.300(A)(12)) in its entirety without revision. Source: Town of Florence Adopted Building Codes Amendments (Exhibit A).; Manufactured homes and park models are regulated directly by the State of Arizona (Office of Manufactured Housing, A.R.S. § 41-4001 et seq.) for construction/installation standards; the Town issues a separate Manufactured Home Set permit ($450, per the most current Office of Manufactured Housing Intergovernmental Agreement) and a Park Model Placement permit ($450) for on-site placement. Source: Town of Florence Fee Schedule (Rev. 01/15/2025), Section 2.. Local amendments apply — see the Florence overview page for the full list.

Yes. The Town of Florence amended both IRC § R303.10 and IMC § 309.1 to require every dwelling unit and guest room to have cooling capable of maintaining 80°F or below at 3 feet above the floor.