Mechanical / HVAC Permit in Casa Grande, Arizona

Casa Grande 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 City of Casa Grande; New and replacement HVAC must be sized per ACCA Manual J & S: gas furnaces and boilers minimum 80% AFUE; air conditioners and heat pumps minimum 14 SEER; Duct sizing/insulation per ACCA Manual D: R-8 within attics or exterior of building, R-6 within other portions of the building; Attic/crawl space venting requires 1 sq ft of vent per 150 sq ft of space served; Apply at the Development Center, 510 E. Florence Blvd.. If your project isn't listed, confirm with City of Casa Grande Planning & Development Department — Development Center (Building Division) at 520-421-8630 before starting work.

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

Casa Grande's published plan-review target for a mechanical / hvac permit is 2–24 business days.

You'll need: Building/Mechanical Permit Application; ACCA Manual J & S Load Calculations. See the required-documents checklist on this page for details on each.

Casa Grande requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In, Final. Schedule each through City of Casa Grande Planning & Development Department — Development Center (Building Division) (520-421-8630).

Apply through City of Casa Grande Planning & Development Department — Development Center (Building Division) at 510 E. Florence Boulevard, Casa Grande, AZ 85122. Phone: 520-421-8630, email: cgplanning@casagrandeaz.gov. Office hours: Monday - Friday, 7:30 a.m. - 5 p.m. The Development Center is a 'one-stop shop' for building, engineering, fire, and planning plan review/permits/inspections. Building inspections are scheduled online through the WebPermits portal (rogue.casagrandeaz.gov/WebPermits); the City does not offer same-day inspections unless the request is received by 11:59 p.m. the prior business day, and inspectors run routes between 6 a.m. and 3:30 p.m.. Official information: https://casagrandeaz.gov/231/Building.

Casa Grande, 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 City of Casa Grande runs its own Planning & Development Department / Development Center and independently adopts and administers its own construction codes under Title 15 (Buildings and Construction) of the Casa Grande Code of Ordinances; it does not defer permitting to Pinal County. Source: City of Casa Grande Building page (casagrandeaz.gov/231/Building) and Casa Grande Code of Ordinances Title 15.; 2018 International Building Code (IBC), adopted by reference with City of Casa Grande amendments (Casa Grande Code of Ordinances § 15.08.010), made a public record by Resolution No. 5170. Source: City of Casa Grande Quick Codes Design Criteria Handout (Building Department, rev. 11/8/2024) and Casa Grande Code of Ordinances § 15.08.010, International Building Code.; 2018 International Residential Code (IRC), adopted by reference with City of Casa Grande amendments under Title 15. Climatic and geographic design criteria (IRC Table R301.2(1)) are published separately by the Building Department. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Mechanical Code (IMC), adopted by reference with City of Casa Grande amendments under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Plumbing Code (IPC), adopted by reference with City of Casa Grande amendments under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Fuel Gas Code (IFGC), adopted by reference with City of Casa Grande amendments under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Fire Code (IFC), adopted by reference as the City's uniform fire code under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Energy Conservation Code (IECC) governs residential and commercial energy-efficiency requirements. Residential energy efficiency design minimums published by the Building Department include: new/replacement HVAC sized per ACCA Manual J & S (gas furnaces/boilers 80% AFUE minimum; air conditioners and heat pumps 14 SEER minimum); duct insulation per ACCA Manual D (R-8 within attics/exterior, R-6 within other portions); common insulation values of R-13 walls, R-38 ceilings, U-0.40 windows, R-0 crawlspace/slab-on-grade, R-3 water/refrigerant lines. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Property Maintenance Code (IPMC), adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Swimming Pool and Spa Code (ISPSC), adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2017 National Electrical Code (NEC/NFPA 70), adopted by reference with City of Casa Grande amendments (note: electrical code cycle is one edition behind the 2018 ICC set). Arc-fault and tamper-resistant outlet protection is required at most locations per the 2017 NEC. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; NFPA 99 Standards for Health Care Facilities, adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2009 ICC A117.1 Accessible and Usable Buildings and Facilities, adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2019 City of Casa Grande Building and Technical Administrative Code (CG-BTAC), made a public record by Resolution No. 5170, with a 2022 Amendment made a public record by Resolution No. 5397. This locally-authored administrative code governs permit administration, fees cross-references, and technical amendments layered on top of the adopted ICC model codes. Source: City of Casa Grande Building and Technical Administrative Code, 2019 Edition (casagrandeaz.gov/DocumentCenter, Resolution 5170) and Casa Grande Code of Ordinances § 15.04.010.. Local amendments apply — see the Casa Grande overview page for the full list.

A minimum of 14 SEER for air conditioners and heat pumps, and 80% AFUE for gas furnaces and boilers, sized per ACCA Manual J & S, per the City of Casa Grande Building Department's Residential Energy Efficiency Design Minimums (Quick Codes Design Criteria Handout, rev. 11/8/2024).