What does getPermit actually do?

getPermit reads your job details and tells you what a California city expects before you file: which permits the work triggers, the documents and plans you'll need, the fees to budget for, and the common reasons applications in that jurisdiction get bounced back. It produces a clear checklist you can act on. It does not submit to the city for you — you (or your permit person) stay in control of what gets filed.

Is there a human involved, or is it just AI?

Both. The AI does the research and drafts the assessment and checklist; an experienced permit coordinator reviews and approves it before it's treated as authoritative. The human check is the point — it's how we keep it trustworthy in a process where a wrong filing has real consequences.

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We're starting deep in California rather than shallow everywhere. For a city we haven't fully mapped yet, we'll give you accurate general California guidance and point you to that city's official building department — and you can join the waitlist to be notified when we cover it in depth. We will not invent city-specific fees or timelines we haven't verified.

Solo electricians, plumbers, and HVAC contractors, and small general contractors who don't have a dedicated permit department and lose billable hours to permit admin.

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AC changeout permits in Arizona

Last updated September 13, 2026

Early Arizona guides. getPermit is California-first — these pages share what we've verified in Arizona so far, and they don't mean getPermit covers Arizona yet. Join the waitlist with your city to tell us where to go deeper.

A plain-English starting point for HVAC contractors. This is general Arizona guidance — fees, forms, and timelines are set by each city.

Short answer

In Arizona, whether an AC changeout needs a permit depends on the city or county. Arizona has no statewide building code, and several Phoenix-area jurisdictions exempt certain like-for-like replacements, while relocated, upsized, or rewired equipment generally needs a mechanical permit — with electrical scope when the circuit changes. The work is done by a Registrar of Contractors (ROC) licensed air-conditioning contractor.

The general picture

Arizona has no statewide building code. Each city, town, and county adopts its own editions of the International Codes and the National Electrical Code, so an AC changeout can be exempt in one Phoenix-area jurisdiction and need a permit next door. In the four Phoenix-area jurisdictions we've verified, an in-kind replacement is the job most likely to be exempt or issued online, while relocating equipment, upsizing it, altering ducts or condensate lines, or changing the electrical supply turns it into a regular mechanical permit — often with electrical scope. Check the verified notes for Phoenix, Mesa, Scottsdale, and unincorporated Maricopa County before you file.

Typically needs a permit

Relocating, upsizing, or adding equipment; altering ducts, condensate lines, or the electrical circuit; and any replacement in a jurisdiction that doesn't exempt like-for-like swaps. Scottsdale, for example, issues a like-for-like replacement as an online Minimum Permit, while Phoenix, Mesa, and unincorporated Maricopa County exempt certain in-kind replacements.

Usually doesn't (general norm)

Repairs that don't change the equipment, such as replacing a capacitor, contactor, or fan motor
Routine maintenance: cleaning coils and changing filters
Like-for-like replacements in jurisdictions that exempt them — check the city page for the conditions

Documents & plans generally required

Mechanical permit application, with electrical scope listed if the circuit, disconnect, or breaker changes
ROC license number and class (Arizona requires permit applicants to sign a license statement)
Cut sheets for the new condenser, coil, and air handler or furnace
Equipment sizing or load calculations where the jurisdiction asks for them, especially for upsized or new equipment
Revised panel schedule or one-line diagram if the new unit draws more amps
Gas piping capacity details if a gas furnace's input increases

Common reasons ac changeout applications get bounced

Code-rooted patterns across Arizona — not a city-specific rejection rate.

Equipment filed as a like-for-like swap but relocated, upsized, or heavier than the original
Electrical scope missing when the new unit draws more amps than the existing circuit
No sizing information for new or upsized equipment where the jurisdiction requires it
Condensate disposal not addressed when the coil or air handler changes
Disconnect location or working clearances not shown (NEC 110.26 and the manufacturer's clearances)
License class on the application doesn't cover the work

The inspection sequence

A typical order — the number of stops and exact sequence vary by jurisdiction and scope.

1Rough inspection only when ducts, gas piping, or wiring are altered
2Some jurisdictions require a progress inspection even on minimum permits
3Final inspection with the equipment installed, connected, and running

Licensing — who can pull it

AC changeouts in Arizona are done by an ROC-licensed air-conditioning contractor — R-39 (residential), CR-39 or CR-79 (dual), or C-39 (commercial). The R-39 scope includes adding a circuit for the equipment but not a new panel, which needs an electrical class (R-11, CR-11, or C-11). Arizona's handyman exemption doesn't apply to work that requires a building permit.

How this works in your Arizona city

Cities marked have verified local data — portal, fee schedule, adopted code edition, and local permit notes sourced from public city and county documents. Every city page links to its official building department.

Phoenix Mesa Scottsdale Unincorporated Maricopa County

Frequently asked questions

Do I need a permit for a like-for-like AC changeout in Arizona?

It depends on the jurisdiction. Arizona has no statewide building code, so each city and county sets the rule. Phoenix, Mesa, and unincorporated Maricopa County exempt certain in-kind replacements, while Scottsdale issues a like-for-like replacement as an online Minimum Permit. Relocated, upsized, or rewired equipment generally needs a permit.

Does installing a bigger unit change the permit?

Usually. A larger unit can mean a bigger circuit, more weight, or more gas input, which takes the job outside like-for-like exemptions. Expect the jurisdiction to ask for a revised panel schedule, gas sizing, or equipment sizing information.

Can an Arizona city ban a refrigerant?

Arizona law bars cities from prohibiting refrigerants the EPA lists as acceptable. The installation still has to follow the manufacturer's instructions and the mechanical code the jurisdiction has adopted.

Who can pull an AC changeout permit in Arizona?

An ROC-licensed air-conditioning contractor (R-39, CR-39, CR-79, or C-39). Permit applicants sign a statement giving their ROC license number.

Other common jobs

Battery storage EV charger install Furnace replacement All jobs All Arizona guides

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