Skip to main content
CALL
SCHEDULE
Permits & Code

Do You Need a Permit for AC Replacement?

In California, replacing an air conditioner or heat pump is generally a permitted job with Title 24 compliance. Here's what that means — and why it works in your favor.

Last updated: June 17, 2026 Reviewed by: [GATHER: licensed code reviewer]

Short answer

Yes — in California a full AC or heat-pump replacement generally requires a permit, an inspection, and Title 24 energy compliance. A reputable installer pulls the permit for you. Confirm details with your local building department.

Why a replacement needs a permit (a repair often doesn't)

There's a difference between fixing and replacing. Swapping a worn capacitor or contactor is a repair. Removing a system and installing a new one is a changeout — it touches electrical, refrigerant, and energy code, so the building department wants to verify it. That verification is the permit and inspection.

What the inspector is checking

  • Correct electrical connections and disconnect.
  • Proper refrigerant handling and line set.
  • Condensate drainage done to code.
  • Title 24 energy compliance for the new equipment.

[GATHER: confirm the exact inspection checklist, permit fees, and turnaround for the specific SLO or Santa Barbara jurisdiction.]

Why skipping the permit costs more

A no-permit install might look cheaper today, but it can void the manufacturer's warranty, complicate an insurance claim, and surface as a problem when you sell — sometimes requiring the work to be opened up and re-inspected. Permitted, licensed installation protects a multi-thousand-dollar investment.

How Homepatible handles it

For your replacement, we pull the permit and coordinate the inspection as part of the job. You get a documented, code-compliant system — and if you're weighing the decision, you can read whether you even need to replace your R-410A unit or compare a heat pump vs. a furnace first.

This is educational information, not legal or code advice. Permit rules and fees vary by jurisdiction and change over time — confirm your project's requirements with your local building department.

Frequently asked questions

Do you need a permit to replace an AC unit in California?
Generally, yes. Replacing a central air conditioner or heat pump is treated as a mechanical changeout and typically requires a permit and inspection, plus Title 24 energy compliance. A like-for-like minor repair usually doesn't — but a full system replacement does. Confirm the specifics with your local building department.
What does the permit cover?
The permit lets the building department verify the new system is installed safely and to code — proper electrical, refrigerant handling, condensate, and Title 24 energy requirements. It ends with an inspection. [GATHER: confirm exact inspection items, fees, and timeline for the home's jurisdiction.]
Can I replace my own AC without a permit to save money?
Skipping the permit can cost more later — it can void manufacturer warranties, complicate insurance, and create headaches at resale, and the work may have to be opened up for inspection. Licensed installation with a permit protects the investment.
Does Homepatible handle the permit?
Yes. We pull the permit and coordinate the inspection as part of the installation. See our permits & code compliance guide for the bigger picture.

Replacing your AC or heat pump?

We handle the permit and inspection. Request a free quote — or get a free 2nd opinion on a quote you already have.

Schedule Your Service Free 2nd Opinion (805) 980-1145