Do I need an HVAC permit in Indiana?

In Indiana it depends on the size of the job. Permits are issued locally, so the answer comes from your Indiana city or county rather than a single statewide rule. Of the 2 Indiana jurisdictions we have verified for HVAC work, 0 require a permit outright, 2 depend on the size or scope of the job, and 0 require none.

Is there an HVAC permit exemption in Indiana?

2 of the 2 Indiana jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Indiana county and permitted in the next. The table above lists each Indiana jurisdiction's published threshold in its own words, with the source and the date we verified it.

Indiana

Do you need an HVAC permit in Indiana?

By Mario Bailey Last checked 15 Aug 2026

Always required: 0; of 2 jurisdictions
Conditional: 2; depends on size or scope
Not required: 0; exempt outright

HVAC Permit rules nationwide, beyond Indiana.

A technician inspects an outdoor air-conditioning condenser beside a house

Requirements and size thresholds for HVAC permits vary by locality. The table below compares what each Indiana county or city requires. Always confirm with the local office before starting.

Comparing states? See HVAC permit rules across every locality we cover.

The application steps and inspection sequence for HVAC permits come from the model code rather than from Indiana law, so they read the same wherever you build. We keep that walkthrough in one place: how an HVAC permit application and its inspections work, start to finish. What changes between Indiana jurisdictions is below: who requires a permit, what they charge, and which office you file with.

Swipe sideways to see thresholds and confidence.

Locality	Permit required?	Typical threshold	Confidence
Fort Wayne	Conditional	Before replacing or altering a furnace, boiler, air conditioner, duct system or gas line	Confirmed on official page
Indianapolis	Conditional	Before any construction activity on a heating, venting, air conditioning or...	Confirmed on official page
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Common questions about HVAC permits in Indiana

Do I need an HVAC permit in Indiana?: In Indiana it depends on the size of the job. Permits are issued locally, so the answer comes from your Indiana city or county rather than a single statewide rule. Of the 2 Indiana jurisdictions we have verified for HVAC work, 0 require a permit outright, 2 depend on the size or scope of the job, and 0 require none.
Is there an HVAC permit exemption in Indiana?: 2 of the 2 Indiana jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Indiana county and permitted in the next. The table above lists each Indiana jurisdiction's published threshold in its own words, with the source and the date we verified it.

Do you need an HVAC permit in Indiana?

Common questions about HVAC permits in Indiana

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