PlainPermit

Do I need a permit for an HVAC or AC replacement in Chicago, IL?

Short answer: It depends on the details for an HVAC or AC replacement in Chicago, IL (for example: In-kind replacement: no permit).

Last verified: · Confidence: high · Status: Verified from official source

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.
Depends on your project Confidence: high

In a residential building up to 4 stories, replacing a furnace, boiler or A/C in-kind needs no permit. Adding new air conditioning or other complete replacement needs a permit.

What changes the answer

Cost

Fee not extracted; see Chicago Department of Buildings fees. Unverified, confirm locally

Fee source: https://www.chicago.gov/city/en/sites/guide-to-building-permits/home/help/faq/DOB/EPP-eligible.html

Where to apply

City of Chicago Department of Buildings (Express Permit Program / online permits)

Permitting authority: City of Chicago Department of Buildings. Applies inside Chicago city limits. Landmark properties and districts may need Commission on Chicago Landmarks review. See also: how to apply for a building permit.

Official sources

“Repairing or replacing (in-kind) a furnace or an element of an associated heating system, such as ductwork”

Source: https://www.chicago.gov/city/en/sites/guide-to-building-permits/home/help/faq/DOB/bldg-permit-not-required/all.html

“Repairing or replacing (in-kind) an air conditioning appliance”

Source: https://www.chicago.gov/city/en/sites/guide-to-building-permits/home/help/faq/DOB/bldg-permit-not-required/all.html

“Performing mechanical (HVAC) work, including adding new air conditioning”

Source: https://www.chicago.gov/city/en/sites/guide-to-building-permits/home/help/faq/DOB/EPP-eligible.html

Verified: · Status: verified · Confidence: high

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