HVAC Permit in Chicago, Illinois

Permit required?

Yes, a permit is required.

When a permit is usually needed

For all HVAC installation and replacement work on residential properties

Permit cost and what affects it

Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.

Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.

Official fee schedule

Where to apply

• Official permit page
• Permit portal

Frequently asked questions

Do you need a hvac permit in Chicago?

A building permit is required in Chicago for HVAC installation and replacement. New air conditioning systems and like-for-like HVAC replacements qualify for the Chicago Express Permit Program. New heat pump installations serving a single residential unit are also express-eligible. The Express Permit provides fast online processing for qualifying projects. Always confirm with the Chicago Department of Buildings before starting.

How much does a hvac permit cost in Chicago?

Fees are set by Chicago and are not published here. See the official fee schedule for current amounts.

How long does a hvac permit take in Chicago?

Processing time for a hvac permit in Chicago varies by workload and project scope. Contact the Chicago Department of Buildings for a current estimate.

Where do you apply for a hvac permit in Chicago?

You can apply through the Chicago permit portal or contact the Chicago Department of Buildings directly. The links are listed on this page.

Official sources

• https://www.chicago.gov/city/en/depts/bldgs/provdrs/permits/svcs/express-permits.html
• https://www.chicago.gov/city/en/sites/guide-to-building-permits/home/instructions/EPP/MECH.html