# Mechanical (HVAC) permit 100224682 at 633 N St Clair St, Chicago

Chicago Department of Buildings permit 100224682: issued Feb 20, 2008 for mechanical (hvac) work at 633 N St Clair St. Install supplemental a/c unit in 12th floor data room. One american power 10 ton unit,r-22,two compressors,water cooled-tower water,self contained.

- Permit number: 100224682
- Issued: Feb 20, 2008
- Type of work: Mechanical (HVAC) (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: Not listed
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/633-n-st-clair-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-09 11:44 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 633 N St Clair St: https://nearbypermits.com/chicago/address/633-n-st-clair-st/