Trade report · Cook County, Illinois
HVAC Permits in Cook County (Chicago)
HVAC building permits issued by the City of Chicago, counted from the official record — totals, reported value, and the biggest hvac projects.
Source: City of Chicago open data — building permits. Source last updated: October 17, 2026 · Our last pull: October 17, 2026 · Figures are as reported by the City of Chicago.
Coverage: this report covers building permits issued by the City of Chicago, the largest jurisdiction in Cook County. Suburban Cook County permits are published by separate municipalities and are not in this feed yet, so county totals here are Chicago totals — labeled as such, never blended.
PermitsByCounty data, Cook County (Chicago), September 2026 · Source: City of Chicago
Questions, answered from the data
How many hvac permits were issued in Chicago in September 2026?
84 hvac permits were issued in Chicago in September 2026, with a reported project value of $35,171,596, as reported by the City of Chicago.
HVAC permits by month
| Month | Permits issued | Reported value |
|---|---|---|
| October 2026 (to date) | 50 | $12,897,291 |
| September 2026 | 84 | $35,171,596 |
| August 2026 | 86 | $26,843,822 |
| July 2026 | 75 | $44,278,188 |
| June 2026 | 102 | $17,951,469 |
| May 2026 | 83 | $16,647,080 |
| April 2026 | 95 | $21,373,619 |
| March 2026 | 77 | $22,000,143 |
| February 2026 | 76 | $12,266,106 |
| January 2026 | 73 | $41,060,919 |
| December 2025 | 88 | $40,737,128 |
| November 2025 | 73 | $21,743,227 |
| October 2025 (from Oct 17) | 39 | $18,953,555 |
Biggest hvac projects — last 12 months
| Project (permit #) | Trade | Reported value | Issued |
|---|---|---|---|
| 655 W Irving Park Rd #101085811 SPR 2019 CBRC: SELF CERT INFRASTRUCTURE RENOVATION INCLUDES WATER RISER REPLACEMENT, SELECTED WASTE AND VEN… | HVAC | $27,000,000 | 2026-07-21 |
| 1651 E 95Th St #B200513144 REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 3 PACKAGED TERMINAL DX SYSTEM(CARRIER 48GEEMO8A2M5-8W3C0 ROOF) .… | HVAC | $18,230,600 | 2026-09-30 |
| 2100 S Wentworth Ave #B200456328 REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 CHILLER(DAIKIN APPLIED AGZ004F) . ELECTRICAL WORK UNDER THIS P… | HVAC | $15,725,592 | 2026-01-21 |
| 225 W Randolph St #101076334 SELF CERT 2019 CBC: STRUCTURAL PEER REVIEW INCLUDED. INTERIOR ALTERATIONS TO OFFICE FLOORS 24-26 TO INCLUDE… | HVAC | $13,240,136 | 2025-12-02 |
| 500 E 51St St #101071845 SPR 2019 CBRC: MECHANICAL ONLY. REPLACE THE EXISTING INTERIOR AIR HANDLING UNITS LOCATED ON THE 4TH FLOOR O… | HVAC | $13,000,000 | 2025-10-31 |
| 225 W Randolph St #101077426 SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 4TH FLOOR OFFICE SPACE SUITE 400. WORK TO INCLUDE NEW… | HVAC | $12,000,000 | 2026-01-07 |
| 1439 E 53Rd St #B200450692 REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 PACKAGED TERMINAL DX SYSTEM(TRANE YSK150A3S0H ROOF) . ELECTRIC… | HVAC | $7,472,700 | 2025-11-14 |
| 222 N La Salle St #101080296 SELF-CERTIFICATION 2019 CBRC: INTERIOR ALTERATION OF EXISTING OFFICE SPACE IN AN EXISTING HIGH RISE OFFICE … | HVAC | $6,000,000 | 2026-03-12 |
All Cook County trades: full county report.