PERMIT RECORD · CHICAGO, IL
Mechanical / HVAC permits in Chicago, IL
122,264 mechanical / hvac permits between 2006 and 2026 — 15.4% of all permits in this market. 3,993 in the last twelve months, from 6,873 companies on record.
Activity by year
| Year | Permits |
|---|---|
| 2006 | 6,760 |
| 2007 | 6,455 |
| 2008 | 5,103 |
| 2009 | 4,140 |
| 2010 | 4,527 |
| 2011 | 4,854 |
| 2012 | 5,294 |
| 2013 | 6,246 |
| 2014 | 6,732 |
| 2015 | 6,923 |
| 2016 | 7,621 |
| 2017 | 7,920 |
| 2018 | 7,780 |
| 2019 | 7,585 |
| 2020 | 6,027 |
| 2021 | 5,629 |
| 2022 | 6,140 |
| 2023 | 5,034 |
| 2024 | 4,050 |
| 2025 | 4,031 |
| 2026 | 3,413 |
Distinct permit numbers as classified by the issuing authority.
Most active mechanical / hvac companies, last 12 months
| Company | Permits |
|---|---|
| Admiral Heating & Ventilating | 74 |
| Competitive Piping Systems | 69 |
| Environment Mechanical Service | 51 |
| Sherman Mechanical Inc | 44 |
| Enviromental Mechanical Serv. | 42 |
| Indoor Air Mechanical Inc. | 40 |
| Anm Mechanical Services LLC | 37 |
| Arlington Heating & Cooling | 35 |
| Ct Mechanical LLC | 32 |
| Benjamin Curescu Heating | 32 |
| Blue Line Electric Havc | 32 |
| Dunrite Mechanical, Inc | 31 |
Ranked by filing volume, not by revenue, capacity or quality.
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Source and limits
City of Chicago Building Permits (Socrata ydr8-5enu). Refreshed daily. A permit records a filing, not a completed job or an awarded contract, and a quiet period may mean work was filed outside this dataset. All permit activity in Chicago →