1,139 HVAC contractors filed 5,358 HVAC permits on homes in Chicago from October 2023 to September 2026; 669 filed one in the last 12 months. The most active in the last 12 months were Owner As HVAC Contractor (34 permits), Dwa Construction (28) and Blue Line Electric Havc (23); busy is not the same as careful. Chicago HVAC permits carry no filed job value, so this list compares firms on permits filed, finishing and recent activity only. Side by side: permits filed, share finished and permits in the last 12 months for each firm. Pick what you value and the list re-orders.
Get references and proof of insurance before you sign. Hiring an HVAC contractor →
Top 5 by HVAC permits filed in the last 12 months. This is volume, not quality: a busy firm is not necessarily a careful one.
The 8 ZIP codes with the most HVAC permits on homes from October 2023 to September 2026. Each opens permits by trade and the most active firms there.
60618 (358) 60647 (294) 60622 (208) 60614 (200) 60625 (194) 60623 (188) 60608 (185) 60657 (179)
Before you move a slider, the list is in a default order built only from the permit record: how much of each firm’s record is this kind of job (weight 30), how often its permits reached completion (25), how many permits it filed in the last 12 months (15) and how quickly its permits closed (10). Each measure is ranked against the other 1,139 firms and pulled toward the middle when a record is short.
The order comes from the Chicago permit file, not from reviews: 669 of 1,139 HVAC contractors filed a permit in the last 12 months and 22% of their permits a year or more old were finished. Nobody pays to be listed or to move up, and there are no star ratings or reviews. The sliders and presets change the weights, and the order changes with them. How the records work in Chicago.
We do not rate contractors. In this page’s default order, which uses only the permit record through Sep 2026, the top 3 are Indoor Air Mechanical Inc. (66 permits, 41% finished), Miron Heating & Cooling (63 permits, 33% finished) and Safe Heating & Cooling, Inc. (52 permits, 31% finished). By permits filed alone, the most active is Owner As HVAC Contractor with 106.
1,139 firms are on the list; the busiest filed 34 HVAC permits in the last 12 months and the middle firm filed 2 in the whole file. Line them up on the same public measures: permits filed and share of permits finished. Pick what matters to you and the list re-orders, for example recent activity if you need someone soon. The order comes from the permit record only, and nobody pays to be listed or to move up.
1,139 firms filed at least one HVAC permit on homes in Chicago from October 2023 to September 2026; 669 of them filed one in the last 12 months.
We have not matched license records to Chicago firms, so ask for the license number and check it yourself with Chicago contractor license lookup. How to check a contractor's license in Illinois →
Three you can check against this page: “How many HVAC permits have you filed in Chicago?” (the middle firm here filed 2; 669 of 1,139 filed one in the last 12 months); “What does your quote include: the permit fee and the city inspection?”; “Will you pull the permit in your company’s name, and when is the final inspection?” (22% of older HVAC permits here were finished). All 10 questions and how to check each →
On this page: 1,139 firms filed 5,358 HVAC permits from October 2023 to September 2026, and each firm’s name opens its own permit record. Every number comes from City of Chicago building permits (Chicago Data Portal). To see one permit itself, search the address or permit number with the Chicago permit office. How the records work in Chicago →
Chicago HVAC permits carry no filed job value, so we can’t rank HVAC contractors by price. Get two or three written quotes; ask whether the permit fee and the city inspection are included; shortlist from the 669 firms that filed in the last 12 months. What HVAC jobs cost in Wheaton, IL →
We do not rate or collect reviews. Instead each of the 1,139 HVAC contractors here is shown with its permit record: 5,358 permits and the share finished. Read reviews on other sites and use this page to check them against the record. Reviews vs permit records →
Every number on this page comes from City of Chicago building permits (Chicago Data Portal): 1,139 firms filed 5,358 HVAC permits on homes in Chicago from October 2023 to September 2026, and 669 of them filed one in the last 12 months. The middle firm has 2 permits in the whole file. A short record leaves more uncertainty, and some jobs never require a permit.
No usable job value is recorded for this permit type, so no typical cost is shown. See how we compare records.
Most Chicago HVAC permits are filed in April (121 against an average month of 100); December is the quietest (77). When each trade is busiest in Chicago →