Do You Need a HVAC Permit in Chicago?
Not for in-kind swaps
In a residential building up to 4 stories, repairing or replacing a furnace, boiler or air conditioner in-kind (same type, size and shape) needs no building permit. A new system or a replacement that is not in-kind needs a permit, which the Express Permit Program covers with load calculations.
Source: Chicago DOB: Mechanical (HVAC) Work (work not requiring a permit)
Chicago HVAC Permits at a Glance
- Permits, last 12 months
- 401
- Issued, last 30 days
- 30
- Median application to issue
- 37 days
- Median declared job value
- $50,000
- Issuing office
- Chicago Department of Buildings
- Rule last checked
- October 30, 2026
Permits Issued per Month
Counts are approximate: we match permit types and descriptions to HVAC work. Data from Chicago Building Permits, refreshed October 30, 2026.
What Chicago's Rules Say
- No permit: in-kind repair or replacement of a furnace, boiler, radiator, ductwork or air conditioning appliance in a residential building up to 4 stories.
- "In-kind" means the same type, size and shape.
- Permit needed: new equipment or non-in-kind replacement; Express Permits require HVAC load calculations, and rooftop or truss-hung equipment needs a structural evaluation.
- Landmark properties may not qualify for the exemption.
Chicago HVAC Permit Fees
We have not verified Chicago's fee for this work from an official fee schedule yet, so we don't quote one. The Chicago Department of Buildings sets the fee when you apply. For context, the median fee actually paid on these permits in the city's records was $677.
Busiest Areas for HVAC Permits
| Community area | Permits (12 mo) |
|---|---|
| Community area 8 | 24 |
| Community area 28 | 18 |
| Community area 24 | 18 |
| Community area 32 | 17 |
| Community area 6 | 17 |
| Community area 22 | 13 |
How to Get a HVAC Permit in Chicago
- Confirm the rule for your exact job on the official page cited above. Size, height, structure and location (historic district, floodplain) can change the answer.
- Choose who applies. Many permits here must be pulled by a licensed contractor; ask any contractor to name the license they will use.
- Apply with the Chicago Department of Buildings through the official department website.
- Schedule inspections as the permit requires, and keep the final approval with your house records.
Recent Chicago HVAC Permits
| Issued | Address | Work |
|---|---|---|
| 2026-10-27 | 7258 S Honore St | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 CENTRAL FURNACE(CAPTA3022B3AA OLD FURNACE WAS STOLEN UNABLE TO PROVIDE PICTUR |
| 2026-10-26 | 1948 W Maypole Ave | SCOPE: NONSTRUCTURAL INTERIOR REMODEL DUE TO FIRE DAMAGE INCLUDING DRYWALL, ELECTRICAL, PLUMBING, FINISHES AND FURNACE R |
| 2026-10-23 | 8816 S Union Ave | SCOPE: NONSTRUCTURAL INTERIOR REPLACEMENT OF EXISTING DRYWALL AND FURNACE, UPGRADE ELECTRICAL AND PLUMBING, INSTALL NEW |
| 2026-10-22 | 200 E Randolph St | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO 38TH FLOOR OFFICE SPACE. WORK TO INCLUDE NON-STRUCTURAL DEMO, NON-STRUCTURA |
| 2026-10-22 | 106 N Aberdeen St | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 2 CENTRAL FURNACE(LENNOX, ML196UH090XE48CK, CLOSET) 2 OTHER COOLING EQUIPMENT(L |
| 2026-10-22 | 3033 N Ashland Ave | SPR 2019 CBRC: INTERIOR NON STRUCTURAL ALTERATIONS TO AN EXISTING RESTAURANT. CUT OPENINGS THRU NON STRUCTURAL PARTITION |
| 2026-10-21 | 1060 W Addison St | DDS 2019 CBC: INSTALLATION OF A NEW FORCED-AIR AND DRAIN SYSTEM FOR THE BALL FIELD. ALL NEW EQUIPMENT WILL BE LOCATED ON |
| 2026-10-21 | 11 W Illinois St | NEW HEAT PUMP OR REFRIGERATION EQUIP., ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON- |
| 2026-10-21 | 910 N Lake Shore Dr | RESIDENTIAL REHABILITATION, INTERIOR DEMOLITION, ALTERATION AND REPAIR. RECONFIGURE NON-STRUCTURAL PARTITIONS, KITCHEN A |
| 2026-10-21 | 1259 W 18Th St | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 CENTRAL FURNACE(DUCANE 80GUH110CE20K) . ELECTRICAL WORK UNDER THIS PERMIT = N |
Addresses and work descriptions as published by the city. Owner names and phone numbers are removed.
Frequently Asked Questions
Do I need a HVAC permit in Chicago?
Not for in-kind swaps. In a residential building up to 4 stories, repairing or replacing a furnace, boiler or air conditioner in-kind (same type, size and shape) needs no building permit. A new system or a replacement that is not in-kind needs a permit, which the Express Permit Program covers with load calculations.
How many HVAC permits does Chicago issue?
Chicago issued 401 permits matching HVAC work between October 30, 2025 and October 30, 2026, about 33 a month. The busiest month was Apr 2026 with 49.
How much does a HVAC permit cost in Chicago?
We have not yet verified Chicago's fee for this work from an official fee schedule, so we do not quote one. The fee is set by the Chicago Department of Buildings when you apply. In the city's own records, the median fee paid on these permits over the last 12 months was $677.
How long does it take to get a HVAC permit in Chicago?
Based on the city's records, the median time from application to issue for these permits was 37 days over the last 12 months.
Who issues HVAC permits in Chicago?
The Chicago Department of Buildings.
Related Permit Guides
- Chicago Roofing Permits
- Chicago Solar Panel Permits
- Chicago Fence Permits
- New York HVAC Permits
- Philadelphia HVAC Permits
- HVAC Permits by City
- HVAC Replacement Permit Rules in 15 US Cities
Sources
Official sources checked on . Rules change; confirm with the department before you start work.
- Chicago DOB: Mechanical (HVAC) Work (work not requiring a permit) (linked above) (chicago.gov)
- Chicago DOB Express Permit Program: Mechanical (HVAC) Work (chicago.gov)