Install three (3) natural gas-fired microturbine generators with hot water exhaust heat recovery coils on
Alteration or repair at 150 E Ontario St, Chicago
Chicago Department of Buildings permit 101065308: issued May 19, 2025 for alteration or repair work at 150 E Ontario St. Spr 2019 CBRC: install three (3) natural gas-fired microturbine generators with hot water exhaust heat recovery coils on proposed steel framework outdoors on the existing roof of an existing high-rise hotel as per plans. The hot water piping with glycol solution will connect heat recovery coils to the existing building's hot water heating system through a hydraulic isolation heat exchanger in the building's existing mechanical room. Work to include mechanical, electrical, and structural. No change in use or occupancy. Construction type 1a; occupancy: r-1 hotel).
- Permit number
- 101065308
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $500,000
- ZIP code
- 60611 (from the permit's location)
- City's category
- Permit - renovation/alteration
- City's status
- Active
- Source
- Chicago Department of Buildings permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 150 E Ontario St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 5, 2026. We checked it Oct 6, 01:39 UTC. See the city's official records.
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