# Mechanical (HVAC) permit MEC2025-01048 at 3525 23rd St, Boulder

Boulder Planning and Development Services permit MEC2025-01048: issued Jul 8, 2025 for mechanical (hvac) work at 3525 23rd St. Remove/Replace Furnace and AC. Installing 80% AFUE, 88000 BTU, 3 Ton, 2 Stage Heat, Variable Speed Upflow/Horizontal Gas Furnace and 2 Ton, Up to 21.10 SEER2, Up to 10.50 HSPF2, 208-230 VAC 1 Ph 60 Hz Variable Capacity Cold Climate Heat Pump.

- Permit number: MEC2025-01048
- Issued: Jul 8, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Finished (city: Letter of Completion)
- Reported cost: $9,390
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/3525-23rd-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 06:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3525 23rd St: https://nearbypermits.com/boulder/address/3525-23rd-st/