# Mechanical (HVAC) permit MEC2018-01572 at 3550 Frontier Ave, Boulder

Boulder Planning and Development Services permit MEC2018-01572: issued Dec 10, 2018 for mechanical (hvac) work at 3550 Frontier Ave. Installation of a replacement RTU, 150k Btu/h, 11.76 EER, 80% efficient, single-package, heating and cooling unit, like for like in same location. Installation per manufacturer's specifications. No structural work/changes are evident in the approved plans. No approval is given or implied for any structural changes whatsoever in the scope of this permit. Any such work must receive prior review and approval.

- Permit number: MEC2018-01572
- Issued: Dec 10, 2018
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Cancelled (city: Void)
- Reported cost: $13,990
- ZIP code: 80301
- All permits at this address: https://nearbypermits.com/boulder/address/3550-frontier-ave/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 22:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3550 Frontier Ave: https://nearbypermits.com/boulder/address/3550-frontier-ave/