# Mechanical (HVAC) permit MEC2021-01974 at 454 Highland Ave, Boulder

Boulder Planning and Development Services permit MEC2021-01974: issued Oct 5, 2021 for mechanical (hvac) work at 454 Highland Ave. *Voided for inactivity - no inspections within 180 days* Low Pressure Boiler Annual Fuel Utilization Efficiency (AFUE) 95, 155000BTU, Natural Gas, Interior, Replace.

- Permit number: MEC2021-01974
- Issued: Oct 5, 2021
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Cancelled (city: Void)
- Reported cost: $11,096
- ZIP code: 80302
- All permits at this address: https://nearbypermits.com/boulder/address/454-highland-ave/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 13:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 454 Highland Ave: https://nearbypermits.com/boulder/address/454-highland-ave/