# Mechanical (HVAC) permit MEC2026-00636 at 1820 18th St, Boulder

Boulder Planning and Development Services permit MEC2026-00636: issued Apr 29, 2026 for mechanical (hvac) work at 1820 18th St. York 2stage furnace. 80% Efficiency. 80K BTU NO EXTERIOR WORK TO BE DONE PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assigned inspector on the day the rough mechanical inspection is scheduled. Approved tests: 10 ft water test, 5 PSI positive pressure, or Negative 5 psi air pressure test for 15 Minutes.

- Permit number: MEC2026-00636
- Issued: Apr 29, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Issued (city: Issued)
- Reported cost: $2,606
- ZIP code: 80302
- All permits at this address: https://nearbypermits.com/boulder/address/1820-18th-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 19:49 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1820 18th St: https://nearbypermits.com/boulder/address/1820-18th-st/