# Mechanical (HVAC) permit MEC2025-01619 at 4618 18th St, Boulder

Boulder Planning and Development Services permit MEC2025-01619: issued Oct 2, 2025 for mechanical (hvac) work at 4618 18th St. Installing 2X ducted ASHP 3-ton Condenser #1 location: in side yard replacing A/C 3-ton AHU replaces furnace, location: basement 2.5-ton Condenser #2 location: in side yard replacing A/C 2.5-ton AHU replaces furnace, location: attic. To include electrical 1. 30A, 240V circuit w/ a 6ft whip plus 40" of wire and non-fused disconnect for ODU#1 in south side yard, replacing A/C. 2. 30A, 240V circuit w/ a 6ft whip plus 40" of wire and non-fused disconnect for ODU#2 in south side yard, replacing A/C. 3. 20A, 120V GFCI service outlet within 25ft of AHU in basement/attic. 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: MEC2025-01619
- Issued: Oct 2, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Finished (city: Letter of Completion)
- Reported cost: $23,244
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/4618-18th-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 00:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4618 18th St: https://nearbypermits.com/boulder/address/4618-18th-st/