# Mechanical (HVAC) permit MEC2025-01349 at 1390 Fairfield Dr, Boulder

Boulder Planning and Development Services permit MEC2025-01349: issued Aug 20, 2025 for mechanical (hvac) work at 1390 Fairfield Dr. VOID-180 Days no activity To install a 1.6 ton ported multi-zone Mitsubishi mini split system with 2 wall heads in the customers ADU (no branch box). The condenser will sit on the side yard of the ADU on the SE corner of the building. The mini split heads will be located in the bedroom and living room of the ADU With Installing 2 new circuits for a mini split system in a customer's ADU. The condenser circuit can be pulled from the subpanel in the ADU. The exact circuit route will be determined on site walk. Condenser: 240V/25A dedicated circuit w/ exterior non-fused disconnect & 6' whip and service outlet: 120V/20A Outdoor GFI outlet located near condenser. 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: MEC2025-01349
- Issued: Aug 20, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Cancelled (city: Void)
- Reported cost: $8,679
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/1390-fairfield-dr/

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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 02:38 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1390 Fairfield Dr: https://nearbypermits.com/boulder/address/1390-fairfield-dr/