# Mechanical (HVAC) permit MEC2025-02158 at 615 S 42nd St, Boulder

Boulder Planning and Development Services permit MEC2025-02158: issued Dec 9, 2025 for mechanical (hvac) work at 615 S 42nd St. 3 ton electric heat pump installation replacing an existing gas furnace and existing AC plus adding a 5KW heat strip for a back up heat. The gas line will be capped at the removed furnace location. Three circuit breakers will be installed for heat pump and heat strip operation and no service upgrade required 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: MEC2025-02158
- Issued: Dec 9, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Issued (city: Issued)
- Reported cost: $16,995
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/615-s-42nd-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 21:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 615 S 42nd St: https://nearbypermits.com/boulder/address/615-s-42nd-st/