Projects that Require a Mechanical Permit
Mechanical permits are requited for the following projects:
- Installing new mechanical equipment (e.g. new air conditioner, heat pump, furnace, etc.). Permits are not required when replacing a like-for-like electric condensing unit or air handler
- Replacing any fuel-fired furnace, hydronic piping (hot water piping) or its associated duct work.
- Installing or replacing any flue or new vent associated with mechanical equipment.
- Replacing an existing furnace with one that utilizes a different fuel.
Application Submission Requirements
The following items must be submitted for residential mechanical permits:
- Trade Permit Application (PDF)
- 2 copies of construction documents (new construction only) to include the following:
- Completed ACCA Residential Plan Review Worksheet for each new system
- ACCA Manual J (8th edition) Form with supporting worksheets
- ACCA Manual D Friction Rate Worksheet
- Duct distribution system layout
- Plot plan or site plan indicating elevations, if in the flood zone
- ACCA Manual S
- Residential HVAC system submittals shall include the seal and signature of the engineer under whose supervision they were prepared or the name, address, and tradesman number of the master mechanical contractor under whose supervision they were prepared