COMMERCIAL HVAC PERMIT

Commercial HVAC Permit

A commercial mechanical permit is required for the following work on a commercial building or structure:

  • Renovate and repair mechanical or fuel gas systems.
  • Extend or modify an existing mechanical or fuel gas system.
  • Installation of new mechanical or fuel gas systems.

Please see Permit Home for definition of commercial structures and work types.  Please see work not requiring a permit for work that can be performed without a PLI permit.

New Construction and Addition / Alteration Work Type:

  • Ductwork: applies to ductwork modifications.
  • Exhaust Systems: applies to installation of new exhaust systems or replacement of primary exhaust equipment.
  • Fuel Gas Piping: applies to new installation and modifications of existing fuel gas piping.
  • Hydronic Systems: applies to new installation and modifications of existing hydronic systems that includes replacement of primary equipment.
  • Mechanical Equipment – Exterior: applies to installation of new or replacement equipment that is located exterior to the building or structure. 
  • Mechanical Equipment – Interior: applies to new or replacement equipment that is located inside the building or structure. 
  • Refrigeration System: applies to the installation of new or modifications of existing refrigeration system.
  • Smoke Control System: applies to installation of new and modification of existing mechanical systems used for the purposes of smoke control.
  • Type I Commercial Cooking Hood Exhaust System: applies to installation of new and modifications of existing Type I commercial cooking hood exhaust systems.
  • Type II Commercial Cooking Hood Exhaust System: applies to installation of new and modifications of existing Type II commercial cooking hood exhaust systems.

Minor Work Type:

  • Alteration to Existing Mechanical System with Primary Equipment to Remain: applies to existing systems only when the primary equipment is not being replaced and has sufficient capacity per current mechanical code requirements.
  • Meters, valves and meter equipment: applies to utility metering equipment related to mechanical systems.
  • Replacement / Relocation of Grills, Registers, Diffusers: applies to modification of existing system with work limited to modification of these elements and other equipment to remain.

 

Permit Process:

See these webpages for additional information regarding the permitting process:

Please see Other Agency Coordination for processes related to other agencies that may relate to your permit scope.  For commercial mechanical permits:

  • Zoning Development Review application (ZDR) submission is required for the following:
    • Mechanical Equipment – Exterior work scope.
    • Any work scope if the property is located in a regulated floodplain.
  • PA Department of Health (DOH)
    • Required for a structure regulated by the PA Health Care Facilities Act.