Philadelphia permit guide
Philadelphia Mechanical Permits: Contractor Guide
All mechanical installations, HVAC equipment replacements, and commercial ductwork in Philadelphia require L&I mechanical permits.
HVAC and Mechanical Rules in Philadelphia
Replacing central HVAC units or installing new ductwork systems requires a mechanical permit. Like-for-like residential equipment replacements can often go through the EZ path.
How PermitOps helps contractors estimate faster
PermitOps turns job inputs into permit requirement guidance, fee-estimate signals, zoning context, and compliance-risk indicators in one workflow. This helps teams avoid missed permit scope and price jobs with better confidence before submission.
FAQ: Philadelphia mechanical permits
Is a permit required to replace a residential furnace in Philly?
Yes, but simple like-for-like replacements qualify for over-the-counter EZ mechanical permits.