Pennsylvania / Philadelphia

HVAC Permit in Philadelphia, Pennsylvania

By Mario Bailey Last verified 2026-06-17 · 2 official sources

Quick answer

A mechanical permit is required from Philadelphia L&I for HVAC installations, replacements, and ductwork alterations. New installations in 1-2 family homes and appliance replacements may qualify for the EZ permit process. Work must be performed by a licensed contractor. Apply through the eCLIPSE portal.

Permit required?

Yes, a permit is required.

When a permit is usually needed

For installation or replacement of HVAC systems, ductwork, or related equipment

Permit cost and what affects it

$100 filing fee (nonrefundable); permit fee $189 minimum plus $158 per appliance and $15.10 per register or diffuser

Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.

Official fee schedule

Where to apply

Department of Licenses and Inspections

Frequently asked questions

Do you need a hvac permit in Philadelphia?
A mechanical permit is required from Philadelphia L&I for HVAC installations, replacements, and ductwork alterations. New installations in 1-2 family homes and appliance replacements may qualify for the EZ permit process. Work must be performed by a licensed contractor. Apply through the eCLIPSE portal. Always confirm with the Department of Licenses and Inspections before starting.
How much does a hvac permit cost in Philadelphia?
$100 filing fee (nonrefundable); permit fee $189 minimum plus $158 per appliance and $15.10 per register or diffuser See the official fee schedule for current amounts.
How long does a hvac permit take in Philadelphia?
Processing time for a hvac permit in Philadelphia varies by workload and project scope. Contact the Department of Licenses and Inspections for a current estimate.
Where do you apply for a hvac permit in Philadelphia?
You can apply through the Philadelphia permit portal or contact the Department of Licenses and Inspections directly. The links are listed on this page.

Official sources

Last verified: 2026-06-17 Report an error on this page

Compare HVAC Permit requirements across Pennsylvania localities