Upper Darby Township requires mechanical permits for the installation, replacement, or alteration of heating, ventilation, air conditioning, and related systems.

Mechanical permits are required to ensure that work is performed in accordance with the Pennsylvania Uniform Construction Code (UCC) and applicable Township regulations, protecting public health, safety, and property.

When a Mechanical Permit is Required

A mechanical permit is required for, but not limited to, the following:

• Installation of new heating or air conditioning systems
• Replacement of furnaces, boilers, or HVAC units
• Installation or modification of ductwork
• Installation or replacement of ventilation systems
• Installation of gas-fired appliances or equipment
• Installation or replacement of water heaters (when applicable to mechanical systems)
• Installation of exhaust systems or ventilation equipment
• Installation of mini-split or split HVAC systems
• Installation of chimney liners or venting systems

Any work involving mechanical systems regulated by the UCC requires a permit.

Work That May Not Require a Mechanical Permit

Certain minor work may not require a permit, including:

• Portable heating or cooling appliances
• Minor repairs that do not alter the system or affect safety
• Replacement of small components that do not impact system performance

Important:
Even if a permit is not required, all work must still comply with applicable codes and safety standards.

Who Can Apply

Mechanical permits may be obtained by:

• Licensed contractors
• Property owners (where permitted by law)

All work must be performed in accordance with applicable code requirements and Township regulations.

Application Requirements

A complete mechanical permit application typically includes:

• Completed permit application form
• Description of the work being performed
• Equipment specifications (manufacturer cut sheets, if applicable)
• Location of equipment within the structure
• Any required supporting documentation

Additional documentation may be required depending on the scope of work.

Plan Review and Approval

Mechanical permit applications are reviewed to ensure compliance with:

• Pennsylvania Uniform Construction Code (UCC)
• International Mechanical Code (as adopted by PA)
• International Fuel Gas Code (as applicable)
• Applicable Township regulations

Once the application is approved, the permit will be issued.

Work may not begin until the permit has been issued.

Inspections

Mechanical inspections are required to verify that work complies with approved permits and applicable codes.

Inspections may include:

• Equipment installation verification
• Ductwork and ventilation inspection
• Combustion air and venting inspection
• Gas connections and safety checks
• Final inspection

All required inspections must be approved prior to final completion.

Permit Expiration

Mechanical permits are valid for a limited time.

Failure to commence or complete work within the required timeframe may result in permit expiration.

Extensions may be requested in accordance with Township regulations.

Fees and Payments

Permit fees are established in accordance with the Township Fee Schedule.

Payments may be made:

• Online
• By check or money order

Cash is not accepted.

(Fees are subject to change. Please contact the Township to verify the most current fee schedule.)

Important Reminders

• A permit is required before starting work
• All work must comply with applicable codes
• Inspections are required prior to completion
• Additional permits (electrical, plumbing, or building) may be required depending on the project
• Working without a permit may result in double fees, stop work orders, and enforcement action

Frequently Asked Questions

Do I need a permit to replace my furnace or AC unit?
Yes. Replacement of heating or cooling equipment requires a mechanical permit.

Will my system need to be inspected?
Yes. Inspections are required to ensure compliance with code requirements.

Contact the Buildings Division

For questions regarding mechanical permits, please contact the Buildings Division.

Email: LI@UpperDarby.org

Phone: 610-734-7613

Residents may also submit inquiries or report concerns through the Township One Center.

To submit a concern, email One@UpperDarby.org or call the One Center Request Line at 610-734-7625.