Mechanical (HVAC)

Service Description

Stand-alone Mechanical (HVAC) Building Permit for work which is not related to other construction proposed for a building.

Service Outcome

Building Permit

General Information

All drawings to be drawn on standardized sized sheets, drawn to scale, fully dimensioned, signed and dated.

If drawings were prepared by a qualified designer (as defined under Div. C, Part 3, Section 3.2 of the Ontario Building Code), drawings must include the designer's name, registration number, qualification identification number, signature, and stamp/statement that the person has reviewed and taken responsibility for the design activities.

Required Documentation

Mechanical System Layout

Layout of mechanical system at each floor level

Mechanical Details

Type, location & size of equipment.

Heat loss & heat gain calculations

Duct design calculations


Mechanical ventilation calculations & design.

Required Forms

Mechanical Ventilation Design Summary
Energy Efficiency Design Summary
Building Application