If your project includes an HVAC elements, the following will also be required as part of your application.
Mechanical (HVAC) Permit
Layout of mechanical system at each floor level
Type, location & size of equipment.
Heat loss & heat gain calculations
Duct design calculations
Mechanical ventilation calculations & design.
Application to Construct or Demolish Form
Building permit application form required for all submissions
Schedule 1: Designer Information Form
Required for all designers, except Engineers and Architects when applying for any Construction Permit. Property Owners, if exempted from Qualification/Certification, must fill-in the form to specify the reason for exemption.
Commitment to General Reviews By Architect and Engineer
Required for all buildings where professional design and field review is required by the Ontario Building Code. This Commitment form must be signed by the owner or agent and the professional architect, engineer, or consultant.
If you have submitted your building permit using the Toronto Building Online Application system, you must apply for a related mechanical (HVAC) permit online after your original building permit mechanical (HVAC) permit via email (see Apply by Email accordion below).
A User Guide is available to support your submission.
If you have submitted your building permit using the Toronto Building Online Application system, you must apply for a related mechanical (HVAC) permit online (see Apply Online accordion above). If you applied for your building permit via email, you must apply for a a related mechanical (HVAC) permit via email.
To submit an application by email please submit your required forms and documentation to bldapplications@toronto.ca.
Detailed steps for the email submission process 
are also available to assist in making your application.
No additional fee if submitted with building application unless there is a specialty system
Please DO NOT include any personal information on your Building Plans (e.g., the homeowner’s name or phone number). Building Plans submitted for Permit are subject to disclosure in accordance with the Municipal Freedom of Information and Protection of Privacy Act (MFIPPA).