The Ontario Building Code | Heat Transfer Performance

9.7.3.2. Heat Transfer Performance

(1) windows, doors and skylights described in Clause 9.7.1.1.(1)(a) and their components shall be designed, constructed and installed to,

(a) minimize surface condensation on the warm side of the component, and

(b) ensure comfortable conditions for the occupants.

(2) Compliance with the heat transfer performance requirements described in Sentence (1) shall be demonstrated by,

(a) compliance with the requirements in Article 9.7.3.3., or

(b) design and construction conforming to Part 5.