Code Library › Volume 1 › Section 9.33 — Heating and Air-Conditioning
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.33.4.7.Structural Movement

(1) Mechanical systems and equipment shall be designed and installed to accommodate the maximum amount of structural movement provided for in the construction of the building. (2) Where the building is in a location where the spectral acceleration, Sa(0.2), is greater than 0.55, heating and air- conditioning equipment with fuel or power connections shall be secured to the structure to resist overturning and displacement. (See Note A-9.31.6.2.(3))
← Previous9.33.4.6. Expansion, Contraction and System PressureNext →9.33.4.8. Asbestos

Common questions about this part of the code

What indoor temperatures must a home heating system be designed to maintain in Ontario?How must heating and cooling systems be sized for houses in Ontario?What are the requirements for heating and air-conditioning ducts in Ontario homes?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.