Nova Scotia – Adoption of CSA B52:2023

Status: Almost ready

Building Code

Nova Scotia will make use of NBC 2015 until Apr 1, 2025: https://canlii.ca/t/c154. Under Clause 9.33.5.2 of the NBC, installation of HVACR equipment requires conformity to provincial regulations – in this case, Nova Scotia’s pressure equipment regulation (see link below).

9.33.5.2. Installation Standards (from 2015 NBC)

1) Except as provided in Articles 9.33.5.3. and 9.33.5.4., the installation of heating and air-conditioning equipment, including mechanical refrigeration equipment, and including provisions for mounting, clearances and air supply, shall conform to applicable provincial or territorial regulations or municipal bylaws or, in the absence of such regulations or bylaws, to:

  • a) CSA B51, “Boiler, Pressure Vessel, and Pressure Piping Code,”
  • b) CSA B52, “Mechanical Refrigeration Code,”
  • c) CSA B139, “Installation Code for Oil-Burning Equipment,”
  • d) CSA B149.1, “Natural Gas and Propane Installation Code,”
  • e) CSA C22.1, “Canadian Electrical Code, Part I,”
  • f) CSA C448 Series, “Design and Installation of Earth Energy Systems.”

(See also Sentence 9.33.5.3.(1).)

Technical Safety Regulation (CSA B52-18)

Pressure Equipment

Has indicated intention to adopt CSA B52:2023 after amendments to the code are published, but potentially in early 2025.

NS - B52-2023 Adoption