Building to Zero Exchange has developed a set of practical job aids to support building professionals in navigating Tier 2 compliance under the 2020 National Building Code. 

As of April 1, 2026, Tier 2 comes into effect in Nova Scotia, introducing enhanced energy efficiency requirements for Part 9 buildings. These resources are designed to help builders, designers, building officials, and other practitioners understand available compliance pathways and confidently meet the requirements of Section 9.36 - Energy Efficiency.

BTZx Tier 2 Prescriptive Path Job Aid.pdf
The BTZx NBC 2020 Tier 2 Prescriptive Path Job Aid highlights three simple methods builders can choose from to achieve compliance, explains the energy conservation points system, and outlines how different home upgrades are scored. The document also provides a QR code link to a resource to determine wall assembly R-values.
BTZx Tier 2 Compliance Path Job Aid.pdf
The BTZx NBC 2020 Tier 2 Compliance Path Job Aid describes the two pathways to compliance under Tier 2. The document includes a flow chart to help builders decide which pathway is best suited to their needs, and a walkthrough of document requirements for both prescriptive and performance pathways. It also briefly outlines building official roles for each pathway, as well as energy advisor roles for the performance pathway. 
BTZx Tier 2 Verification Guide.pdf
The BTZx NBC 2020 Tier 2 Verification Guide provides building officials and builders with a list of verification requirements for each building inspection stage. The document includes several resources, including a QR code link to an Energy Conservation Points Calculator.
How to Find an Energy Advisor - BTZx Guide.pdf

Updated

Apr 01, 2026