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BTZx Resources for NBC 2020 Tier-2

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.

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Education and Visual Aids

Tiered Energy Codes Best Practices for Code Compliance

Canada is moving toward tiered building energy codes, with the highest level targeting Net-Zero Energy Ready (NZER) buildings by 2030, as part of its climate commitments. This shift poses challenges for local authorities responsible for code enforcement, requiring new expertise. This paper explores energy code evolution, compliance challenges, and provides recommendations for nationwide implementation.

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