Resource Hub | Building to Zero Exchange

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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Interactive Tools and Calculators

Heat Pump Calculator

This interactive tool helps you to compare the cost of heat pumps to other home heating and cooling options in five cities across Canada. It was developed by experts at the Canadian Climate Institute based on extensive economic analysis. Results reflect average costs over the lifetime of the equipment and do not reflect individual circumstances of each user.

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Guide

Zeroing-in On Net-Zero Energy Homes by BER

Let’s understand that there is not a single, universally agreed upon definition of Net Zero Energy Buildings; as the zero-energy enigma lingers, the terms Zero Energy Building (ZEB) and Net Zero Energy Building (NZEB) can be used interchangeably. The goal is to achieve an end result of zero energy.

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Guide

Operational vs. Embodied Carbon by BER

Learn what is the difference between operational carbon and embodied carbon and why you should care.

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