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Regulations & Rating Systems
National Energy Code of Canada for Buildings 2017 (NECB)
Reference System Configuration NECB 2017
12 Ductwork leakage
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12 Ductwork leakage
NECB-2017 Article 5.2.2.4
Ductwork leakage shall be in accordance with table 5.2.5.4. For the purposes of the energy model, ductwork leakage is modelled as an estimated percentage leakage loss entered via a Ductwork thermal properties dialog in the HVAC network.
Figure 9: Ductwork thermal properties dialog with ductwork leakage rate highlighted
