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Regulations & Rating Systems
National Energy Code of Canada for Buildings 2020 (NECB)
Reference System Configuration NECB 2020
12 Ductwork leakage
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12 Ductwork leakage
NECB-2020 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
