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- Title
Improvements in the airtightness of housing in Richmond, British Columbia.
- Authors
Foroushani, Sepehr
- Abstract
Controlling air leakage through the building envelope remains a challenge, especially in light of the imperative to transition to a net-zero energy building sector and the increasing importance of indoor air quality during extreme weather events such as wildfires. The British Columbia Energy Step Code is a performance-based compliance option in the British Columbia Building Code which is intended to provide a transition pathway to net-zero energy ready construction by 2032. For small residential buildings, performance targets entail thresholds for the measured air leakage rate through the building envelope. This paper reports on the airtightness of the first 145 single- and two-family dwellings built under the Energy Step Code in Richmond, BC. Although the first phase of the implementation of the Energy Step Code in Richmond entailed no airtightness targets (only testing), results indicate improvement compared to the historical levels of airtightness in the region.
- Subjects
RICHMOND (B.C.); BRITISH Columbia; RENEWABLE energy transition (Government policy); INDOOR air quality; BUILDING envelopes; EXTREME weather; HOUSING
- Publication
Canadian Journal of Civil Engineering, 2022, Vol 49, Issue 7, p1317
- ISSN
0315-1468
- Publication type
Article
- DOI
10.1139/cjce-2021-0285