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The Potential for energy conservation through air tightening of new Canadian houses

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
SubjectBuilding Envelope; Energy Conservation; Air Tightness/ Air Leakages; Ventilation; Air quality; Enveloppe du bâtiment; Economies d'énergie; Etanchéité à l'air/ fuites d'air
Abstract
The energy savings associated with the air-tightening of new houses equipped with exhaust-only ventilation systems are evaluated in this paper. Potential savings are identified that would result from reducing the leakage area of the envelopes of houses. For most regions of Canada, the air leakage through the envelopes is currently about the same order of magnitude as that needed for air quality. Further tightening would increase the need for supplementary ventilation in most houses. The increased cost of ventilation using exhaust-only fans would offset potential savings due to reduced air leakage with tighter envelopes. It is recommended that this analysis be repeated to evaluate the role of the tighter envelope as a complement to heat recovery ventilation and demand-control ventilation systems.
Publication date
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  • Indoor Environment : The Journal of Indoor Air International 2, no. 5-6 (September 1993): 344–349.
NoteAlso presented at the 5th International Jacques Cartier Conference held in Montreal, Que., Canada on October 7- 9, 1992
LanguageEnglish
Peer reviewedYes
IdentifierIRC-P-3006
NRC numberNRCC 35138
NRC-IRC-4316
NPARC number20358464
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Record identifier2b6ade12-d432-4cba-8d8a-682b4a894b14
Record created2012-07-20
Record modified2020-06-06
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