Before you start an energy efficient retrofit
Subtitle: the building envelope.
Contributors: Canada Mortgage and Housing Corporation.
Series: About your house -- CE 28j
Publisher: Canada Mortgage and Housing Corporation
Published: 2000
Place of publication: [Ottawa]
Language: eng
Notes: Distributed by the Government of Canada Depository Services Program.

Issued also in French under title: Avant d'améliorer l'efficacité énergétique de votre maison : l'enveloppe du bâtiment.