Before you start an energy efficient retrofit
Subtitle: mechanical systems.
Contributors: Canada Mortgage and Housing Corporation.
Series: About your house -- CE 28i
Publisher: Canada Mortgage and Housing Corporation
Published: 2000
Place of publication: [Ottawa]
Language: eng
Subjects: Dwellings -- Heating and ventilation.; Dwellings -- Energy conservation.
Notes: Issued also in French under the title: Avant d'améliorer l'efficacité énergétique de votre maison : installations mécaniques.

Distributed by the Government of Canada Depository Services Program.

Available also on the Internet.