The Canadian Code for Energy Efficiency in New Houses will feature prescribed thermal characteristics of the envelope components of houses. These will be selected primarily on the basis of life cycle cost. A new method was developed to perform the life cycle cost evaluations of energy efficiency options for walls, roofs, windows and basement walls, based on their performance within the energy system of a house. Existing analytic techniques were adapted to perform the energy analysis and life cycle cost calculations.
A sudden contamination of the outdoor air by some toxic gas can have several causes. To find out the protection afforded by sheltering indoors was the primary goal of the investigation. The object of the computational approach was a single family house with 2 floors. Three different models were utilized to calculate the infiltration air flows, the contaminant transport inside the building and the temperature decay of the building.