This study evaluates the economic feasibility as well as the effect of window modifications on the heating and cooling energy requirement of the Canadian housing stock based on detailed energy simulations conducted using the Canadian hybrid residential end-use energy model (CHREM) and green house gas emissions model (GEM). It is found that thermally improved windows can substantially reduce the energy consumption and greenhouse gas emissions from the Canadian residential sector. The magnitude of energy consumption and greenhouse gas (GHG) reductions depend largely on the size of the housing stock, existing window type characteristics, climate, and fuel mix used. Thus, there are variations from province to province. Similarly, economic feasibility depends on the magnitude of savings available as well as the price of energy in each province.

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Keywords Building energy simulation, Canadian housing stock, Glazing, Residential energy consumption, Residential greenhouse gas emissions, Window area, Window efficiency upgrade
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Journal Journal of Energy Engineering
Nikoofard, S. (Sara), Ugursal, V.I. (V. Ismet), & Beausoleil-Morrison, I. (2014). Technoeconomic assessment of the impact of window improvements on the heating and cooling energy requirement and greenhouse gas emissions of the canadian housing stock. Journal of Energy Engineering, 140(2). doi:10.1061/(ASCE)EY.1943-7897.0000140