Zero net house: Preliminary assessment of suitability for Alberta

The author examines the zero net house (ZNH) concept and makes preliminary assessments of suitability for Alberta. The aim is to improve energy efficiency and reduce green house gas (GHG) emissions. The author compares a theoretical ZNH model, constructed from available historical data; construction data; and trends of consumption in Alberta to models of average class house (ACH) and industry-endorsed technical performance standard (R-2000). Results indicate that ZNH is capable of achieving more GHG reduction levels and reduces energy requirements of occupants compared to ACH and R-2000. Construction costs of ZNH in Alberta exceed that of ACH by 15% but falls within literatureʹs range. With energy escalation rate of 15% per year, the ZNH savings could potentially allow occupants to pay off a significant part of the ZNH.