Passive House Construction Above the Arctic Circle; In Situ Thermal Resistance Testing of an Energy Efficient Building Envelope in the Canadian Arctic; Energy Consumption of an Energy Efficient Building Envelope in the Canadian Arctic; Increasing Buildings Automation Systems Efficiency with Real-Time Simulation Trough Improved Machine Self-learning Algorithms; Analysis of Various Ventilation Solutions for Residential and Non-residential Buildings in Latvia and Estonia; Performances of Gas-Water Direct-Contact Heat Transfer; Impacts of Energy Efficient Constant Output Heating on the Moisture Conditions of Unoccupied Summer Cottages in Finland; Setback Efficiency of Limited-Power Heating Systems in Cold Climate; Integration of Building Integrated Photovoltaic/Thermal (BIPV/T)System with Heat Recovery Ventilators for Improved Performance Under Extreme Cold Climates; Demand Controlled Ventilation in Residential Buildings; Is It Possible to Build Near Zero Energy Single Family Buildings in Very Cold Arctic Climate?; The Energy Performance of Green Roof in Sub-arctic Climate; Performance Evaluation of a Passive House in Sub-arctic Climate; The Study of Energy-Saving Window Technology Adaption for Green Buildings in the Severe Cold Region of Northern China; Tenants' Priority of Renovation Measures and Their Willingness to Pay Higher Rent to Implement These; Upgrading of a Typical Norwegian Existing Wooden House According to the EnerPHit Standard; Adding Glazing as an Energy Saving Renovation Measure in Cold Climates - Cold Climate HVAC 2018 Sustainable Buildings in Cold Climates, 2019 .