Energy efficient building envelope in cold climate
Building envelope is the thermal barrier between the inside and the outside of the building. It has various components such as external walls, roofs, ceiling, windows and doors. It interacts with the three parts of the building; exterior, interior and the envelope itself. Due to the wide range in the building materials, climate, standards and practice of building design and construction it has complicated the analysis of the building envelop though the top and the primary priorities remains same. The primary function of the building envelope is to provide comfortable indoor environment for the occupant. The other functions are security, fire protection, privacy and shelter from changing weather condition and also benefit such as aesthetic, ventilation and the view to the outdoors. It also improves the quality of life and reduces the health care cost if proper envelope is provided. The main priority beside its basic function is the energy conservation. Building envel...