Abstract
Thermal Bridge Impact on the Heating Demand in a Low-Energy House Thermal bridges typically occur at the junction of different building components where it is difficult to achieve continuity in the thermal insulation layer. In this paper thermal bridges are investigated in the first one-family low-energy house in Latvia. The proportion of the overall heat loss due to thermal bridging is determined based on the results from a numerical calculation method described in the standard LVS EN ISO 10211 and from the simplified calculation method given in the standard LVS EN ISO 14683. In this paper the software tool THERM is used for two-dimensional thermal bridge model simulations. The results suggest that 7.7 % of the total heat transmission losses occur due to thermal bridges.
Highlights
Climate change is one of the most critical challenges facing humanity today
The process of climate change unleashed by the rapid rise of atmospheric greenhouse gas emissions, historically and today, has the capacity to completely change our every day life
To minimize the adverse impacts of climate change we can start with our homes by building them so well, that they consume no or just a little energy like it is in low-energy houses
Summary
Climate change is one of the most critical challenges facing humanity today. The process of climate change unleashed by the rapid rise of atmospheric greenhouse gas emissions, historically and today, has the capacity to completely change our every day life.To minimize the adverse impacts of climate change we can start with our homes by building them so well, that they consume no or just a little energy like it is in low-energy houses. The process of climate change unleashed by the rapid rise of atmospheric greenhouse gas emissions, historically and today, has the capacity to completely change our every day life. Low-energy houses use thick insulation layers, but it this not necessarily a sufficient solution to reduce heat losses, since at some junctions it is difficult to achieve continuity in the thermal insulation layer. At these junctions thermal bridges typically occur, they have to be addressed or otherwise the increase in the amount of insulation of the building will just heighten the weight of thermal bridges in the overall heat-energy consumption [1]
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