Dämmverluste

Dämmverluste, also known as heat losses, refer to the unwanted transfer of heat from a warmer area to a cooler area. In the context of buildings, this typically means heat escaping from the interior to the exterior during colder months, or heat entering the interior from the exterior during warmer months. These losses are a significant factor in energy consumption and thermal comfort.

The primary mechanisms for heat transfer are conduction, convection, and radiation. Conduction is the transfer of heat through direct contact, such as heat passing through walls or windows. Convection involves heat transfer through the movement of fluids, like air currents carrying heat away from a warm surface or through drafts. Radiation is the transfer of heat through electromagnetic waves, such as the sun's rays warming a room or heat radiating from a warm object to a cooler one.

In buildings, dämmverluste occur through various components. The building envelope, including walls, roofs, floors, windows, and doors, are the main pathways for heat to escape or enter. Poorly insulated areas, thermal bridges (areas with higher thermal conductivity than surrounding materials), and air leaks or drafts contribute significantly to these losses.

Understanding and minimizing dämmverluste is crucial for energy efficiency. Effective insulation, high-performance windows and doors, and airtight construction are key strategies to reduce unwanted heat flow. By minimizing these losses, buildings require less energy for heating and cooling, leading to lower utility bills and a reduced environmental impact.