For many years we hear terms such as energy-efficient windows or passive windows. That’s a pretty broad term, because not every window must be it in reality. Most are PVC windows, whose main task is to good thermal insulation of the house or room. Modern construction requires that the windows were characterized by good thermal transmittance. Let us assume that we hold similar windows. What are the benefits? First of all – we have a chance to save money because it reduces the costs required to heat the room. Second…
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