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Engelberg produces two flagship uPVC systems — Termo 80 and Termo 98. This article compares technical specifications, price gap, and which projects each system suits best.
The U-value measures how much heat escapes through a window. The lower the value, the better the window retains warmth.
An inaccurate measurement leads to windows that don't fit or leave large gaps. This guide explains step by step how to take an accurate window measurement.
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