in the same, First of all, it is necessary to pay attention, is the heat transfer resistance coefficient, the higher it is, the better.
the Second is the number of cameras. If you are not severe cold, it is necessary to pay attention to the three-chamber profile. If in severe frost in your area, the element or very very noisy, it is worth installing a five-chamber profile.
is the thickness of the partition.
in General, manufacturers of window profiles that meet the above requirements for the production of almost everything. Therefore, when choosing a window profile, you can rely on taste sensations, in particular, design.
If you Are not a manufacturer yet, we recommend ASPAN Profile Technology to focus on profile Windows.