How to ensure standard thermally-broken windows are positioned to succeed.

Full insulation performance can be achieved even when the 25mm air gap is eliminated.

It's time to realise that lack of ventilation, not airtightness, is the new enemy.

How can we judge a building's performance when all testing methods have limitations?

The performance of windows can be greatly improved by ensuring insulation, weathertightness and airtightness layers connect.