Misted Sealed Units It is not only unattractive however, it could be a sign of a serious issue in the window's insulation. Upgrade to energy efficient windows that have high-performance features to regulate humidity and reduce the risk that condensation will develop within the glass panes. <img width="422" src="https://www.repairmywindowsanddoors.co.uk/wp-content/uploads/2018/1
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