Triple Glazing – is it really worth the extra outlay?
Triple-glazed windows are more expensive than double-glazed windows. They are thicker and heavier, putting more strain on the hinges of opening sashes. Also, the more panes of glass that are fitted, the more obscured will be the view out. Insulation: better – but not that much better. Less of the sun’s heat will pass into the room through a triple-glazed window unit. This might be desirable in summer but it also means that you’ll benefit less from solar gain – e.g. after cool