Are ventilation windows easy to clean?
In a ventilation window, there is a little more window glass to clean. Otherwise [...]
Do the inner faces of the panes get dirty?
In time a little dirt may accumulate at the bottom of the window. Just vacuum-cl [...]
How do I maintain and adjust my ventilation windows?
Generally speaking, the windows need little maintenance and cleaning. Just like [...]
Will I need to air my home when I have ventilation windows?
Actually, you will never have to ventilate manually. The windows will do it for [...]