Assertion: frost | /r/AtLocation | the bottom of the window
Facets:
value: with double pane energy efficient windows
type: OTHER
value: with very low temperatures
type: OTHER
Source sentences:
text: With very low temperatures outside, frost can appear on the bottom of the window even with double pane energy efficient windows because the air convection between two panes of glass ensures that the bottom part of the glazing unit is colder than the top part.