energy rating here in California. The majority of window manufacturers satisfy this requirement because it is not too difficult to obtain these minimal ratings. For the greatest energy savings, a discerning buyer of dual-pane windows would be prudent to select a window that surpasses these ratings...
7) Space-saving design, because the door leaf opens parallel to the static pane, instead of opening into the room, and their large size allows for plenty of light. 8) Our company has been specializing in manufacturing and exporting windows ...
7) Space-saving design, because the door leaf opens parallel to the static pane, instead of opening into the room, and their large size allows for plenty of light. 8) Our company has been specializing in manufacturing and exporting window...