These products challenge the traditional distinction between windows and doors by providing flexibility of entrance and egress while also making a case for visibility and natural light. From operable ...

Designed for energy-efficient, commercial and multifamily buildings, EFCO 2700 Series high thermal performance, ...

Double-hung windows are slightly more expensive, easier to clean and ventilate, and less energy-efficient. Single-hung windows have only one operable sash, which is the framed glass panel that moves ...

Standard window types include double-hung, casement, and picture windows, each with distinct pros and cons. Premium and specialty windows like bay, bow, or skylights can add architectural interest but ...