Windows and window sills are essential building elements that affect energy efficiency, comfort, natural light, and overall appearance. On the buvnieks.com platform, users can find window manufacturers, suppliers, and installation professionals across Latvia. This category includes PVC, wooden, and aluminum windows for residential and commercial buildings. Energy-efficient windows with multi-chamber profiles and advanced glazing solutions are widely available. Custom-size and design windows, including panoramic and sliding systems, are also offered. The category covers window installation, adjustment, and replacement services. Interior and exterior window sills made of PVC, wood, stone, and composite materials are included. The platform allows comparison by material, thermal performance, and price. These services suit new construction and renovation projects. High-quality windows reduce heat loss and noise. As a result, buildings gain comfort, efficiency, and long-term value.