UPVC Windows and Door Manufacturers in Bangalore - Dhanush Building Systems. Kommerling takes pride in delivering world-class uPVC windows and doors that provide exceptional protection for both homes and offices. From the very beginning, starting with the raw materials, our products are designed to conserve energy throughout their entire lifespan. This innate energy-saving feature not only contributes to a more sustainable environment but also earns them recognition as green and eco-friendly solutions. Our extensive range of uPVC doors and windows comes in a wide variety of sizes, shapes, and colors, ensuring that you find the perfect fit for your needs. Crafted to withstand the diverse and demanding climate of India, our products adhere to global standards of safety and quality. When you choose Kommerling, you're not just investing in windows and doors; you're investing in lasting protection and energy efficiency for your space.