Ideally uPVC windows must be manufactured in certified manufacturing units to ensure quality. The manufacturer must have continuous R&D practices to improve the product features and also to offer the latest and innovative solutions. They must also offer customization to suit different weather conditions. Additionally, an Ideal brand should offer lead-free profiles with UV protection, effective insulation, and a wide range of design options. Since the uPVC profiles and glass panes are the main components of uPVC windows, the uPVC profiles must have compartments reinforced with galvanized steel, and the glass panes must be of good thickness. They must offer a wide range of products that suit different requirements. They must also offer installation through reliable fabricators. A reputed and well-established brand will also offer a good warranty.
One of the brands gaining popularity for their high quality uPVC windows is GreenFortune. Their products are widely used by architects because of their brand value, prompt response, and reliability.