​We are a family based company, built around our passion of creating sustainable living spaces and comfortable homes. Our goal is to operate with integrity , consistency and a commitment to continued improvement.

Ecostar Double Glazing, based in Dandenong South, is your go-to company for UPVC Double Glazed windows and doors in Melbourne. Our environmentally friendly products offer superior energy efficiency, surpassing official energy ratings and reducing both energy bills and noise. With no sub-contracting and an award-winning after-sales service, our installation is second to none. Choose Ecostar for UPVC windows and doors that will enhance your home's comfort and aesthetics.

Thermotek Windows Pty Ltd is your premier choice for energy-efficient windows and doors. We specialize in high-quality, energy-efficient, durable, stylish products for residential properties. With our extensive range of designs and materials, we offer customized solutions to enhance your space. Experience professional installation and exceptional customer service. Get top-notch products and reliable expertise. For more, visit our website

At Astellite, we are renowned for our custom-made uPVC double glazed windows that combine quality with elegant design. Our skilled local craftsmen in Melbourne meticulously handcraft each window to exceed Australian standards and suit the local climate. Using the best window material in the world, Aluplast uPVC from Germany, we offer a range of products including stacker doors, tilt & turn windows, bifold doors, and more. Experience exceptional customer service and craftsmanship with Astellite. Serving Dandenong and surrounding areas.

SEM Windows Pty Ltd, located in Dandenong South, is a leading supplier and installer of high-quality aluminium windows and doors. Our expertise extends to timber windows, glass repairs, and replacements. With our commitment to excellence and attention to detail, we provide a seamless experience for our customers. From elegant designs to durable solutions, we offer a wide range of options to enhance the beauty and functionality of any space. Experience the perfect blend of style and craftsmanship with SEM Windows Pty Ltd.