At RetroFit Double Glaze, we transform your space into comfortable, energy-efficient, sustainable homes with our expert retrofit double-glazing services, upgrading existing timber windows in Melbourne. Choosing retrofit double-glazed windows over replacements offers a blend of comfort, efficiency, and style, particularly in Melbourne's dynamic climate. These windows outperform single-glazed units by significantly reducing heat loss in winter and heat gain in summer, thanks to their superior insulation capabilities—up to 73% improvement. They also reduce external noise by 70%, enhancing your home's tranquillity.