Dual Glaze specializes in retrofitting and replacing aluminum and timber windows to improve your home’s comfort and efficiency. Our solutions reduce condensation, prevent black mold, minimize heat loss, and enhance thermal performance while creating quieter, healthier spaces. Backed by licensed fabricators, Dual Glaze upgrades single-glazed windows to double glazing with expert assessment of safety and suitability. As part of New Zealand’s leading double-glazing network, we deliver reliable, high-quality installations that elevate your home’s style, value, and energy efficiency.