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Double Glazing Window Installers Double-glazed windows can help you save money on energy bills. They are constructed with two glass panes that are separated by a spacer bar that is fitted with silica filters to help absorb moisture. You can find double glazing suppliers in local DIY stores and hardware stores. You can also ask your friends and family members for suggestions. Reputation Double glazing can increase the efficiency of your home's energy use while decreasing noise levels. However installi