Retrofit Double Glazing Dunedin are your Otago and local double glazing experts. We can retrofit existing Aluminium and Timber Windows to thermally reduce heat loss from your home. Changing from single glazing to double glazed windows also offers the opportunity to reduce noise and or add solar control to your home. All double glazed units are factory sealed and manufactured, with supporting warranties from Metro Performance Glass. Retrofit Double Glazing is a subsidiary of Metro Glass and are the largest Retrofit Double Glazing company in New Zealand. Contact us for a no obligation free quote, where we supply you the options to suite your home, from standard double glazing through to Low E, Sound Reduction and or Solar Control.