Toza windows are a upvc & Double Glazing/Sealed unit manufacturer to the trade & Public.Our Missiontoza windows aim is to provide an efficient, high quality, cost effective service - first time, on time, every time.toza windows specialise in the provision of glass, glazing, UPVC windows, doors, conservatories and aluminium shopfronts to members of the trade and public.toza windows is a member of fensa We offer customers the peace of mind required when purchasing double glazing that they are receiving products which have high security, are thermally efficient, and that toza windows will continue to be on hand to support these products in the future.