The many benefits of the Smart Alitherm Heritage Window

Versatile and stylish, Smart Alitherm Heritage windows are designed to offer a modern aluminium replacement to the steel window.  In fact, the similarity is so close that the window will satisfy the exacting requirements of any ‘heritage’ restoration project, making it perfect for listed buildings and homes of character.

Style and Substance

Replicating the popular Crittall metal framed windows which have seen a resurgance in popularity over the past decade, Smart Alitherm Heritage windows offer a strong architectural look which takes its influence from the Art Deco era.  Providing a chic up-to-date solution for older, more traditional properties, their timeless quality means they look equally at home in a contemporary setting - think cool industrial vibe or modern minimalism.


The slim window design is available in single and dual colour options to match interior and exterior colour schemes while aluminium flat external bars can be fitted to the windows to further add to the authentic feeling of character and add interest to larger expanses of glazing.

But not relying on good looks alone, Smart Alitherm Heritage windows also boast exceptional functionality.  As well as offering superior quality and long-lasting durability, they combine good thermal performance ensuring that a consistent temperature is maintained in the home throughout the year, with high security locks helping to ensure homeowners feel safe and protected.

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