Leading Suppliers and Installers of uPVC and Aluminium Windows and Doors.

The Climatec Group includes Climatec, Alu-tec, and Climatec Home Improvements. From our headquarters in Southend-on-Sea, we provide high quality windows, doors, and conservatories throughout Norfolk, the South East and the Home Counties. We are specialists in both aluminium and uPVC, providing product knowledge and industry insight in the trade, commercial and residential sectors.

White uPVC bay window

Visit our uPVC Trade Site

Grey aluminium bifold door

Visit our Aluminium Trade Site

White uPVC bay window interior view

Visit our Home Installation Site

Trusted across the fenestration industry

BFRC Accreditation Secured By Design Accreditation CE Accreditation BSI Accreditation

Industry accreditations speak volumes about a company’s professionalism. The Climatec Group is a member of several third-party industry bodies and our products are developed and tested to ensure they meet the latest standards in terms of safety, security, and energy efficiency.

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Why you should work with the Climatec group


Trading For Over 25 Years

The Group has over 25 years industry experience and knowledge. From the latest manufacturing techniques to the newest product developments, we always stay up to date.

Windows and Doors

Extensive product range

From large scale commercial entrance doors to residential casement windows, our products are all high performing and suitable for a range of applications.


Over 80 expert employees

The Climatec Group have a dedicated team of industry professionals. We can provide information and help to ensure that your project runs as smoothly as possible.


Modern 50,000sqft Factory

From our state-of-the-art factory, we produce only the best double glazing products. Using high-tech machinery, our products are always first-class.


Fantastic Industry Knowledge

We use the latest manufacturing processes to create industry renowned products. And our installation techniques are modern and efficient.


Focus on customer service

We always go the extra mile to ensure our customers are satisfied. From after sales advice to marketing support, we’ll help you to success.

Based in Essex, servicing East Anglia & the Home Counties

The Climatec Group is conveniently located in Southend-on-Sea. From our headquarters and factory, we supply and install our high quality products across an extensive geographical area.

We serve homeowners across Essex and for our trade and commercial supply service we cover approximately 250 miles from Norfolk to Hampshire and everywhere in between.