Home Solution Retrofit Window Coating System
United Kingdom

Retrofit Window Coating System

Sustainable building materials & equipment

Enhancing thermal insulation and energy efficiency in existing buildings through innovative window coating technology.

Contact

Logo

Window Insulation Ltd

Company Established Year

Since 2021

Who is this solution for

Business, Govt

Info

Available

To sell

Project Status

In commerce

Looking to expand internationally

Yes

Doing business in

worldwide

Awards and certifications

Ten-Year Warranty Assurance

2021

Guarantee labeling high confidence and long-term product performance.

University Independent Validation

2022

Demonstrated thermal resistance improvement up to forty percent.

Innovative Retrofitting Recognition

2023

Awarded for low-disruption, sustainable window lifecycle extension.

Product description

Retrofit Window Coating System is a cutting-edge solution that revolutionizes the way we approach building sustainability by enhancing thermal insulation and energy efficiency in existing structures. This innovative technology involves applying a thin, transparent film on glazed windows to significantly improve their performance.

The key features of this system include:

  • Enhanced thermal resistance by up to 40%
  • Blocking 99% of harmful UV rays and 83% of infrared radiation
  • Reducing condensation by up to 50%
  • Improving comfort and reducing mold risk
  • Independently validated by UK and international universities
  • Comes with a ten-year warranty and licensing network of trained installers
  • Scalable and cost-effective solution for improving building sustainability

This technology is ideal for a wide range of applications, including domestic homes, commercial buildings, and transport infrastructure, offering a sustainable and eco-friendly alternative to full window replacement.

Key characteristics and environmental benefits

The Retrofit Window Coating System offers a range of key features and benefits that make it a game-changer in the field of building sustainability:

  • Enhanced Thermal Insulation: By improving thermal resistance by up to 40%, this system helps reduce energy consumption and lower heating and cooling costs.
  • UV and Infrared Radiation Blocking: Blocking 99% of harmful UV rays and 83% of infrared radiation helps protect interior spaces from sun damage and improves occupant comfort.
  • Condensation Reduction: By reducing condensation by up to 50%, this system helps prevent mold growth and maintain a healthier indoor environment.
  • Independently Validated: The technology has been rigorously tested and validated by reputable institutions, ensuring its effectiveness and reliability.
  • Long-Term Warranty: With a ten-year warranty and a network of trained installers, customers can have peace of mind knowing their investment is protected.
  • Scalable and Cost-Effective: The system offers a scalable and cost-effective solution for improving building sustainability without the need for full window replacement.

About the Company

Window Insulation Ltd is a UK-based cleantech SME founded in 2021 in Birmingham. Its patented retrofit coating technology improves the thermal, infrared, and UV resistance of existing windows, helping reduce heat loss and condensation by up to 40%. This affordable, low-disruption solution extends the lifespan of existing glazing, avoiding the carbon-intensive window replacement process and curbing manufacturing CO₂ emissions. Widely validated via university tests and backed by a 10-year warranty, Window Insulation supports energy efficiency in residential, commercial, and public infrastructure settings. By providing a sustainable retrofit alternative, it enables cost-effective carbon reduction, enhances indoor comfort, and contributes to the built environment’s transition toward greener practices.

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