Eurocell has worked in partnership with Windowmaker to support the development of a new U-value and g-value calculator, designed to help fabricators meet the growing compliance demands of the Future Homes Standard and upcoming changes to newbuild regulations.
The calculator is part of Windowmaker’s existing compliance and quoting software, with Eurocell collaborating over the past two years to integrate its verified thermal performance data directly into the platform used by fabricators.
The launch comes as the industry prepares for a fundamental shift in how window and door performance is evidenced under future energy modelling frameworks, with a move towards more granular, product-specific calculations expected to replace today’s more standardised approaches.
Historically, fabricators were often able to rely on single calculations across multiple window configurations. However, under the Future Homes Standard and the transition to the Home Energy Model (HEM), individual U-value and g-value calculations will increasingly be required for each frame specification, significantly increasing the complexity of compliance.
To support this shift, Eurocell has spent more than two years working with Windowmaker to embed over 10,000 validated data points from across its product range into the system.
The calculator uses verified Eurocell performance data to automatically calculate U-values, g-values and frame factors, integrating directly into existing quoting workflows so calculations update instantly as configurations change.