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Window Performance

Articles about testing, validating, and improving window thermal efficiency, comfort, and real-world performance.

2 articles

Thermal scan of a modern window showing blue glass, red heat loss around the frame, and snowy exterior beyond

Window Efficiency Claims vs. Real Performance: Validate With Thermal Tests

New windows are sold on big promises about comfort, energy savings and warm rooms. On site, you are the one who has to prove those promises are real. Homeown...

October 12, 2026·6 min read
Close-up of a modern white-framed window with energy rating labels and sunlight through glass.

Verify Window Energy Claims: UK Labels, U-Values, BFRC Ratings, Certificates

Good window performance is not about glossy brochures; it is about numbers you can check and prove. With energy prices high and Building Regulations tighteni...

October 12, 2026·6 min read
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