Choose Internorm for low U-values

Internorm window and door systems are known for their high energy efficiency. Their superior thermal retention is one of the main reasons why they are so loved by homeowners across Northern Ireland. We only choose the best products to supply and install, that is why we have chosen Internorm.

Internorm’s window and door systems achieve U-values as low as 0.6 W/m2K, which far exceeds the industry average. All products have test certifications available from leading testing centres such as IFT Rosenheim. All products have multi-point security locking as standard and far exceed all security standards.

This means your home will feel comfortable all year round, no matter how bad the weather gets outside. As a result, you will make long time savings on energy bills due to their systems’ efficiency.

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