Engineered for performance
The Smartwin window system combines a timber interior with an aluminium exterior cladding, delivering passive house performance without compromising on aesthetics. The timber provides warmth and natural beauty inside, while the aluminium handles weather exposure outside.
With Uw values starting at 0.58 W/(m²K), these windows meet the most rigorous energy standards on the planet. Triple glazing with Swisspacer Ultimate spacers, premium Baltic pine interior, and aluminium exterior in any RAL colour.
Every window is manufactured by i2 in Latvia and delivered with full technical documentation, ready for installation.
Non-opening windows that maximize light and views. The slimmest sightlines and best thermal performance.
Configure →Versatile inward-opening windows. Tilt for ventilation, turn for full opening. The most popular choice for residential projects.
Configure →Large opening sliding systems for wide panoramic views. Space-saving operation with smooth gliding action.
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