+353 83 438 6161 | info@mywarmhaus.ie | Meath
A Passivhaus-certified window for Irish homes
Zero|90 is a 90mm uPVC window system built for the highest standards of energy efficiency, comfort and security. It is Passivhaus-certified and Secured by Design accredited, with U-values as low as 0.70 W/m²K with triple glazing.
Despite its 90mm depth, a Zero|90 window keeps the same slim, symmetrical sightlines as a standard 70mm window, so you get top performance without bulky frames. WarmHaus supplies and installs Zero|90 across Navan, Meath, Dublin and Leinster.
Casement and Tilt & Turn styles
Casement windows: configured with a wide variety of fixed and opening sashes, suitable for new builds and retrofit projects.
Tilt & Turn windows: ideal for larger openings, with a fully opening sash or a tilted position for controlled ventilation, depending on the handle position.
Why choose Zero|90?
Passivhaus performance for everyday Irish homes:
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U-values as low as 0.70 W/m²K with triple glazing
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Noise reduction of up to 42 decibels
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Secured by Design accredited and PAS24 tested
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Same slim sightlines as a standard 70mm window
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Fully recyclable, a sustainable window choice
Installed properly, from start to finish
A high-performance window needs an installation to match. Our team measures accurately, prepares each opening properly, and seals, insulates and finishes every window with care. We protect your home while we work and leave it clean when we are done.
Zero|90 Triple Glazed Windows FAQs
