Fereastră PVC KF320 Studio — Triplu, Passivhaus

The Internorm KF320 Studio PVC window features triple glazing and PassivHaus certification, delivering exceptional thermal performance with a Uw value down to 0.65 W/(m²K).

The KF320 Studio range from Internorm exemplifies premium PVC window engineering, designed for buildings with the highest thermal performance standards. Manufactured in Austria and PassivHaus certified, this window is engineered for ultra-low energy homes where heat loss must be minimised to the absolute limit. The advanced PVC profile incorporates a robust construction that delivers exceptional airtightness and ensures longevity, meeting the stringent demands of certified passive house projects.

The triple-chamber design combined with triple glazing makes KF320 Studio a thermal barrier of exceptional merit. Each glass pane features low-emissivity coating that reflects interior heat in winter, while a Uw value reaching 0.65 W/(m²K) places this window among the highest performers available. The sophisticated multi-layer sealing system ensures that every element of the profile contributes to thermal resistance. This synergy between profile depth, glass specification, and installation methodology delivers the certified performance passive house requires.

Sonic isolation is equally impressive, with acoustic insulation Rw rated between 34–45 dB, creating a serene environment indoors even in urban settings with significant traffic noise. The RC2 break-in resistance class adds an extra layer of security, providing peace of mind alongside thermal comfort. Professional installation protocols ensure that PassivHaus-certified performance translates seamlessly from specification to reality, eliminating thermal bridges and air leakage points that could compromise efficiency.

The visual language of KF320 Studio reflects understated elegance — linear profiles and refined proportions integrate naturally into both contemporary and renovated period buildings. Size flexibility and multiple configurations allow seamless architectural adaptation, while the premium PVC finish maintains its immaculate appearance with minimal maintenance over many years.

This is the window for passive houses, deep energy renovations, and homeowners committed to long-term comfort and operational savings. PassivHaus certification is not marketing — it is independent verification that thermal performance meets and exceeds the world's strictest energy standards. For continental European climates, KF320 Studio significantly reduces heating demand, transforming living spaces into permanently comfortable, efficient environments.

A Uw value of 0.65 W/(m²K) places the KF320 Studio in the top tier — significantly better than modern building codes. Heat loss through the window is minimal, and in PassivHaus-certified or NZEB homes, energy bill reductions can reach 30% compared to standard windows. The triple glazing with warm edge spacers and argon gas delivers this performance.

The KF320 Studio achieves sound insulation of 34–45 dB, reducing traffic noise by 50–65% — in practical terms, it's like moving the street 300 meters away. Three glass layers with gas-filled cavities and the quality PVC profile absorb vibrations, delivering genuine quiet, not cosmetic relief. You'll notice the difference immediately, especially at night.

RC2 (Resistance Class 2) means the window resists active break-in attempts with ordinary tools for at least 3 minutes. The KF320 Studio's hardware includes multi-point locking and triple glazing that significantly complicates an intruder's effort — it's not impenetrable, but frustrating enough that they typically move on. It's not armored glass, it's real certified protection, ideal for modern residential areas.

Absolutely — the KF320 Studio is pure PVC profile available in standard white, but Internorm offers a spectrum of colors and finishes at order time. You can choose tinted glass, solar control film, or frosted for privacy. Every window is custom-sized and fitted to your opening — nothing is off-the-shelf, each one is built for your home.

Installation is critical — it's not just securing the frame, it must be thermally isolated and sealed to Internorm standards and PassivHaus directives. We recommend Internorm-certified installers familiar with the details: open-wall mounting, five-sided sealing, polyurethane foam insulation. The 10-year warranty covers material and workmanship defects; with proper installation and minimal maintenance (annual drain cleaning), the window will last 30+ years.

Maintenance is minimal — annual cleaning with water and neutral detergent, clearing drains (small channels at the bottom) of debris and leaves, and occasional lubrication of hardware. PVC doesn't split, warp, or need painting. Rare issues: seals may degrade after 25–30 years (normal wear), and moisture inside the frame happens only if drains are blocked for years. With basic care, there's nothing to worry about.