IzoKlass is a premium PVC window system featuring a robust construction and superior mechanical strength, designed for projects demanding top-tier energy performance and technical durability. Built on German Class A profile systems, VEKA SOFTLINE 82 MD, and equipped with WinkHaus ActivPilot Plus hardware – tested for 20,000 cycles and loads of up to 150 kg, IzoKlass delivers exceptional energy efficiency, long-lasting durability, and precise operation for generations. IzoKlass is a one-of-a-kind investment to pass down to your grandchildren, suitable for even the most demanding applications: from budget-friendly homes to green buildings meeting nZEB standards.
IzoKlass: Robust Windows for the Future, nZEB-Standard Performance, German Quality
IzoKlass is a premium PVC window engineered for those who demand superior energy efficiency and uncompromising durability. With recognized German craftsmanship and a sturdy build, featuring VEKA SOFTLINE 82 MD profiles and WinkHaus ActivPilot hardware, the IzoKlass window delivers consistent thermal comfort, significantly cuts energy costs, and eliminates the need for repairing insulating windows. Its precise operation and guaranteed mechanical strength make IzoKlass a one-of-a-kind investment that adds real estate value and inspires confidence, ready to serve generations to come. Fully compliant with nZEB standards and green‐building requirements, IzoKlass becomes an essential element of any modern passive home: an exceptional technical choice to pass on to your grandchildren, yielding genuine savings, peace of mind, and comfort for years on end.
By choosing IzoKlass, you get security, steady thermal comfort, and tangible energy‐bill savings with zero maintenance costs—while its precise operation and mechanical robustness ensure long-term durability through a single investment in high-quality windows.
Net‐zero energy performance
Proven top-tier performance, environmental responsibility, and reduced energy costs
Timeless quality
Robust profiles, reliable hardware, premium accessories, and ultra-durable colors
Investment for the future
Reliable performance, an always-like-new appearance, bright spaces that never go out of style, and increased property value
German precision
VEKA profiles, Winkhaus hardware, Urban GmbH manufacturing technology, IFT certified
Safety on all fronts
Trusted brands, anti-burglary systems, children kept safe, peace of mind guaranteed
IzoKlass Windows: German Quality
nZEB-Standard Energy Efficiency for Savings and Comfort
With the premium IzoKlass window, users enjoy lower energy bills and consistent comfort, generation after generation. Window installers and real estate developers who choose IzoKlass strengthen their competitive edge through superior thermal performance—ensuring a pleasant indoor climate in every season and contributing to the long-term sustainability of nZEB buildings and green projects.
IzoKlass delivers outstanding thermal insulation thanks to its VEKA SOFTLINE 82 MD Class A profile system, featuring an 82 mm construction depth and seven-chamber frame, combined with triple sealing gaskets and the option of a Multitech G warm-edge spacer. The triple-glazed window, up to 52 mm thick, maximizes insulation, and the profile’s design achieves top thermal coefficients: Uw ≤ 0.79 W/(m²K) and Uf = 1 W/(m²K). These results are verified and certified by IFT Rosenheim under real-world testing, ensuring maximum energy efficiency and minimization of thermal bridges.
The IzoKlass PVC window delivers energy savings and guaranteed comfort, making it the ideal nZEB-standard solution for energy-efficient buildings, passive homes, green projects, and any modern residential development. German engineering excellence ensures that IzoKlass maintains its quality and efficiency year after year.
Premium, German-Precision Windows
The premium PVC windows from IzoKlass embody the excellence of German engineering, delivering guaranteed reliability and functionality for every project. Every component is meticulously checked and tested: from the Class A VEKA SOFTLINE 82 MD PVC profiles—renowned for their stability and superior thermal insulation—to the WinkHaus ActivPilot Plus hardware, rated for 20,000 cycles and loads up to 150 kg—nothing is left to chance. Manufacturing takes place on automated Urban GmbH machinery, ensuring consistently outstanding quality, while IFT Rosenheim certification confirms IzoKlass’s performance and durability under real-world conditions.
IzoKlass’s excellence shows that well-crafted products stay relevant for generations. The galvanized steel reinforcement and optimized profile geometry combine mechanical strength with timeless aesthetics. As a result, IzoKlass windows retain their shape and performance over the long term—no warping, no compromise. They’re a prime example of craftsmanship built to last and to be passed down: a smart investment in high-quality insulating windows that genuinely add value and deliver constant comfort, precise operation, and security for years to come.
Long-Term Real Estate Value Investment
IzoKlass windows are a long-term investment that directly translates into increased property value. With the ability to craft window units up to 2.5 meters tall and hardware rated to support up to 150 kg, IzoKlass opens the door to generously sized glazing that never goes out of style. This expansive view to the outside transforms any space and boosts both the appeal and market value of your property.
Spectral ultramatte finishes – whether textured or subtly lustrous—blend seamlessly with any contemporary architectural style, and our carefully curated color palette ensures compatibility with every façade, regardless of evolving trends. IzoKlass windows maintain that “brand-new” look for years without requiring maintenance or repairs. Trusted names like VEKA and WinkHaus guarantee the highest quality and durability, giving your project a clear competitive edge.
By including IzoKlass windows in your portfolio of energy-efficient solutions, you’re not just selling premium PVC frames—you’re building a reputation as a reliable, high-end provider for discerning clients. It’s about delivering value and responsibility that lasts: every investor knows a building outfitted with certified windows—combining cutting-edge technology and premium finishes—retains its market value over time and maximizes overall property worth. Large, light-filled panes, flawless aesthetics, and consistent energy efficiency make IzoKlass the choice that elevates any developer’s or architect’s brand image and ensures a sustainable ROI for both businesses and homeowners.
Durable Windows for Generations
IzoKlass’s reliable windows are engineered to withstand heavy use and the test of time without losing performance or aesthetic appeal. The robust VEKA SOFTLINE 82 MD profile, reinforced with galvanized steel, ensures the frame never warps and maintains the rigidity needed for large glazed areas. WinkHaus ActivPilot Plus hardware—tested for 20,000 cycles and loads up to 150 kg—delivers flawless operation, while its 3-in-1 mechanisms (misoperation protection, sash lifter, and position lock) add extra safety and comfort without wearing down after repeated openings and closings.
Spectral finishes provide stable, UV-resistant color to the PVC frames, so the surfaces won’t fade, peel, or lose their “like-new” look for decades. Ergonomic handles require minimal effort to operate, offering a smooth, gentle user experience without straining the hardware. Multiple seals and the steel structure grant resilience in extreme conditions, preventing damage and ensuring the same level of interior comfort year after year.
Thanks to these features, IzoKlass’s insulated-glass windows require no repairs or maintenance over time. They remain fully functional and visually impeccable, generating significant long-term savings and giving you the peace of mind that this is an investment to pass on to your grandchildren.
IzoKlass windows are the perfect choice for anyone building with the future in mind, blending timeless benefits with top-tier technical performance. This combination of strength and precision adds real value and provides a clear competitive advantage in the market: you’ll offer your clients premium windows backed by energy efficiency, unmatched reliability, and the promise of a lasting legacy.
A Window for Safety and Confidence in the Future
IzoKlass windows provide peace of mind and long-term assurance through exceptional airtightness, ensured by precise installation from our certified partners. In harsh weather conditions, IzoKlass window keep your indoors protected, preventing any water or cold-air infiltration. The standard anti-burglary protection is already high, and optional RC3 upgrades, paired with a lockable handle, guarantee that your home remains a secure space. Optional multi-position ventilation with an intermediate-position lock lets you air out your house without compromising security or relying on flimsy mechanisms.
Every premium IzoKlass window is engineered for safe use and enhanced functionality, since it’s a fully integrated, precision-tested system. By choosing PVC windows built on VEKA profiles with an 82 mm construction depth and 3 mm-thick walls, you’re making a decision that brings lasting reassurance: you’re passing down a legacy of security and durability, not just a promise.
IzoKlass windows represent the guarantee of an outstanding system that combines consistent performance with unmatched reliability. You benefit from renowned brands, and every detail is rigorously inspected to meet strict quality standards, so each delivered window provides guaranteed operation and absolute comfort for years to come. As a result, IzoKlass’s efficient windows stay relevant and appealing: quality remains evergreen, and well-crafted products preserve both value and functionality for generations.
Are you looking to include IzoKlass in your construction projects?
Izotec Group manufactures reliable windows for projects across Romania and Europe, offering full B2B support. We use IFT Rosenheim–certified VEKA profile systems in an automated production process with Urban GmbH machinery, ensuring precision and rigorous quality control. Our reseller partners receive dedicated technical assistance and predictable delivery schedules, receiving products of true value that are easy to recommend and integrate into any project—whether residential homes or mixed-use developments. We emphasize durability, reliability, and ongoing guidance so that every window we produce delivers long-term confidence and performance.
Choose a partnership with purpose and position yourself as a supplier of complete window solutions. Together, we can create projects that combine safety, comfort, and sustainable real estate value—from budget-friendly homes to nZEB green buildings. Request a personalized quote and discover how IzoKlass windows can elevate your PVC joinery portfolio into a benchmark of German quality, durability, and innovation.
Technical Details
Choose IzoKlass insulated‐glass windows and enjoy top‐level thermal insulation, durable solutions, and superior quality.
