What it is
Insulated PV Glass Units (IGU) combining photovoltaic functionality with high-performance glazing. Multi-layer glass construction integrates PV cells within insulated units, delivering both on-site energy generation and advanced thermal performance. Designed for façades, curtain walls and skylights in energy-efficient buildings.
Best for
High-performance commercial and residential façades, skylights and atriums.
Curtain wall systems requiring both insulation and energy generation.
Projects targeting low-energy, NZEB or net-zero standards.
Architects and façade engineers optimizing both building physics and energy output.
Key features / benefits
Why is it a high-performance façade solution?
Dual-function element: insulation + energy generation
Optimized building envelope performance (thermal + solar control)
Customizable optical and thermal parameters
Compatible with standard curtain wall systems
Supports compliance with modern building regulations and ESG targets
Certified to the relevant building norms
Material composition
Let’s break down what makes this product.
Outer glass pane (tempered or heat strengthened, optional coatings)
Inner laminated glass with integrated PV cells
Spacer with desiccant (aluminium or warm-edge options)
Inert gas filling (argon / krypton) for enhanced insulation
Lamination foil (structural + safety performance)
PV Cells (layout adjusted for transparency and output)
Junction box & connector
Performance parameters
U-value (thermal transmittance):
Typically 0.5 – 1.1 W/m²K depending on configuration (double / triple glazing, gas fill, coatings)g-value (solar factor):
Typically 0.10 – 0.40 depending on PV cell density and coatingsLight Transmission (LT):
Typically 5% – 40% depending on cell spacing (transparency level) and glass specification
Estimated lifespan
How long can you expect this to last ?
Product warranty typically covers 10–15 years, with an expected lifespan beyond this period.
Product Power Warranty covers 25–30 years, aligned with industry standards and driven by the natural degradation of crystalline silicon.
Extended warranty options available for premium configurations.
Maintenance needs
Designed for long-term, low-maintenance operation.
Periodic inspection of PV system and electrical connections.
Standard façade cleaning procedures as for insulated glazing units.
Replacement of units if required, in line with façade system design.
Fire or weather ratings
Class B s1 d0 fire rating (for laminated components within the unit).
High resistance to wind loads (depending on IGU configuration)
Thermal and solar performance compliant with modern façade standards
Salt mist & Ammonia resistance
Certification
IEC 61215
IEC 61730
IEC 61853
IEC 61701
EN 13501
Section Tag