Passive Houses

High indoor comfort with minimal energy consumption.

Passive houses are extremely energy-efficient buildings that provide high indoor comfort with minimal energy use. To obtain Passive House certification, the chosen windows must be energy-efficient and equipped with triple glazing with a Ug coefficient of 0.5 W/m²K and a total thermal transmittance coefficient Uw ≤ 0.8 W/m²K. The lower this value, the better the thermal efficiency of the window. The performance of the ADF Smart Alu window meets the requirements for passive houses.

Energy performance:

thermal transmittance up to Uw = 0.75 W/(m²K)

The ADF Smart Alu window has a thermal transmittance coefficient of up to Uw = 0.75 W/(m²K). This coefficient defines the level of heat transfer and therefore the window’s thermal insulation performance. It quantifies the overall heat loss of the window. The lower the Uw value, the better the insulation, and consequently, the higher the performance.

Acoustic comfort:

sound insulation up to 47 dB

The ADF Smart Alu window provides sound insulation of up to 47 dB. The acoustic insulation level of a window is essential for reducing outside noise and creating a calm, comfortable indoor environment. Measured in decibels (dB), higher values indicate superior sound insulation. High-performance acoustic windows are particularly valuable in urban areas or near high-noise sources such as busy streets, railways, or airports.

Security:

burglary protection up to RC 2

The ADF Smart Alu window offers burglary protection up to RC 2. This rating refers to the ability of the window to withstand forced entry attempts and is classified according to European standards. An RC 2-rated window must resist intrusion attempts carried out by an opportunistic burglar using simple tools such as screwdrivers, pliers, and wedges for at least 3 minutes. The window features multiple anti-burglary locking points which, together with their distribution along the frame, enhance resistance to forced entry.

Triple or double insulating glazing

with DuraTherm warm spacer

The glazing unit of the ADF Smart Alu window can be 52 / 48 mm (triple glazing) or 32 / 28 mm (double glazing). Since glass represents about 80% of a window’s surface, its thermal and acoustic insulation properties depend largely on glazing quality. Triple glazing consists of three panes of glass forming hermetically sealed chambers filled with inert gas (argon), joined by a spacer bar. The spacer ensures airtightness and prevents heat transfer between interior and exterior. For maximum efficiency, the spacer material must have very low thermal conductivity. ADF windows are equipped as standard with the DuraTherm “warm” spacer.

3 sealing gaskets.

Enhanced airtightness!

Sealing gaskets prevent air and water vapor from passing through the gaps between sash and frame. They help reduce heat loss through the windows, improving the home’s energy efficiency (preventing unwanted thermal transfer, keeping warmth inside during winter and coolness during summer). The ADF Smart Alu window is designed with 3 sealing gaskets for superior thermal insulation.

82 mm. Large profile depth.

The 82 mm profile depth of the ADF Smart Alu window is the distance measured from the interior face to the exterior face of the frame. Also known as the window chassis, the profile depth is a visible element that directly impacts the energy efficiency of the window. A greater profile depth allows the installation of thicker glazing units, improving the window’s thermal performance.

2 mm reinforcement.

Standard galvanized steel stiffening.

Reinforcement involves inserting steel profiles into the PVC structure to stabilize it, providing the window with superior strength and durability. The reinforcement consists of a specially shaped galvanized steel profile inserted into the reinforcement chamber and secured with self-tapping screws. For the ADF Smart Alu window, we use 2 mm steel reinforcement.

Anti-burglary hardware,

safety and durability.

The hardware includes the full system of components on the sash and frame that allow the window to be opened and closed. Hardware quality strongly influences the reliability of the windows and provides protection against break-ins. The ADF Smart Alu window comes standard with anti-burglary hardware (multiple locking points that firmly secure the sash to the frame), easy-to-operate handles, safety systems against incorrect use, and special features that enable efficient and controlled ventilation without compromising security.