At Afandecor we helped transform an apartment in the Puerta de Ángel neighborhood, in a building built in 1962, where we replaced 10 old windows with new PVC windows. Kommerling Eurofutur in white RAL 654. The project not only improved the aesthetics and comfort of the home, but also represented a significant leap in energy efficiency, sound insulation, and sustainability.
The client also chose to integrate Rolaplus motorized blinds from Kommerling In some rooms, a system that fits perfectly to the window, improves insulation and has the seal Greenline, a guarantee of environmental commitment.
- Kommerling Eurofutur Windows
The new windows feature state-of-the-art technology to ensure year-round comfort:
Offers:
- Window thermal insulation (Uw): from 0.91 W/m²K
- Thermal insulation profile (Uf): from 1.30 W/m²K
- Sound insulation: up to 45 dB
- Air permeability: Class 4
- Watertightness: up to E1650
- Wind resistance: up to Class C5
The choice of glass was adapted to each orientation of the home:
- Planistar One
With a south orientation, the aim is to avoid the entry of excessive heat in summer.
Offers:
- Light transmission: 72%
- Sun factor g: 0,38
- Thermal transmittance: 1.0 W/m²K
- Planitherm XN
For less bright areas it provides greater entry of natural light.
Offers:
- Light transmission: 81%
- Sun factor g: 0,60
- Thermal transmittance: 1.1 W/m²K
- In the bathroom, in addition, a choice was made Carglass glass with relief that provides privacy without losing luminosity.
- Kommerling RolaPlus Blinds
The client complemented the project with high-performance blinds that provide extra comfort:
Offers:
- Thermal insulation box (Uw): 0.79 W/m²K
- Sound insulation: up to 50 dB
- Air permeability: Class 4
- Watertightness: up to E1200
- Wind resistance: Pmax P3 = 3000 Pa
Depending on the location of each room, different solutions were installed: fixed, tilt-and-turn, and a sliding door in the bathroom.
After replacing the windows, the home saw a tangible improvement in its energy efficiency:
- CO₂ emission reduction: from 4,848.16 to 3,154 kg/year → 34,93% less.
- Non-renewable primary energy consumption: from 358.9 kWh/m² year to 233.6 → 34,96% savings.
- Heating and cooling demand: from 219.90 kWh/m² to 134.40 → 38,38% savings.
The end result is a more efficient, comfortable, and sustainable apartment, ready to enjoy greater well-being with significantly lower energy consumption.
