Sustainable Windows & Doors

Combining German Engineering with Indonesian Craftsmanship for Quality Living

Explore Now
Get Started

About Wohnraum

Leading in sustainable windows and doors.

A series of large rectangular windows with a grid-like pattern are prominently displayed on the side of a building. The window frames are green and reflect an outdoor scene, including a blurred view of a lake or sea and some trees. The building has a shingled roof and is situated in a serene, natural setting.
A series of large rectangular windows with a grid-like pattern are prominently displayed on the side of a building. The window frames are green and reflect an outdoor scene, including a blurred view of a lake or sea and some trees. The building has a shingled roof and is situated in a serene, natural setting.

150+

15

Trusted by homeowners

and architects.

Our Services

Discover premium windows and doors designed for energy efficiency and lasting quality.

A section of a building facade featuring two windows. The upper window has a wooden frame and is reflecting tree branches. The lower window, also with a wooden frame, includes a decorative green glass pane and a small louvered vent on the side.
A section of a building facade featuring two windows. The upper window has a wooden frame and is reflecting tree branches. The lower window, also with a wooden frame, includes a decorative green glass pane and a small louvered vent on the side.
A pair of green wooden doors with decorative panels and two vertical windows. Outside, a reflection reveals a busy street scene with people, a tree, and a brick building with large windows.
A pair of green wooden doors with decorative panels and two vertical windows. Outside, a reflection reveals a busy street scene with people, a tree, and a brick building with large windows.
Innovative Solutions

We provide tailored solutions that enhance comfort and sustainability for your living spaces.

Quality Craftsmanship

Experience the perfect blend of German engineering and Indonesian craftsmanship in every product.

Join Our Sustainable Journey

Stay updated on energy-efficient solutions

Gallery

Explore our premium windows and doors showcasing craftsmanship.

A small rectangular window set in a textured white wall. The window has a green frame and is topped with a decorative wooden canopy. A black drainpipe runs vertically next to the window. To the right, there is a shaded area with a green roof supported by metal framework.
A small rectangular window set in a textured white wall. The window has a green frame and is topped with a decorative wooden canopy. A black drainpipe runs vertically next to the window. To the right, there is a shaded area with a green roof supported by metal framework.
Open windows are part of a modern building design that features clear glass panels and dark-colored frames. The reflection of the sky is visible in the glass, adding a vibrant touch to the structure. The architecture includes clean lines and a minimalist aesthetic with some traditional influences noticeable in the window design pattern.
Open windows are part of a modern building design that features clear glass panels and dark-colored frames. The reflection of the sky is visible in the glass, adding a vibrant touch to the structure. The architecture includes clean lines and a minimalist aesthetic with some traditional influences noticeable in the window design pattern.
A series of windows with blue frames, some featuring decorative metal grilles and others showcasing several potted plants, with sunlight casting patterns through the glass.
A series of windows with blue frames, some featuring decorative metal grilles and others showcasing several potted plants, with sunlight casting patterns through the glass.
A rustic wooden window is framed by lush green leaves and clusters of hops. The window has four glass panes, with the wood showing signs of age. The hops and leaves appear to be thriving, cascading over the window frame creating a natural, vibrant look.
A rustic wooden window is framed by lush green leaves and clusters of hops. The window has four glass panes, with the wood showing signs of age. The hops and leaves appear to be thriving, cascading over the window frame creating a natural, vibrant look.
Sustainability

Committed to quality and innovation.

Craftsmanship

Engineering

info@sembrani.id

+62-8111-6-111-41

© 2025. All rights reserved.