PVC Windows
Thermal insulation, long-lasting comfort and custom finishes.
BO Fenster's PVC systems are suited for renovations and new builds requiring high insulation performance with minimal maintenance.
Excellent thermal insulation
5- to 7-chamber profiles with optional triple glazing.
Low maintenance
PVC remains dimensionally stable and colour-fast for decades.
Colour finishes
Foiled or powder-coated surfaces in a wide range of colours.
Technical specifications
PVC system specifications
Construction
- Multi-chamber systems for high rigidity
- Steel reinforcements for large openings
- Centre-seal system for improved weatherproofing
Performance
- Uw values suited to Swiss renovation projects
- Optional acoustic glazing
- Rain resistance tested to standard
Options
- Designer handles and colour variants
- Security glass and burglary protection
- Recesses for roller shutters and insect screens
PVC gallery
PVC installation examples
Our PVC systems.
Kömmerling 76 MD and Kömmerling 88 are trusted references, with variants for design, colour and installation situations.
Kömmerling 88
Innovative 7-chamber system designed to achieve passive house values. Triple glazing 48 mm (4/18/4/18/4), Ug = 0.5 W/m²K. Glass thickness 24–52 mm, lead-free calcium-zinc profile. Modern look, outstanding thermal insulation.
Kömmerling 76 MD
6-chamber profile, 76 mm deep, with 3 sealing levels. Uw = 0.78 W/m²K, Ug = 0.5 W/m²K with Chromatech Ultra warm-edge spacer. Lead-free calcium-zinc profile, classic shape, excellent torsional rigidity.
Kömmerling 76 AD
5-chamber profile, 76 mm deep, with 2 sealing levels. Energy-efficient triple glazing 48 mm, lead-free calcium-zinc profile. More affordable variant of the 76 MD, still delivering very good thermal and acoustic insulation.
PVC Alu Clips Zero
Unique combination: PVC inner frame with aluminium outer cladding, attached via invisible clips — no visible screws. Aluminium appearance on the façade, PVC comfort and economy on the interior.
Lacquered PVC profiles
The entire PVC range available in factory-lacquered finish in any RAL or NCS colour. Individual specification of exterior and interior colour for a harmonious façade.
Applications
Energy renovation
Replace existing windows and improve insulation at the same time.
New-build projects
Window systems that meet high efficiency requirements.
Residential buildings
Flexible solutions for varying apartment sizes and layouts.
Request a quote
Need a quote for PVC windows?
Send your dimensions and preferred timeline for a precise technical proposal.