Windows and doors in Switzerland
Premium windows and doors, expertly installed across Switzerland.
BO Fenster handles renovations, new builds and heritage buildings with high-performance, durable PVC and aluminium solutions — fitted with precision.
Bespoke design
Project assessment, material selection and implementation tailored to each façade.
Lasting performance
Systems chosen for thermal and acoustic insulation and low maintenance.
Swiss-quality installation
Trained installation team, clean worksite and clear communication on deadlines.
Expert installation
Qualified installation team, clean worksite and precise project management.
Reply within 24h
A clear reply within 24 hours of receiving your request.
Free quote
No-obligation request, tailored to your building.
Active across Switzerland
Services for private homeowners, businesses and residential buildings.
Our suppliers
Certified brands selected for reliability and technical performance.
Bespoke design
Project assessment, material selection and implementation tailored to each façade.
Lasting performance
Systems chosen for thermal and acoustic insulation and low maintenance.
Swiss-quality installation
Trained installation team, clean worksite and clear communication on deadlines.
Solutions
A clear offer for windows, doors and heritage buildings.
Every need leads to a straightforward solution — from window replacement to a bespoke entrance door.
Features
BO Fenster technical advantages
Premium materials
- Profiles selected for longevity and high-quality finish
- PVC and aluminium options for every façade style
- Weather-resistant powder-coated finishes
Performance
- Enhanced thermal insulation for winter and summer comfort
- Acoustic reduction for a quieter interior
- Rigorous weatherproofing to prevent water ingress
Applications
- Ready solutions for renovation and new construction
- Configurations for windows, French doors and bay windows
- Options for special glazing and security features
Ready to start
Your project deserves a clear answer.
Send us your dimensions, property type and timeline. BO Fenster gets back to you quickly.
Systems
Trusted profiles for performance and longevity.
PVC or aluminium — the systems we select cover insulation, stability, design and large openings.
Kömmerling 76 MD
High-performance PVC profile with triple glazing, lasting insulation and lead-free construction.
- Uw down to 0.76 W/m²K
- Triple glazing
- Centre seal MD
Kömmerling 88
Premium system for maximum thermal insulation, ideal for demanding projects.
- 88 mm profile
- High rigidity
- Acoustic comfort
Aliplast Genesis 75
Modern, slim and resilient aluminium windows for contemporary architecture.
- Clean design
- Thermal insulation
- Wide colour range
Aluprof MB-86
Robust aluminium system for windows, French doors and large openings.
- Excellent rigidity
- Large dimensions
- Energy performance
Why BO Fenster
The quality of a window depends as much on the product as on the installation.
Thermal insulation, acoustic comfort and weatherproofing are decided in the details. BO Fenster combines reliable products, precise measurements and controlled installation.
Trusted materials
Kömmerling, Aluprof, Aliplast and specialist partners for lasting quality.
Precise measurements
Technical assessment of dimensions, photos and building constraints before quoting.
Controlled installation
Careful fitting to preserve thermal insulation, acoustic performance and weatherproofing.
Tailored solutions
PVC, aluminium, heritage renovation, apartment blocks, houses and commercial premises.
Special offer
Save 15 % with BO Fenster installation.
Entrust us with supply and installation and get 15 % off the full project. Whatever the size of your worksite, our team guarantees zero-defect workmanship.
Process
A simpler, more precise and faster quote.
The form collects the right information from the start, reducing unnecessary back-and-forth.
- 1
You fill in the form
Your request includes property type, materials, dimensions and your preferred timeline.
- 2
We review the project
Our team checks the technical requirements and identifies the most relevant options.
- 3
We contact you
A quick exchange allows us to clarify measurements, photos or site constraints.
- 4
You receive your quote
The proposal is clear, free of charge and without obligation.
Customer reviews
Clean worksites, respected deadlines, reassured clients.
Fast quote, great work — we are very satisfied.
Elodie Chatelain
Super work, great price, a responsive company with a dedicated manager. Highly recommended.
Joan Bron
The result is impeccable, the finishing is neat and the site was left very clean.
Mouh Mob
Gallery
Understated solutions for homes, buildings and renovations.
FAQ
Everything you need to know before ordering
What materials do you offer for windows?
BO Fenster works mainly with PVC profiles (Kömmerling 76 MD, Kömmerling 88) and aluminium systems (Aluprof MB-86, Aliplast Genesis 75). The choice depends on the building's architecture, the performance required and your budget.
Do you work across all of Switzerland?
Yes. BO Fenster operates throughout Switzerland, with a strong presence in Biel, Fribourg and the cantons of Bern and Vaud. Contact us to confirm availability in your area.
Is the quote free of charge?
Yes, the quote is entirely free and without obligation. Fill in the online form with your dimensions, property type and preferred materials, and we will get back to you promptly.
How long does a typical window installation take?
Timelines vary depending on the complexity and volume of the project. Generally, allow 3 to 6 weeks between order confirmation and installation. BO Fenster will provide an exact schedule at the time of quoting.
Your project deserves a clear answer.
Send us your dimensions, property type and timeline. BO Fenster gets back to you quickly.