Ecoven or Kömmerling: two highly trusted PVC window brands
The question "Ecoven or Kömmerling?" is one of the most frequent we receive at Instal Tancaments. The honest answer is that both are highly trusted PVC window brands we regularly install on the Costa Brava and in Girona, with excellent results in both cases.
The main difference is not in quality — both offer high-performance PVC windows — but in origin, range of finishes, available colours and the specific profiles of each system. In this article we explain the characteristics of each brand so you can choose the one that best fits your renovation or new-build project.
What is Ecoven? The Spanish PVC window brand
Ecoven Plus (Inrialsa PVC) is a Spanish PVC window manufacturer based in La Rioja. Its profiles are made using Veka systems, one of the world leaders in PVC profiles, guaranteeing proven quality.
Ecoven has three main systems adapted to different needs:
- Ecoven S70 (70 mm, 5 chambers): entry-level profile with Uf of 1.3 W/m²K. A good option for tighter-budget projects.
- Ecoven S76 (76 mm, 5 chambers): the most installed system, with Uf of 1.1 W/m²K and double or triple glazing up to 48 mm. Excellent value for most residential projects.
- Ecoven S82 (82 mm, 7 frame chambers / 6 sash): high-efficiency system with official Passivhaus certification from the Passivhaus Institute — the first Passivhaus-certified PVC window in Spain for warm-temperate climates. Uw down to 0.76 W/m²K and triple glazing up to 52 mm.
With the S82 system, Ecoven has been involved in more than 1,000 Passivhaus homes in Spain and Europe, including Spain's first Passivhaus residential block.
Ecoven finishes and colours
Ecoven offers a carefully curated and constantly expanding range of finishes:
- Classic white (RAL 9016): the most popular finish, clean and timeless
- Wood effect: golden oak, walnut, pine and other natural wood tones
- Dark colours: anthracite (RAL 7016), black and grey — very popular in contemporary architecture
- Bicolour finish: exterior in colour or wood, interior in white — ideal for modern facades
- Special colours on request for unique projects
Being Spanish-made, lead times for special colours are usually faster than with exclusively European-manufactured brands.
What is Kömmerling? The German PVC window brand
Kömmerling is a German multinational founded in 1897, with over 125 years of history in PVC profile manufacturing. It is part of the Profine group, one of the world's largest profile manufacturers, present in more than 50 countries.
In Spain it is one of the most recognised brands in the sector. Its most installed system is the Kömmerling 76 (76 mm, 5 chambers), which offers excellent thermal and acoustic performance. It stands out particularly for its extensive range of finishes and colours, the result of decades of development in the European market.
Kömmerling finishes and colours
One of Kömmerling's great advantages is the variety of available finishes:
- Classic white (RAL 9016): the most installed, timeless and easy to combine
- Fine and coarse wood grain: wood effect in oak, walnut, pine and other tones
- Solid colours: anthracite (RAL 7016), black, basalt grey, cream, sand
- Bicolour finish: exterior in colour or wood, interior in white — very popular on modern facades
- Special lacquers on request in virtually any RAL colour
System comparison: Ecoven vs Kömmerling
| Feature | Ecoven S70 | Ecoven S76 | Ecoven S82 | Kömmerling 76 |
|---|---|---|---|---|
| Depth | 70 mm | 76 mm | 82 mm | 76 mm |
| Chambers | 5 | 5 | 7/6 | 5 |
| Uf profile | 1.3 W/m²K | 1.1 W/m²K | 1.0 W/m²K | 1.1 W/m²K |
| Uw with glazing | ~0.9 W/m²K | ~1.0 W/m²K | 0.76 W/m²K | ~1.0 W/m²K |
| Passivhaus certification | No | No | Yes ✓ | No |
| Triple glazing | Up to 44 mm | Up to 48 mm | Up to 52 mm | Up to 44 mm |
| Origin | Spain | Spain | Spain | Germany |
Ecoven or Kömmerling: which fits your project better?
Beyond technical performance — which is excellent in both brands — the most important practical difference lies in the available finishes and colours. Ecoven and Kömmerling have their own colour and finish catalogues, and while they share the most common options (white, anthracite, wood effect), there are specific tones, bicolour combinations and finishes that one brand may have and the other not. In a renovation, the colour you need to match existing joinery, the facade or the interior can be decisive.
That is why at Instal Tancaments we work with both brands and assess which offers the best option for each project. In some projects the ideal solution is Ecoven; in others, Kömmerling. There is no universal answer.
The same applies to profiles: in renovation, one brand's profile may adapt better to the existing frame, opening type or wall thickness. These are details that can only be assessed by looking at the actual project.
Our recommendation: if you have a very specific finish or colour in mind, tell us and we will check availability across both brands.
When to choose Ecoven?
Ecoven is a very solid option for:
- Standard residential projects where the S76 offers excellent value for money
- High-efficiency or Passivhaus-certified projects with the S82 system
- Clients who value national technical support and after-sales service (manufactured in Spain)
- Projects with tight delivery deadlines
When to choose Kömmerling?
Kömmerling is particularly interesting when:
- The project requires a very wide colour range, especially in dark tones or special finishes
- A specific bicolour finish from its extensive European catalogue is needed
- The architect or developer specifies Kömmerling in the project
- The client prefers a German brand with strong international recognition
Our recommendation as installers
At Instal Tancaments we regularly install both Ecoven and Kömmerling, and we are fully satisfied with both. They are two highly trusted PVC window brands we have been working with for years on the Costa Brava and in Girona.
The choice between one and the other depends mainly on the finish and colour you are looking for, the system you need and the client's preferences. Contact us with no obligation and we will advise you on both options.
You can also see our complete comparison of the 6 best PVC window manufacturers.
Frequently asked questions about Ecoven and Kömmerling
What is the main difference between Ecoven and Kömmerling?
The most important practical difference is in the available colours and finishes. Both offer high-quality PVC windows with equivalent technical performance in 76 mm systems, but there are specific tones and finishes that one brand may have and the other not, which in a renovation can be decisive.
Are Ecoven windows good quality?
Yes. Ecoven Plus is a Spanish manufacturer with over 20 years of experience whose profiles are made using Veka systems, the world leader in PVC profiles. The S82 system is the first Passivhaus-certified PVC window in Spain.
What colours does Kömmerling offer?
Kömmerling offers classic white (RAL 9016), anthracite (RAL 7016), black, basalt grey, cream, sand and an extensive range of wood effects. It also offers bicolour finishes and special lacquers on request.
What colours does Ecoven offer?
Ecoven offers classic white, anthracite, black, wood effect in various tones and bicolour finish. Being Spanish-made, lead times for special colours are usually faster.
Can I build a Passivhaus home with Ecoven windows?
Yes. The Ecoven Plus S82 system has official Passivhaus Institute certification and is the first Passivhaus-certified PVC window in Spain for warm-temperate climates. Uw 0.76 W/m²K.
What warranty do Ecoven and Kömmerling windows carry?
Both brands offer a 10-year warranty on PVC profiles. The total window warranty (including hardware and glazing) depends on the installer and the manufacturer of each component.
Conclusion: Ecoven or Kömmerling, both are a great choice
Both Ecoven and Kömmerling are proven-quality PVC window brands we install with full confidence on the Costa Brava and in Girona. The choice depends mainly on the finishes, colours and profiles your project needs. Contact us with no obligation.