Everything about PVC windows: profiles, chambers, systems, common issues and how to choose the best option.
16 articles
20 March 2026· 12 min read
Kömmerling is one of the most recognised PVC window brands in Spain. We analyse their systems, finishes, prices and real customer reviews after over 1…
Read article →15 March 2026· 13 min read
De perfiles de 58mm a sistemas de 82mm PassivHaus. Tres generaciones de ventanas, tres revoluciones tecnológicas. La historia real contada por un inst…
Read article →14 March 2026· 14 min read
Complete guide to PVC window finishes and colours in 2026: VEKA Spectral, Kömmerling NaturKolor76, Schüco, Cortizo. A professional installer's opinion…
Read article →14 March 2026· 13 min read
Are PVC windows really banned? We explain where this myth comes from, what the law actually says, and why in 2026 it no longer makes any sense. Opinio…
Read article →12 March 2026· 11 min read
Yellowing, warping, loss of airtightness... PVC window problems have a 70-year history. We explain what was solved, what wasn't, and why some issues a…
Read article →11 March 2026· 21 min read
PVC profiles imported from Eastern Europe are being sold in Spain that don't meet the specifications for our climate. We explain the real risks, how t…
Read article →3 March 2026· 16 min read
Cortizo PVC: the Spanish brand that competes head-to-head with German brands. We analyse their 3 systems (A 70, A 78 and A 84 PassivHaus), real review…
Read article →2 March 2026· 12 min read
When you buy a PVC window, three different companies are involved: the profile manufacturer, the window fabricator and the installer. Understanding wh…
Read article →2 March 2026· 11 min read
3D foiling, or Full Cover, coats all three visible sides of the PVC profile — exterior, interior and rebate — completely eliminating visible white PVC…
Read article →21 February 2026· 11 min read
Ecoven or Kömmerling: two highly trusted PVC window brands we regularly install on the Costa Brava and in Girona. The most important differences lie i…
Read article →18 February 2026· 4 min read
Kömmerling and Schüco are two of the most searched brands in Spain. But they have very different customer profiles. We explain when to choose each one…
Read article →18 February 2026· 5 min read
Rehau and Kömmerling are two of the most installed German brands in Spain. They have very similar characteristics but important differences in price a…
Read article →8 November 2020· 7 min read
Comparison of the best Passivhaus PVC windows. Find out which brand offers the best insulation, price and certification for your home.…
Read article →19 September 2020· 14 min read
PVC or aluminium? We compare both materials on thermal insulation, sound insulation, price, durability and aesthetics. Honest opinion from a professio…
Read article →17 September 2020· 2 min read
We have won the 1st Prize in the prestigious Veka Reference Works competition. Our PVC windows in a rustic farmhouse in Girona were selected as the be…
Read article →27 August 2020· 15 min read
IN THIS ARTICLE I WILL GIVE YOU MY LIST OF THE 6 BEST PVC PROFILES FOR YOUR WINDOWS.…
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