Turan BV 5,0 11 Apr 2026 Google

We decided to further renovate our house with stained glass in double glass and the Keralit roofline system. Very happy with the professional approach and workmanship.

Jackie Sussex from The Kingdom of the Netherlands (Dutch SussexJackie) 5,0 11 Apr 2026 Google

Fantastic team, the director Marco is businesslike but very human. Jan the sales representative is 100% honest. Quotes have never gone over the price with so-called "additional work" beautiful finish of the window frames. All the neighbors are in love with how beautiful it has become and just like us can't wait until the living room is also installed (we are doing it in stages - no money had to be borrowed either! Front door new bathroom, and bedroom front and back! Anthracite gray! ❤️

Nel Koppenol 5,0 11 Apr 2026 Google

Kumaro is excellent at installing uPVC window frames with HR++ glass. They just had our entire rear facade replaced, and it looks fantastic. The men worked incredibly hard and always left everything spotless. We'd never use anyone else!

Erik Ellinger 5,0 11 Apr 2026 Google

Kumaro replaced our window frames. We had already received a few quotes based on photos of our house, but Jan insisted on coming by in person. Fortunately, because there were still some choices to be made that would otherwise have led to disappointment. He was honest about the delivery time; it would take six months before it was our turn. No excuses that we could just squeeze in. Eventually, Marco came to take the final measurements, and the frames were installed in three days. Nice people, fast and solid work. One window was damaged and was replaced later without us having to ask. They honored all agreements, and the quality is excellent! The house is now much better insulated, not only for heat but also for sound. It has saved us a lot of money on our gas bill. Highly recommended!