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Klar Studio sells and installs custom European windows and doors. On its BBB profile the company describes steel, aluminum, wood and PVC options, with help on design, manufacturing and installation. It holds an A+ BBB grade and is BBB accredited. A recent Google customer said the service ran from design to installation, with updates on delivery, and that they plan to order more. A 2026 customer in Norwalk said Magda and the team were patient while they selected doors and customized the glass, and that the installation was handled professionally. A 2025 customer wrote that Paul Mattus guided them through choosing replacement windows for a Hudson Valley home where each window panel weighed nearly 900 pounds. A 2025 customer said their Klar front doors were installed without a hitch, crediting shop drawings and a knowledgeable crew. A 2024 customer said they replaced two back doors and a large kitchen window with Klar, and that installation ran over a few days. A 2024 customer said supervisor Alex met them for pre-construction meetings after framing, and that the install team, led by Tolek, completed the job on time. A 2023 customer said Klar designed and installed glass doors for their home office. Connecticut lists its home improvement contractor registration, HIC.0654219, as active, held by Klar Studio Inc.
Great service, solid products!
I absolutely LOVE my new doors! They are super high quality and look amazing. The service was exceptional from design to installation and keeping us informed on delivery. I highly recommend Klar! I am going to order more from them!
Excellent experience with Klar Studio Custom European Windows & Doors in Norwalk! From beginning to end, Magda and the team were extremely patient while we selected our doors and customized the glass beyond what was showcased. The service and communication was outstanding, and the installation was handled professionally and efficiently. We also appreciated the compassion and care they showed throughout the process. The doors look amazing-- highly recommend!
Paul, I just wanted to personally thank you for such an outstanding experience. Your team truly reflects your great leadership. From Magdalena Salamon in sales manager and Smith, your architect, who helped set the project up right from the start, to Alex the field service manager, and Meloui and Egor on site—everyone was exceptional, professional, respectful, and incredibly talented. Egor’s craftsmanship and attention to detail were amazing, and even with weather challenges the team handled everything seamlessly. True white-glove service like this is rare today. Thank you for building such a great team. We truly appreciate it! Truly outstanding work by everyone. You should be very proud. Thanks again for making it happen it was an honor working with you and your professional team 👍
Klar Studio Custom European Windows & Doors was an absolute pleasure to work with from start to finish. Their team is extremely knowledgeable and guided us through every step with confidence and expertise. The windows arrived exactly on time, which made the process smooth and stress-free. The quality of their products is second to none and truly stands out as the best in the industry. Customer service was excellent—responsive, attentive, and always willing to help. I would highly recommend Klar Studio to anyone looking for top-quality windows and doors with outstanding service.
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1 change recorded — last scanned Oct 14, 2026.
Typical your area range for this kind of work, from regional averages — not a quote from Klar Studio European Windows & Doors. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,000 – $11,000
Typical exterior project around $7,500
Gut bathroom renovations with walk-in and curbless showers4.9
Storm leak tarped within 3 hours4.8
Windows and doors project completed smoothly and on time3.7
Full deck tear-downs and rebuilds3.3
