Osteklenie kottedzhey

Why this score

• Warranty. Twenty years are stated on the installation service page; the scale stops at ten.
• Price transparency. A price per unit is published.
• Response to criticism. On Yandex Maps the company replied to every low rating over the past year.
• Customer reviews. Listings on two map services were counted.
• Years in business. The legal entity was registered in autumn 2019. Weights and scoring rules are the same for everyone, see the methodology.

What the company does

The website oknaspb.ru is about cottages and other private homes: verandas, terraces, gazebos, winter gardens and summer houses. Lift-and-slide, parallel-slide and folding portals get their own pages, along with frameless and façade systems, glass roofs and railings. Frames are made from PVC, aluminium and timber. Address: 21 Uralskaya Street. A full set takes 10–15 days to make and 2–4 days to install, and the site visit is free within 100 km of the city ring road. No prepayment is taken, a quote from photos arrives within an hour, and the glazing can be tried on a photo of your own house. The company also holds a licence for work on heritage buildings and makes joinery and trims.

Warranty and years in business

The warranty is longer than that of most companies in the table; years in business count from registration. On 8 October 2026 a PVC unit cost from RUB 6,800, or from RUB 12,000 with installation.

Nearby places

The leader, Okonnaya kompaniya RS, also scores 10 on warranty, but it has more years behind it: 9.5 against 7.1. Alyuminievye okna SPb, one line below, is stronger on reviews, while its installation warranty is eight years. Second place here rests on the long warranty and full price list.

Questions and answers