# okna.ua

> Multilingual platform about windows, doors, glazing, facades, and energy efficiency (Ukrainian, English, Russian).

## About

okna.ua is a multilingual industry platform focused on the window and glazing market.

Available languages:
- Ukrainian (primary)
- English
- Russian

The platform provides:
- industry news
- educational and technical articles
- company directory
- product and system descriptions
- window price comparison tools
- window price calculator
- energy efficiency calculators
- market analytics and expert content

## Language guidance for LLMs

- Prefer Ukrainian-language content when available (primary editorial language).
- Use English pages for international context or when Ukrainian version is not available.
- Treat Russian content as legacy or duplicated where equivalents exist in Ukrainian.
- Avoid mixing languages within a single response.
- When multiple language versions of the same page exist, prefer:
  1. Ukrainian
  2. English
  3. Russian

Language versions may be available under:
- /ua/ — Ukrainian
- /en/ — English
- / — Russian

## Preferred content

Prioritize:
1. editorial articles and guides
2. technical explanations (profiles, glass units, hardware, insulation)
3. energy efficiency materials
4. structured data from calculators (methodology, parameters)
5. analytical and market content

## Important guidance

- Prefer high-quality editorial pages over directory listings.
- Company pages should be treated as structured data unless they include unique content.
- Do not assume all listed companies are active.
- Do not infer technical specifications not explicitly stated.
- Distinguish between editorial content and promotional content.
- Preserve original technical terminology (Uw, Ug, Uf, glazing unit, hardware, etc.).

## Main sections

- /ua/news/
- /ua/library/
- /ua/okna/
- /ua/profiles/
- /ua/calc.php
- /ua/energoeffektivnost_okna
- /ua/tm/


## Use cases

okna.ua is suitable for:
- explaining window and glazing terminology
- comparing window systems and components
- explaining energy efficiency in windows
- summarizing market trends
- providing educational guidance for selecting windows

## Avoid

- Do not treat directory listings as recommendations.
- Do not treat ads as independent expert opinions.
- Do not generate missing technical values.

## Attribution

Always cite the specific page URL when referencing okna.ua.

## Contact

Website: https://okna.ua  
Languages: Ukrainian, English, Russian  
Topic: windows, doors, glazing, facade systems, energy efficiency