| Reference | Description |
| ktz.kaluga.ru | The Kaluga mountain factory. The information on steam turbines, the heat-exchange apparatus, products for the solution ecological problems, products of common industrial purpose, the equipment for the oil and gas industry, etc. is given. |
| refer.dax.ru | Abstracts on various themes and calculation of boiler-houses |
| boiler.nm.ru | The various every possible information on boiler-houses, their equipment, devices, cycles, etc. Pipelines, publications, the directory of the operator of boiler-house |
| pkbenergomet.ru |
- Reconstruction of boiler-house with replacement of heat-supply systems - Reconstruction of a black oil equipment of heating boiler-house - Converting boiler-house from firm fuel on rock gas |
| cogeneration.ru |
- Bases and advantages - Technical implementations - Alternatives of application - Cogeneration in the world - Designing - Implementation of the design |
| centerru.com | The information about mini-power station |
| Key words | Search servers and founded entries count | ||||
| Rambler | Yandex | Altavista | |||
| когенерация | 311 | 364 | 187 | 214 | |
| перевод котельных на ТЭЦ | 1592 | 165 | 343 | 393 | |
| теплоснабжение | 123 | 123 | 123 | 123 | |