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| Vasiliev S. S., Barakhtenko E. A., Malyshev V. A. The features of pipeline construction of integrated heating and cooling systems in the far north with permafrost | 4 |
| Vedruchenko V. R., Finichenko A. Yu., Glukhova M. V., Glukhov S. V., Vinichenko V. S. Estimation of the average temperature of the secondary radiator for small boilers with a cylindrical firebox | 14 |
| Derkachev S. V. Diagnostics of rotor rods breakage of an asynchronous electric motor by operating mode parameters | 18 |
| Samarin O. D. Calculation of the initial heating of the room with radiant heat | 23 |
| Vasilyeva A. A., Vaskov A. G., Kharitonov V. Yu., Kharitonov D. A. Estimation of applying calculation methods for diesel-generator set fuel consumption curve | 27 |
| Shelest V. A., Tsygulev N. I. Simulation of power line voltage in asynchronous mode | 33 |
| Shelekhov I. Yu., Shelekhova I. V., Altukhov I. V., Ochirov V. D. Optimization of ventilation systems in public catering establishments using programmable devices and infrared heating elements | 38 |
| NEWS, PROBLEMS, OPINIONS | 46 |
| Beze Ya. I., Shaposhnikov V. V., Butuzov V. A., Kocharyan E. V., Andreyko N. G. Solar grid power plant of Krasnodar TPP in the retail market of the regional energy system in 2022-2024 | 46 |
| Tyagunov M. G., Yusupov B. T. Tugurskaya tidal hydrogen station for electricity and heat supply of cities in the Far East | 52 |
| WATER TREATMENT AND WATER PURIFICATION | 58 |
| Burakov I. A., Burakov A. Yu., Davaakhuu A., Egorov E. N., Gorbunov A. I., Ye V. A., Ye H. K. Condi-tioned and substandard natural highly mineralized water resources used in energy and industrial facilities | 58 |
| Gaponenko S. O., Gavrilov A. S., Sorokin K. S., Gavrilin V. V. On the issue of modernization of existing water treatment systems through the development of modern degassing technologies | 64 |
| ENERGY SAVING TECHNOLOGIES | 73 |
| Vedruchenko V. R., Bashurov A. B. Requirements for nozzle devices for combustion of water-coal fuel in boiler units | 73 |
