
































“Renewable Energy: Sources and Technologies” tutorial by R.S.Kharazyan (5.7MB.pdf, in Armenian language only)
“Arrangement of thermal-technical testing and energy efficiency assessment of gas based boilers” methodological guidelines by R.S.Kharazyan, E.H.Keryan (1.6MB.pdf, in Armenian language only)



























Weather in YEREVAN
| Radiation: | 16 |
| Humidity: | 89% |
| Barometer: | 669 |
| Geomagnetism: | |
| Day: | +4 |
| Night: | -7 |

