https://repository.kallipos.gr/bitstream/11419/6161/1/02_chapter_3.pdf Calculate roughly room dimensions and height is 3 meters.
lab 7 of Renewable energy sources laboratory experimenting, year 2013

https://repository.kallipos.gr/bitstream/11419/6161/1/02_chapter_3.pdf Calculate roughly room dimensions and height is 3 meters.