: You can buy a downloadable PDF or a hard copy directly from the ASHRAE Bookstore Institutional Access
"Don't forget the heat rejection. 90.4 is tricky about fluid pumps." ashrae 90.4 pdf
Released in 2016 and updated significantly since (latest version 2022), ASHRAE 90.4 was the first standard written specifically for data center energy efficiency. It is now referenced in the IECC (International Energy Conservation Code) and many local building codes. : You can buy a downloadable PDF or
The ELC ensures that your power delivery path (from utility meter to the IT rack) does not waste excessive energy as heat. ashrae 90.4 pdf