Comment by wlesieutre

It's weird for me to think of this as a forgotten technology having gone to Penn State where all of campus was heated by a district steam system.

Between east and west campus, they have a capacity of 700,000 lbs of steam per hour.

https://opp.psu.edu/unit/steam-services

https://news.psu.edu/story/460837/2017/04/17/campus-life/one...