Quote Originally Posted by MHall View Post
Interesting information. Would co-generation, require a boiler? Based on what others have said I always thought that emissions would be a great part of why new buildings don't want a boiler on the property. Isn't live steam dangerous as well?? I find it hard to believe that a new LEED hospital will use steam for space heating. Wouldn't that require a boiler operator on site 24/7??
Quote Originally Posted by MHall View Post
I thought the sears tower had electric boilers for hot water heat?? This is another example of an older building which utilizes hydronic heat. If it had been built in 1993 rather than 1973, it would have electric heat strips. No hydronics.

They might also have heat recovery chillers. I read the specifications sometime ago, and don't remember for sure

Sears Tower (now Willis Tower) uses Co Gen for heat because of energy consumption concerns...... The generation of electricity heats the building.