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I've thought about this for a long time and saw something similar in a recent thread here so I thought this would be a perfect time to share. Here goes -
I know that we size steam boilers by EDR and we size hot water boilers by the heat loss of the building.
If we're being very energy conscious, why not do this for a steam system?
• Perform a heat loss calculation on the building.
• Perform an EDR calculation on the radiation.
• Let’s assume for now that the EDR outweighs the heat loss significantly.
• Remove or resize radiators to match the room by room heat loss of each room.
• Size the new steam boiler to reflect the new EDR that we now have.
To me, this makes perfect sense. I know there's a considerable amount of work involved but for large multifamily buildings the therm savings has to very significant.
Am I missing something?
Tell me I can't, and I'll show you I can.