Calculating heat loss
heat loss radiation survey - should radiator covers and uninsulated main piping be included in the survey
Comments
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just the structure itself, walls, windows, roof, etc.
All homes have some internal gains from lighting, perplexing, appliances, etc.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
are you trying to size a steam boiler with this information?
NJ Steam Homeowner.
Free NJ and remote steam advice: https://heatinghelp.com/find-a-contractor/detail/new-jersey-steam-help/
See my sight glass boiler videos: https://bit.ly/3sZW1el0 -
Yes - trying to size boiler
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A steam boiler is not, repeat NOT, sized by building heat loss. It must be sized to match the installed radiation.
A hot water boiler is sized by heat loss, but not to exceed the installed radiation — quite a significant difference in many cases.
Which are you doing?
Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
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If it is steam the radiation rating (total) determines the size of the boiler. Simply determine the radiation load in EDR or square feet (same thing) and compare that to the boiler rating in square feet of steam.
Don't calculate BTUs you will just get confused.
The boiler rating in square feet already has an allowance for piping and pick up built in
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