So, I have a quick question that bugs me all the time. Whenever we do a boiler replacement, we size the boiler by doing a heat loss calculation, especially if its high efficiency. Now my question is, let’s say were replacing a boiler and would just like to size it to the amount of baseboard radiation installed in every room. Would it be safe to measure the amount of element in the house and times it by 600? (example 90 feet of element x 600 = 54,000BTU DOE needed) ) because to my understanding doing a heat loss calculation by room gives you the amount of BTU needed to heat that room.
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