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I need to get a new rad with a btu rating of around 4500.
Looking at getting a column style rad but I've seen two which are very similar in size but have different btu ratings. 3400 compared with 4500. How is rad btu calculated?
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Posted : 04/08/2013 6:42 am
Surface area and temperature of the water in it vs temperature of the room.
In your case comparing two radiators from the same range, the difference is surface area.
Posted : 04/08/2013 7:23 am