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Author:
michdrz (PA)
I'm looking to buy a house that was built in 1965. The heating system has a new gas boiler with the original radiant heating units in each room. The units are about the size of an old cast iron radiator but they are mounted on the wall just above the floor.
Can I easily have these units changed to regular slantFin or Runtal baseboard heaters that run along the base board?
I have a picture but don't know how to post it.
Thanks!
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Author:
Paul48 (CT)
Easy? What's the heat loss of each room? What's the output of the baseboard you want to use? Is there a basement, or is it slab construction? How many floors? How many zones? Many questions would have to be answered in order to answer your question.
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Author:
hj (AZ)
Qnce you know the BTU capacity of the convector, then you install the equivalent amount of baseboard.
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Author:
Paul48 (CT)
You could, but you might be repeating someone elses mistake. The house may suffer from terribly uneven heat already. It would be better to do it from scratch. If, for instance, you'd like to install a HE boiler down the road, you would want to over-radiate each room equally.
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Author:
m & m (MD)
"...If, for instance, you'd like to install a HE boiler down the road, you would want to over-radiate each room equally..."
Please explain.
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Author:
Paul48 (CT)
You'd shoot for about 140* supply temps at a design day temperature. You might only have a few days at that temp during a winter. HE boilers and mod/cons in particular want cool return water temps to keep them in condensing mode, when they are most efficient. The baseboard manufacturers give you the output at different temps, and the lower output requires over-radiating.
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