radiant heating systems forum

How does one figure the size of pumps, tubing, and heat loads for radiant heating

Love Dove , Thursday, 12th of August 2010 11:35:36 AM

l am trying to size a system for my shop.2900 sq.ft. with 16ftwalls.3 
Love Dove
overhead doors and 3 windows.Thanks to everyone for helping.
 
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Phat Barbie , Friday, 13th of August 2010 01:56:44 PM

need to have a program for that or do the old fashion manual J  
Phat Barbie
way with a calculator. Sounds like you will be putting it in the slab.  
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Roughly use 3/4 inch tubing and put it 12 inches on center. That should be  
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pretty close for a rough idea. Boiler would roughly be 150,000 BTU. And  
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depending on system type as far as injection or mixing valve and how many  
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zones and manifolds, that will affect the pump.  
 
 
 
 
 
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Benny Boo Bear , Saturday, 14th of August 2010 05:05:23 AM

To size the system, you need to have a load calculation. That  
Benny Boo Bear
takes more information. After you have the heat load, then you can figure  
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the loops, pumps, etc.  
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googie , Sunday, 15th of August 2010 11:02:03 PM

Here is an informative site on radiant heating, it may help.  
googie
 
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http://furnace-water-heaters.com/radiant-floor-heating.html  
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