Quote:
Originally Posted by nibs
!,200 sq ft house, hope to put in the floor next season. Will be 2 inch concrete, planning 2 0r three loops,
Any links to sites that will calc it, would be appreciated.
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Your local temperatures will have a lot to do with your results.
2" slab is pretty thin. Spacing your PEX at 12" centers will not give you very even heating of your slab.
If your location is such that heating efficiency is not critical, it won't matter much. If heating is a serious issue, you will want to be much smarter about your project.
-AC