radiant heat question

Pat_11

If I have a snow melt system design for 125BTU/sq ft @ 90*water. How will my BTU output change as water temperature is increased? Just curious.

Dan Peel

Math quiz

Snow melt differentials are generally based just above freezing. Here your 90F water gives you a differential near 58 or about 2 btuh/sq.ft/degree differential. Increasing the entry temperature (at the same flow rate) will give you a linear increase in your output until you start to return above freezing, then you are back to 1 Btu/lb/degF divided by fluid density. Enjoy....Dan

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