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Subject:  Re: Radiant Heat System Date:  1/8/2004  8:32 PM
Author:  Goofyhoofy Number:  44394 of 131659

My thought is that once I find out how long (and what diameter) the hot water piping is, I can look up the expected rate of heat loss. Then I can pick a minimum desired temperature for the static hot water, and from that figure out how many gallons per day of hot water would need to be circulated, at most, to maintain the desired temperature.

Unless you have a lot of experience with this and similar HVAC stuff, I will guess that whatever number you come up with will be wildly wrong because of things which you do not anticipate. I'm sure you will have a nice theoretical package, but in practice I'll bet you do a lot of fudging to get it right eventually. Maybe not, and I'll be interested in how it works out.

I figured I needed a certain nu