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Old 03-08-2008, 08:48 AM   #1
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Using baseboard hot water in a radiant floor??


Is it possible, or useful/efficient, to use the looped hot water in the baseboard system to flow through radiant heat tubes in some portion of the house? We are thinking of installing a new cork plank floor in the living room, which is near the end of the heating loop for our single story house in Connecticut, and I am wondering if, instead of buying a separate system, I can simply reroute the returning existing hot water through new tubing under our floor, then back to the furnace? Is that ever done? Thanks.

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Old 03-08-2008, 09:26 AM   #2
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Using baseboard hot water in a radiant floor??


The radiant needs its own loop. The water temperature for radiant is between 80-130F depending on how close the tubing is to the surface of the floor. The water temperature out of the boiler fluctuates between 150-180.
You can use the same boiler but you need mixing valves to lower the temperature to the floor. I could go into more detail but this answers your question of if you can just tap into the existing lines.

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Old 03-08-2008, 11:26 AM   #3
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Using baseboard hot water in a radiant floor??


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Originally Posted by Clutchcargo View Post
You can use the same boiler but you need mixing valves to lower the temperature to the floor. I could go into more detail but this answers your question of if you can just tap into the existing lines.
Is this an expensive undertaking, or require a lot of room for equipment? Sounds like if the basic infrastructure is in place, the majority of the costs have already been incurred, no? Any idea of a square footage cost for about such a loop for a 300-400 SF area? Thanks very much in advance for your reply!
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Old 03-08-2008, 07:38 PM   #4
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Using baseboard hot water in a radiant floor??


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Is this an expensive undertaking, or require a lot of room for equipment? Sounds like if the basic infrastructure is in place, the majority of the costs have already been incurred, no? Any idea of a square footage cost for about such a loop for a 300-400 SF area? Thanks very much in advance for your reply!
in my area of canada radiant for piping is in the area of 4 to 6 bucks a square foot installed
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Old 03-08-2008, 08:06 PM   #5
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Using baseboard hot water in a radiant floor??


Is this work you're going to contract out or DIY?
Radiant is basically the most expensive heat you can install.
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Old 03-10-2008, 09:33 AM   #6
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Using baseboard hot water in a radiant floor??


Take a look at the second option in this link. Is it a valid option?

http://www.radiantdesigninstitute.com/page64.html

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