Can I install radiant floor heating with a tankless water heater?
Posted on | May 5, 2010 | 2 Comments
I am thinking of putting in radiant floor heating, but I don’t want to use electric coils. Can I use a hydronic system with a tankless water heater? From what I understand tankless heaters only fire up when the water flow rate reaches 2.5 gallons per minute… will a hydronic system keep the heater running? I am going this route to save money in the long run on utilities, but I am not sure if it is counterproductive… I am also wondering if I need a separate boiler for the radiant heating system.
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2 Responses to “Can I install radiant floor heating with a tankless water heater?”
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May 5th, 2010 @ 12:00 pm
You need continuous heat for a radiant floor heating system. Tankless heaters are not designed for continuous operation. You really need a separate hot water system for radiant heat. Your best bet would be to get some local contractors who do this type of work to provide you will options on what is best for your house.
July 6th, 2010 @ 8:52 pm
I purchased a Titan from http://www.TitanTankless.com for my radiant system and here is what I can tell you about that. It works great for me but I had to check some things before I put it in. The tankless water heater could be used in a radiant system, provided that the incoming/returning water temperature will be less than 100 F degrees. It is best to consult with the radiant manufacturer before attempting the installation. Check http://www.TitanTankless.com as they have been in business for 25 years and know their stuff. Good luck to you!