23 Feb '12, 7pm

Green Building Q&A: Can a hydronic radiant heating be used in a ceiling?

I am building a well insulated house in NW Ontario, Canada I have been debating on the method of heat supply. I am leaning towards hydronic radiant heating, I plan to build using a slab at grade with a frost wall, the slab will have radiant heating. The 2nd floor I don't want to install the tubing within the floor system since the floor joists and subfloor will be exposed, sort of a timber frame look nor do i want to pour a slab on the 2nd floor. However the ceiling suddenly seems like a good idea, my design calls for a truss with a 24" heel height and I plan on using at least 36" of blow in insulation. I intend to sheet the underside of the bottom chord of the roof trusses and then install 2" x 4"'s or 2" x 6"'s to the underside of the sheathing in order to run all the electrical wiring and now maybe some radiant piping. The plywood or OSB would be completely sealed and I...

Full article: http://www.greenbuildingadvisor.com/community/forum/mecha...

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