Would you recommend Legalett over water or gel radiant floor heat for a backyard studio in Toronto?

Christine Pountney Published: May 2, 2019, 1:22 p.m.Last updated: May 10, 2019, 8:23 a.m.

I am trying to decide whether to go with a tankless and gas fuelled water heater and water or gel radiant floor heating, or the air system that Legalett uses. I am also wondering how much rebar should be in a slab on grade floor and if it's okay to have the perimeter touching the ground without any insulation beneath it? 

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