» Hydronic Underfloor Heating    An article in Backwoods Home Magazine by Michael Hackleman, explaining hydronic floor heating. Includes diagrams.    http://www.backwoodshome.com/articles/hackleman64.html

» Installing electric in floor heating    An article on how to choose and install in floor heating.    http://www.flooringguide.com/how-to/related/rp001.php3

» Oikos    Describing the differences between electric radiant heat and hydronic radiant heat systems.    http://www.oikos.com/esb/48/radiantheat.html

» Radiant Design Institute    Illustrations and detailed tutorials for installation of radiant floor heating.    http://www.radiantdesigninstitute.com/

» Warmup Underfloor Heating    Warmup manufactures electric underfloor heatering. The DIY undertile and electric radiant heating is taped to the floor prior to tiling.    http://www.warmup.com/