Floor Heating

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/