Week 29, Day 5. Last day of class work for Pipe 0012 and 0013.

Here is a link to one of the systems that recovers heat from DWV piping systems, Might be a thing in the not too distant

http://www.renewability.com/power_pipe/how_works.html

Roll your own! You have the technology.




Bidet toilet seats. https://www.homedepot.ca/en/home/p.white-elongated-heated-bidet-toilet-seat-s900.1000726864.html