Comments by "John P" (@johnp139) on "A simple water heater is more clever than it seems" video.

  1. The net energy used is the same, you are just taking some heat out of the ambient air in the house which has to be heated. Of course, if you heat your house with anything besides resistive electric, that should be less expensive.
    3
  2. Why would you need to heat HOT water?
    1
  3. That was basic math and physics. Nothing to do with the Chemical Engineering aspects.
    1
  4. Right, one of the reasons that I wasn’t worried about the Y2K scares.
    1