On Tue, Dec 8, 2009 at 9:26 AM, Russell McMahon wrote: > > Based on the truly underwhelming result of trying to shower with a 6 > kW instant heat hot water system I imagine that a real man's (or > Woman's) hot shower runs at 20 kW plus. For a decent entry level > shower of 20 minutes duration that's about once a day that's about 7 > kWh or a 24 hour equivalent of almost 300 Watt. You could run a rather > large LCD monitor 24/7 on that, or have 300 of them on permanent > approved standby. It may take a while to charge your Tesla battery at > that rate. > > A kitchen stove with oven and two elements probably runs at over 10 > kW. Cook a roast and you are probably in for more energy than the real > person's [tm] shower. > > Such energy hogs will obviously have to go! Or we will have to harness the solar power that lands on our roofs for free! When you consider the amount of insolation available on the average roof, it seems quite ridiculous to ship gas (sometimes literally) across the world to heat water for a shower. -- Martin K. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist