Jay, So a tankless heatpump water heater would be the ultimate: no massive electrical load (less than a dryer) to make instant hot water, so also no loss from storing hot water? Cor.
On Thu, Jul 26, 2018, 6:47 PM Jay Summet via EV <[email protected]> wrote: > > On 07/26/2018 02:38 PM, Lee Hart via EV wrote: > > > 4. Tankless demand heaters (that only heat the water when it is actually > > needed) are more efficient that anything you can do with a tank-type > > waterheater, regular or hybrid. > > Yes, when comparing gas tankless to gas tanked heaters. > > NO for Electrically operated tankless heaters vs hybrid (heat pump) > water heaters with a tank. > > Most tankless heaters are gas as the electric ones require a MASSIVE > service (24-27 KW, 100+ amps) to heat water instantaneously (via a > restive element). Even with heat losses due to storage, the efficiency > of an electrically operated heat pump for heating (4x or better than a > restive element) will always beat an electrically operated restive heater. > > Jay > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20180726/0eac5eb7/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
