On Monday, June 9, 2014 9:39:18 AM UTC-4, trader_4 wrote:
On Monday, June 9, 2014 1:57:58 AM UTC-4, Jim Joyce wrote:

On Wed, 4 Jun 2014 09:07:20 -0700 (PDT), bob haller wrote:







it might be more cost efficent to heavily insulate both water heaters. with electric water heaters it easy to add a water heater blanket







The outer surfaces of the water heaters aren't noticeably warm, so I think



(lack of) insulation isn't an issue in this case. Thanks for the suggestion



though.



The outside of a house isn't warm to the touch either, but insulation

is still important. How much difference adding insulation might make,

IDK, but I don't necessarily think the warm to the touch test means that

more insulation won't make a difference. And insulation for an

electric will be more effective because there is no flue up the middle

and you can put insulation on top too.



plus as a example for a momentlets take this to a extreme....

how much electric would it take to keep the water hot in a vacuumn bottle.???

amost none. so insulation might help a lot, saving most of the energy you want to save by turning one water heater off, while still having the capacity