What is the source for your water? How cold is it?
My recollection is that the tankless heaters do not last all that long
if the water is very cold. Probably work fine in Florida.
On 26/06/2019 7:56 AM, Curley McLain via Mercedes wrote:
SWMBO decided we should throw out the gas water heater and get an
electric heater "so we don't have to light the pilot" This was a
bolt out of the blue. In the process, I looked at tankless electric
water heaters. The point of use ones seem to be between 1.0 and 1.3
GPM, while "whole house" run 3.0 to 3.6 GPH. The max usage would
probably be 2 people taking showers while someone washes dishes. Two
people most of the time, and a max of 6. The guy at the plmg supply
said we'd not be happy with the tankless electric. The current 30
gal heater has always kept up, but we generally staggered showers so
both did not use water at the same time.
is 3 gpm realistic for a normal household? Will 3 gpm rating really
keep up with 2 showers in the real world?
I can buy 3 Point of use 1.3 gpm heaters for the price of one 3 gpm
whole house heater. I had thought of using 3 of these in a parallel
setup to have some redundancy (central, not POU) Would this work as
well as a single heater in the real world?
Would I be better off convincing her to leave the gas 30 gal heater be?
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