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Posted by RF on June 8, 2008, 1:50 pm
hallerb@aol.com wrote:
>>
>>
>>> I'm temporarily in a rental that is a large one-story house with an
>>> ancient gas fired water heater. The pilot light is very large and
>>> it alone uses about $8/month. In addition the heater is about 30'
>>> from the main bathroom.
>>> A plumber came by one day and I asked him whether an electronic
>>> ignition could be fitted to the heater to eliminate the pilot light. He
>>> said no.
>>> I am now considering installing a tankless electric heater in the
>>> bathroom under the sink.
>>> Experiences appreciated.
>> Is that just for the sink or is it for the entire bathroom?
>>
>> That $8 pilot light only adds cost in the summer when you don't want heat.
>> The rest of the year, it is just another heat source for the house that
>> you'd pay for anyway.
>
> a tankless in the bathroom will only provide a little hot water
> quickly, and since electric nearly always costs more than gas it
> wouldnt save you any money.
Electricity is used ONLY when the water is
running. Even if it costs more than
gas per thermal unit , it should still cost less
overall. At present there are losses from the
existing tank in an uninsulated garage 24
hours/day and 30' of copper piping (with R-6
insulation) when the water is running.
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