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Posted by hallerb@aol.com on October 20, 2007, 3:28 pm
> ransley wrote:
>
> >>> I'm considering installing this unit(s). I would like to hear from
> >>> those who have them, installed them, etc. Opinions and advice is
> >>> appreciated. 2 full bathrooms here. Thanks!
> >> Which Bosch, the larger unit is made by Takagi, the small unit 110000
> >> btu is a one bath unit. You need proper gas flow or full BTU will
> >> never be reached, You need it tested while all gas apliances are on.
> >> What is winter time water temp lows. You need to know gpm and temp
> >> rise needed. I have the small Bosch , its great. Is this a single
> >> person use or family, with a family savings may be zero. I am seeing a
> >> 5 yr payback single use. Look also at Rinnai with remote thermostat,
> >> Takagi makes a condensing unit of 94% efficiency if you have the $
>
> > Remember the large 190000 btu unit will likely double your gas
> > requirements, in winter when incomming water is coldest and
> > everything is competing for gas you wont get full btu without a great
> > supply, My incomming water can go to 36f, I still never set the unit
> > on high but you need to research everything or risk cold showers in
> > January.
>
> Good points sir. Thank you for your input. As for the use it's for
> family (3). Natural gas. As for other appliances; kitchen stove, floor
> furnace, wall heater. The two heaters are usually used from 4am-7am.
> Wood burning insert supplies most of the heat in our normally mild winters.-
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>
> - Show quoted text -
take a look at the initial pro install cost with gas line upgrade and
possibly flue upgrade.
the energy saved will never exceed the high upfront costs in thew
warrantied life of the heater, max 10 years.
traditional tanks today are highly efficent, with their foam
insulation. just go and feel a recent production tank it wouldnt be
hot to touch, standby losses are very low.
at low flow rates heater may not trip on or water may be scalding hot.
Are you trying for endless hot water or attempting to save energy?
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