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Subject Author Date
Most efficient water heater? Don Wiss 03-16-2008
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Posted by ransley on March 20, 2008, 12:17 am
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>
>
>
> > > my tankless add on was only for use when familiy is visiting, the
> > > remainder of the time my 50 gallon high btu tank is fine.
>
> > > now 7 people pile in here, and it can become a problem espically when
> > > incoming water temperature is 40 degrees
>
> > Its alot of money to put in a tankless and not get the savings year
> > around, first you need to get the supply tested with all other gas
> > apliances running to be sure no upgrade is neded. Do 2 people shower
> > now at the same time, I dont think you will benefit having a tankless
> > before a tank and it will actualy cost more to run since both units
> > burners are probably near in efficency, I put my tankless after my
> > tank with bypass valves incase my old tank leaks, but i havnt used it
> > since installing the tankless, the cheap Bosch.
>
> its more of a idle thought, the minor standby losses of a regular tank
> dont bother me, and our tank is plenty big enough, except when family
> visits. =C2=A0with washing clothes, doing laundry and showering its a busy=

> hot water using place. and our showers have the flow restrictors
> removed.....
>
> but a new kitchen dining room gut job is a lot more likely and
> probably better of use of money:) kinda nervous the economy may hurt
> our income:( and gasoline is killing my service business- Hide quoted text=
-
>
> - Show quoted text -

With shower restrictors removed you have to be real carefull, and
measure shower output since tankless are real specific on Gpm and the
amount of temp rise, [ on the coldest day, when gas pressure is low
and everything gas is on, water is 38f incomming] you still need a hot
shower. For many a cheap unit would not work, but I guess that really
depends on your incomming mains gpm.

Posted by Donna Ohl on March 23, 2008, 10:40 pm
On Sun, 16 Mar 2008 20:27:22 -0400, Don Wiss wrote:
> I get confused with all the models. Efficiency information is hidden.

A GUI is available to look up the efficiency of any water heater,
residential or commercial at http://www.gamapower.org

For example, residential hot water heater efficiency can be obtained at
http://www.gamapower.org/water.php

Or, just call GAMA at 908-464-8200

Donna

Posted by Don Wiss on March 23, 2008, 11:01 pm

>On Sun, 16 Mar 2008 20:27:22 -0400, Don Wiss wrote:
>> I get confused with all the models. Efficiency information is hidden.
>
>A GUI is available to look up the efficiency of any water heater,
>residential or commercial at http://www.gamapower.org
>
>For example, residential hot water heater efficiency can be obtained at
>http://www.gamapower.org/water.php

What a poorly designed page! I gave up. Most annoying is each time you
return to the page to make a change it clears all your input away and you
have to reinput everything.

And it does not seem to include the model GPHE-50 (AO Smith Vertex) that I
just had installed.

Don <www.donwiss.com> (e-mail link at home page bottom).

Posted by SRN on March 23, 2008, 11:54 pm
>
>>A GUI is available to look up the efficiency of any water heater,
>>residential or commercial at http://www.gamapower.org
>>
>>For example, residential hot water heater efficiency can be obtained at
>>http://www.gamapower.org/water.php
>
> What a poorly designed page! I gave up. Most annoying is each time you
> return to the page to make a change it clears all your input away and you
> have to reinput everything.
>
> And it does not seem to include the model GPHE-50 (AO Smith Vertex) that I
> just had installed.
>
Go to link - PDF file - pg. 15 (document page 217) 4th entry down for A.O.
Smith
http://www.gamanet.org/gama/inforesources.nsf/vAttachmentLaunch/BD9C57BA8477D8E185256E9000606CD0/$FILE/12-07-gas-cwh.pdf

Also:
http://www.saskenergy.com/saving_energy/EligibleCondensingWaterHeaters.pdf



Posted by Bubba on March 24, 2008, 9:20 am
wrote:

>
>>On Sun, 16 Mar 2008 20:27:22 -0400, Don Wiss wrote:
>>> I get confused with all the models. Efficiency information is hidden.
>>
>>A GUI is available to look up the efficiency of any water heater,
>>residential or commercial at http://www.gamapower.org
>>
>>For example, residential hot water heater efficiency can be obtained at
>>http://www.gamapower.org/water.php
>
>What a poorly designed page! I gave up. Most annoying is each time you
>return to the page to make a change it clears all your input away and you
>have to reinput everything.
>
>And it does not seem to include the model GPHE-50 (AO Smith Vertex) that I
>just had installed.
>
>Don <www.donwiss.com> (e-mail link at home page bottom).

Are you sure maybe you just arent searching correctly?
When you do a "Run Query" and it comes back with no results
DONT hit the back button on your browser.
Use the "Modify Query" on the page. It rolls back and there is all
your past info you typed.
Bubba

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