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PV vs CV water heaters? danger@heat.com 12-21-2006
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Posted by Victor H Plank on December 22, 2006, 2:43 pm

> On 22 Dec 2006 04:28:53 GMT, DANgER (danger@heat.com) wrote:
>
> I didnt know there was a debate.
> Power-vented doesnt save money over atmospheric.
> The power-vented is usually twice as expensive as the atmospheric.
> Go with a tankless.
> .............and No, I dont have one........yet.
> Bubba

Bubba:
About 8 years ago I replaced existing gas water heater with a power vented
gas water heater. Same capacity and same BTU input. Youngest daughter was
senior in high school. Gas bill dropped about 15% taking degree days and
such into account. When she went to college the next year gas bill dropped
another 5%.

Just speaking from experience.

Cost was about $100.00 more than regular vented.

Merry Christmas

Vic



Posted by Bubba on December 22, 2006, 5:47 pm
On Fri, 22 Dec 2006 14:43:32 -0500, "Victor H Plank"

>
>> On 22 Dec 2006 04:28:53 GMT, DANgER (danger@heat.com) wrote:
>>
>> I didnt know there was a debate.
>> Power-vented doesnt save money over atmospheric.
>> The power-vented is usually twice as expensive as the atmospheric.
>> Go with a tankless.
>> .............and No, I dont have one........yet.
>> Bubba
>
>Bubba:
>About 8 years ago I replaced existing gas water heater with a power vented
>gas water heater. Same capacity and same BTU input. Youngest daughter was
>senior in high school. Gas bill dropped about 15% taking degree days and
>such into account. When she went to college the next year gas bill dropped
>another 5%.
>
>Just speaking from experience.
>
>Cost was about $100.00 more than regular vented.
>
>Merry Christmas
>
>Vic
>
8 yrs ago is a lifetime in technology today.
Today, a 50 gal gas water heater cost me more than what I used to sell
them installed for.
Im not going to argue but I dont think you could accurately calculate
that 15%.
When your daughter left..........certainlly Id believe a 5% savings.
That goes without saying.
About a yr ago, water heaters went up about $100 just to cover the new
safety standards they built into them.
If you purchase a 75 gal pwr vented gas water heater installed from
me, you will think you just bought a new high efficiency furnace.
Cost of both are about the same my cost.
Water heaters are out of sight anymore.
Bubba

Posted by Jeffrey Lebowski on December 23, 2006, 12:05 am


> Water heaters are out of sight anymore.

Here, the electric ones are quite commonplace...

Funny thing, I had packed one from an old rental place around for nearly 25
years...cause I was in a hurry to replace it....and was no time to
troubleshoot at the moment...

Well, the heater recently went out in the shop, and so finally the time
came--and I found a loose wire there where it attaches to the lower element.

Total cost= FREE (plus yesterday's alrerady spent dollars )....

--










Posted by chiggorrt on December 22, 2006, 7:44 pm
Goddam Canadians
danger@heat.com wrote:
> So what do you guys think about the water heater debate? I
> constantly get customers who have paid big bucks to have their home
> audited and tested for efficiency ect...They tell the customer to
> replace their conventional vented water heater with a power vented
> one. I think a lot of people assume the power vent is high
> efficiency because of the plastic vent. It doesn't condense so
> obviously it's not. I have tested both using flue gas analyss,
> found they run 75-80%. The power vent needs 120v though, so I lean
> towards the PV actually being less efficient. Faster recovery time
> though, lower input...so I dunno , confused...
>
> What do you guys think?
>
> -CanadianHeat
>
>
> --
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Posted by danger@heat.com on December 22, 2006, 11:08 pm
I've taken some training on a rinnai tankless. I wondered how well
they would hold up. Japaneese seem to have built a good machine from
what I saw. I have yet to get to install or service one though.
Thanks for the input about them Bob. I guess maintenance will be
the big issue.
Vic your numbers are useless for my original question. I don't pay
for gas so I never really get a chance to see LOL

-CanadianHeat


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