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New Water Heater - Tankless or not?

Posted on 12/23/16 at 12:56 pm
Posted by Big Pun
Baton Rouge
Member since Mar 2009
3504 posts
Posted on 12/23/16 at 12:56 pm
I'm looking to replace the water heater in my house and I think I want to go tankless but some say they have issues.

- House was built in the 50's / 60's.
- Water heater now is gas and is in the laundry room, so not in the attic.(one of my reasons for going tankless, it will free up a little bit of room)
- around 1500 sf house, 2 full baths.

Opinions on tankless? pros / cons.
What brands are best? I've been told Noritz or Rheem.
How hard are they to install? the heater in place has been there for over 20 years so I would think the venting needs to be changed.
My hot water has the rotten egg smell when it first gets hot, am I wrong assuming this will resolve?
Posted by Cosmo
glassman's guest house
Member since Oct 2003
120163 posts
Posted on 12/23/16 at 12:57 pm to
Tankless
Posted by ellunchboxo
Gtown
Member since Feb 2009
18778 posts
Posted on 12/23/16 at 12:58 pm to
Do you have city water or a well?

If it's a well, your pump might not provide enough pressure.
Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
65517 posts
Posted on 12/23/16 at 12:58 pm to
quote:

Big Pun
Tough decision.

Figuring this out is a tankless job.
Posted by SECdragonmaster
Order of the Dragons
Member since Dec 2013
16169 posts
Posted on 12/23/16 at 12:59 pm to
quote:

Figuring this out is a tankless job.


And your wife won't even tank you for all the time you spend researching the options.
Posted by LSUTigersVCURams
Member since Jul 2014
21940 posts
Posted on 12/23/16 at 1:01 pm to
quote:

Tankless
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
30865 posts
Posted on 12/23/16 at 1:02 pm to
Tankless. I had two Rheem ones in a previous house, no issues.
Posted by crimsonsaint
Member since Nov 2009
37247 posts
Posted on 12/23/16 at 1:03 pm to
Tank type would obviously be the easiest route. Take out the old and connect the new. Tankless are more expensive and you'd have to modify the existing plumbing some if you put it in the same location. Tankless come in vented and ventless. Ventless would have to go on an exterior wall.
Posted by CaptainsWafer
TD Platinum Member
Member since Feb 2006
58304 posts
Posted on 12/23/16 at 1:03 pm to
Rotten egg smell is coming from the tank.

And have an upvote for not calling it a hot water heater.
Posted by baldona
Florida
Member since Feb 2016
20386 posts
Posted on 12/23/16 at 1:06 pm to
The only downside I've seen with tankless is that it takes a little longer to get hot water.
Posted by doubleb
Baton Rouge
Member since Aug 2006
35881 posts
Posted on 12/23/16 at 1:10 pm to
How long do you plan on living in that house?
If it's for a long period, I would go tankless and pay the extra money for equipment and plumbing work.

If its for 4 or 5 years then I'd replace it with a water heater with a tank.
Posted by Big Pun
Baton Rouge
Member since Mar 2009
3504 posts
Posted on 12/23/16 at 1:14 pm to
quote:

Do you have city water or a well?


Baton Rouge city water.
Posted by crimsonsaint
Member since Nov 2009
37247 posts
Posted on 12/23/16 at 1:16 pm to
quote:

The only downside I've seen with tankless is that it takes a little longer to get hot water.


You can fix that with a circulating pump.
Posted by doubleb
Baton Rouge
Member since Aug 2006
35881 posts
Posted on 12/23/16 at 1:19 pm to
quote:

You can fix that with a circulating pump.


How would that work?
Posted by Aristo
Colorado
Member since Jan 2007
13292 posts
Posted on 12/23/16 at 1:21 pm to
My house was built in the 30's and we swapped to tankless. If you have a teenager, you won't regret it.
Posted by Big Pun
Baton Rouge
Member since Mar 2009
3504 posts
Posted on 12/23/16 at 1:24 pm to
quote:

The only downside I've seen with tankless is that it takes a little longer to get hot water.


It takes a bit longer than I've been used now, so this is a concern I had too.

quote:

How long do you plan on living in that house?
If it's for a long period, I would go tankless and pay the extra money for equipment and plumbing work.

If its for 4 or 5 years then I'd replace it with a water heater with a tank


This is really an unknown at this point so hard to use this as a factor.
Posted by 5Alive
With Your Moms
Member since Jul 2009
7659 posts
Posted on 12/23/16 at 1:27 pm to
Rotten Egg smell is sulfides of course. Drain the tank and turn the heat up. If the water is not hot enough it will allow the bacteria to grow and the continued smell of rotten eggs will stick around. Depending on your water source with the tank vs tankless issue is key. Harder water I'm going tank all day. There will be some maintenance with tankless water heaters involved in a hard water scenario.
Posted by Spankum
Miss-sippi
Member since Jan 2007
55970 posts
Posted on 12/23/16 at 1:27 pm to
The benefits of tankless is that you never run out of hot water and the unit is smaller.

The benefits of tank are purchase maintenance. and installation costs are lower.
Posted by 5Alive
With Your Moms
Member since Jul 2009
7659 posts
Posted on 12/23/16 at 1:29 pm to
quote:

Rotten Egg smell is sulfides of course. Drain the tank and turn the heat up. If the water is not hot enough it will allow the bacteria to grow and the continued smell of rotten eggs will stick around. Depending on your water source with the tank vs tankless issue is key. Harder water I'm going tank all day. There will be some maintenance with tankless water heaters involved in a hard water scenario.


My bad i didn't respond directly to you.
This post was edited on 12/23/16 at 1:31 pm
Posted by jack6294
Greater Baton Rouge Area
Member since Jan 2007
4033 posts
Posted on 12/23/16 at 1:29 pm to
Put the new tank in the attic. Saves money, solves the problem.
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