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Traum · 01-03-2020, 10:46 AM

I looked into the same issue as the OP did last year, and for my application, despite us planning our place to be our forever home in the foreseeable future, we opted to stick with the good ol' tried and true water tank.

My plumber was someone my family knows, so I don't think he was trying to upsell us. He was a very big proponent of the new tankless system due to the higher efficiency (therefore theoretical lower long term costs) and the benefit of "never running out of hot water". Obviously, the initial setup costs were higher, and unfortunately I can't remember how much the quote was.

My main concerns towards a tankless system was as follows:

- These systems are still sufficiently new, so it is difficult to tell how good it's long term reliability / service life expectancy are. My plumber say the non-electronic portion of the system should outlast the duration of my long term stay in the house, but manufacturers would only offer a 1 year warranty on the electronic portion of the system.

- I remember my plumber saying that the system will need 3 inlet/outlets -- don't quote me on this, but I think they are for intake, exhaust, and a smaller additional one for some sort of slight acidic venting type of thing. At my place, this means he will need to drill 3 holes to the outside and build the necessary piping as well.

I did not like the idea of drilling and new additional piping because of the way our place is set up. In particular, a section of the piping will inevitably need to be visible unless I want to start majorly tearing up walls, and that is definitely something I did not want to do. So a replacement water tank it is.

01-03-2020, 10:46 AM	#3
Traum RS.net, helping ugly ppl have sex since 2001 Join Date: Aug 2007 Location: Paradise, BC Posts: 8,390 Thanked 8,158 Times in 3,393 Posts Failed 262 Times in 148 Posts	I looked into the same issue as the OP did last year, and for my application, despite us planning our place to be our forever home in the foreseeable future, we opted to stick with the good ol' tried and true water tank. My plumber was someone my family knows, so I don't think he was trying to upsell us. He was a very big proponent of the new tankless system due to the higher efficiency (therefore theoretical lower long term costs) and the benefit of "never running out of hot water". Obviously, the initial setup costs were higher, and unfortunately I can't remember how much the quote was. My main concerns towards a tankless system was as follows: - These systems are still sufficiently new, so it is difficult to tell how good it's long term reliability / service life expectancy are. My plumber say the non-electronic portion of the system should outlast the duration of my long term stay in the house, but manufacturers would only offer a 1 year warranty on the electronic portion of the system. - I remember my plumber saying that the system will need 3 inlet/outlets -- don't quote me on this, but I think they are for intake, exhaust, and a smaller additional one for some sort of slight acidic venting type of thing. At my place, this means he will need to drill 3 holes to the outside and build the necessary piping as well. I did not like the idea of drilling and new additional piping because of the way our place is set up. In particular, a section of the piping will inevitably need to be visible unless I want to start majorly tearing up walls, and that is definitely something I did not want to do. So a replacement water tank it is.