the house I live in has tons of problems but not this. there are 4 showers, 3 kitchens, 2 laundry, and I have never had the water run cold from hot running out. I’d trade that for internet that doesn’t randomly cut out for hours at a time.
Thankfully I have a tankless water heater and don’t need to deal with this anymore.
How has the electricity bill changed after switching to it? I’m on the fence for getting one.
I’ve switched from similiar-sized apartment with a tank heater to a house with a tankless heater. My bills are close enough that it isn’t super easy to tell. total it was about 20-40 more a month for the location switch.
The real difference is how often you use it. You’ll save money if you use it sparingly (as opposed to an always on tank heater), but you’ll definitely spend more if you don’t (because infinite hot water access!). Just make sure it and it’s power source is sized for the house it’s going into.
You’ll definitely want to pay for an electrician to get it on a dedicated circuit to power it. Otherwise you’ll just get infinite tepid water instead.
I’ve talked to many plumbers about this and what I’ve learned is that if you don’t have gas, it won’t be as good (on average). New construction with dedicated power is a different story, but retrofits are often limited to whatever the old water heater was using, which by definition isn’t enough. Running new power is likely to be a headache.
Now that you’ve mentioned it, I’ve never considered tankless water heaters being gas powered also as an option. My house is all electric so I only have that variable to deal with.
I’m an electrician. I haven’t been impressed by most of the tankless systems I’ve hooked up. I would definitely go with gas unless you are willing to run some serious power. Most hot water tanks pull about 3000-4500W or 12.5-18.75A at 240V. A good tankless system is upwards of 18000W or 75A at 240V and some can be around 36000W which works out to 150A. This will easily be the single largest electrical load in your house, unless you also have an electric furnace or something. Depending the size of your electrical service and what else you have in your house you may need to upgrade the electrical service going to your house as well. Most Residential Electrical services are usually 100-200A in my area.
I mean I know things are different here in Europe but 18kW for a water heater? Why? I have one that plugs into a regular outlet, so no more than 3.5kW, and I have no issues whatsoever. Sure, water isn’t boiling hot out of the tap, but I can take showers no problem and usually need to mix a little cold water to make it comfortable. Why would you need any hotter water? Or is there some other reason why you need so much more power in an american system?
Good lord, well that puts that into perspective, thanks.
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Dishwashers use much less water.
They also corrupt the soul.

Just like electricity and indoor plumbing lol
Yeah, don’t even get me started on this thing called “Lemmy”
thats the soap pod companies
Our house has zero issues like this and I have no idea why not. I can flush the toilet while she showers, no problem.
This isn’t some fancy new home! It’s Habitat for Humanity, tight structure and insulation, shitty amenities. 🤷🏻
It just depends on how the water is routed to each appliance. Some have them inline, so running one affects the other. Some have them separate. Some do a bit of both
It’s more complex than that.
If the sink is in-line after the shower, and you turn it on hot to flush the cooled water, it drops the pressure on only one supply line, and the bather gets hit with cold water.
If the sink is in-line before the shower, and you turn the tap on warm as the hot supply is already flushed of cooled water, it drops pressure in both supplies roughly equally, the bather might notice a pressure drop but no major temperature change.
If the sink and shower are on separate branches, and you turn the sink on hot to flush the line, pressure drop on one line, but not as noticeably to the bather.
If you have a hot water recirculator, you don’t ever need to flush cooled water from the hot line.
Similar, but reversed, issues occur if you use a cold-water draw, like a toilet, hose, washing machine, et cetera.
If the shower has a thermostatic mixing valve, it will compensate for some pressure drop on one supply line to keep the temperature consistent. They’re common now, but to retrofit older showers you need to break open the wall, so it’s uncommonly done short of a major bathroom remodel, if the homeowner is even aware of the technology.
I would just stay out of the light of
firewater and just wait. And like waste more time…I mean when I was younger I was petty af and I didn’t care about running up the water bill, so please don’t judge me for wasting water lol…
But yea I kinda just chill… literally… outside of the water… until I can sense the warmth again…
Don’t feel like raising my voice, they’d just ignore me…
Also… sometimes its the pressure… its annoying when it gets low pressure, doesn’t feel as satisfying…
Newer homes have tankless constant water heaters and it’s the greatest thing in the world.
doing the math, tankless heaters use insane amounts of electricity. we were gonna use one for a detached guest house so we could skip the insulated pipe, but holy shit the cabling we’d have to install
Depending where you live, the tankless heater might run on gas.
Which is sometimes better for the environment than the electricity, if the grid is coal powered.
I have a tankless water heater and a designated propane tank for it.
In our older house, we got endless comments about how tankless is the greatest thing ever and we should get one. In our new house, we have a tankless and we get endless comments about how they’re not worth it and will break and we should get a traditional water heater.
That’s the problem with listening to tankies.
gotta be specific, but my tankless water heater has actually been pretty okay actually.
Context! I live in Texas, which actually has some pretty great renewable use compared to other states. My personal plan isn’t solely wind powered anymore, but it has been in the past, and still partially is right now.
My house is a super cheap remodel. The tankless water heater is completely electric.
My repair costs have been as follows: complete replacement of the heater cores: 70$.
- two out of three failed over the course of a year and a half.
- I also paid for the plumber to figure out what the issue was, but i’ll be able to replace them on my own pretty easily whenever this happens again
I also paid plumber and electrician costs to move the water heater so i could actually get at them without pulling the whole thing off the wall (thanks shitty remodel!)
$200 for the plumber to run the cleaner through it, since i have super hard water here
- and another half grand to install the valves required to actually be able to do that (thanks shitty remodel!)
- I’ll be able to get my own cleaning kit for one to two hundred online in the future.
So like, because i’m new at taking care of one, and because of the shitty remodel, I have paid over a gran in ‘repairs’ on the thing. But, at the same time, the next time it needs replaced heater cores, or to get it’s annual cleaning, it’ll cost me basically nothing.
Energy costs haven’t been much more expensive than a tanked water heater either, but it’s hard to compare considering those tank water heaters also ran in a different location with different AC needs. And I take super long showers, which I was straight up unable to do before moving here. I don’t pay too much more than previously despite that though.
Most importantly! I can take hour long showers without running out of hot water, and being honest, that’s really the biggest deal for me. I don’t always do that, but sometimes I just wanna relax for a while and running out of hot water is a bitch when I do.
I’d honestly recommend a modern tankless water heater, so long as your electric can handle a load specifically sized to your house, even despite the problems i’ve had surrounding my own.
Jeez, I’m hardly in that much for my whole tankless + install
Is your tankless heater electrically powered? How much is the electricity bill? I’m on the fence in getting one because of that whole flip flop
I’m sure quality can vary wildly, but the one I have right now seems to keep water hot for the whole house even when people are taking simultaneous showers. I also imagine there are some really efficient tank heaters out there too.
I think at the end of the day, all we can really agree on is that synapsids were really weird looking animals but probably would be like any large land animal who bonds with anyone who adopts them at an early age and were likely affectionate and loving despite how terrifying they were.
Older homes with tankless water heater experience the opposite reaction: when someone flushes a toilet all the cold water rushes there. And you get some: hot - hothot - boiling! water.
This took me a minute. I can’t remember the last time I was someplace that didn’t have a balancing valve.
What sorcery is this “balancing valve” that I’ve never heard of or had the pleasure of experiencing!?!?!
It maintains the same temp, even when hot water temp or pressure is changing
I can’t speak for everyone but here’s what mine like like:

The fuck?
This exist?
Did I live under the bottom of a well or something?
That would explain why your water’s so cold, at least
It doesn’t even need to be that fancy. Basic ones will just react to reduced flow on the hot or cold side by reducing the other side proportionally to keep the temperature roughly the same.
Ah, called a thermostatic valve here I think? Maybe?
Something that breaks after 10 years time.
…and that there was no planned access to for replacement.
They’re actually not hard to replace at all. Just look up “shower cartridge replacement” on YouTube.
I’ve had to replace the entire mixing valve so that’s what I thought of. Too old for a cartridge or also so old the cartridge was frozen in place. A pain usually.
Yeah was a problem with back when you couldn’t be on the phone and the internet at the same time. Or you still live in a really cheap fucking apartment?
I am living in a good enough apartment and is still suffering from it. Well, the apartment is old now, maybe that’s why…
still live in a cheap fucking apartment
Welcome to the majority of America living situations. And most of the time they aren’t even fucking cheap. To live in a place with basic standards of living that are in line with modern tech is a luxury here.
Not just the states….im in a (rented) house in Germany that was built in the 90s (so not that old to compare to a lot of other houses here) and deal with this everyday. Coupled with the insanely long cleaning times and frequency of use due to how small they are for the “economic” washing machines and dishwashers, fluctuating water pressure and water temps are always a surprise….
Is it like that? I remember this being an issue in the 1970s. Even crappy old places that I lived in as a student had balancers. I think they’ve been required here since the…90s?
Required? In the states? Nah. My last house in the states was built in 2000, not a single balancing valve or thermostatic valve in the place. 4 bed 2.5 bath.
Funny they just said “here” and you assumed the US.
The original comment said “welcome to the majority of American living situations”
Lol “required”. Landlords in this shit hole are barely required to have a habitable domicile much less one that is updated to modern standards.
Hehe, this used to happen a lot to us in our previous home.
No woman will ever complain when a man is doing the dishes.
Never fuck with a woman’s warmth.
Life ah, uh, finds a way.
Youve never been to my house
Has more to do with what temperature they run than their gender. My wife runs hot, so she wouldn’t. My ex runs cold. She absolutely would.
Hmm… how much water is One Punch Man using? Really you just need two basins, one with lukewarm water (with soap in it, for cleaning) the other can be colder (without soap, for rinsing.) Saitama really doesn’t need to keep the tap running.
Uh, you need even less, you first wet everything. Then stop the water, scrub everything with soap. Then turn water on and quickly rinse everything. Depends on the amount of dishes but you should never use enough water to freaking fill the basin, that’s insane amount of waste.












