Tankless Water Heaters (COMPLETE GUIDE) | GOT2LEARN
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- Опубликовано: 11 май 2024
- Here's a COMPLETE guide on tankless water heaters, if you are looking to install one, please watch this before so you are better informed. In here, i'll go over THE DIFFERENT TYPES, HOW THEY WORK HOW TO MAINTAIN THEM and all THE PROS AND CONS about them, don't forget to LIKE and SHARE!
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INTRO - 0:00
TYPES OF TANKLESS HEATERS - 0:57
HOW THEY WORK - 2:18
MAINTENANCE - 6:09
PROS AND CONS - 8:42
DISCLAIMER: Got2Learn is NOT responsible for any damage done to a property of which the plumbing wasn't done by a professional, I do not recommend doing your own plumbing if you are unsure about what you are doing, always hire a LICENSED contractor when doing any type of plumbing so you can be covered by insurances if something does happen, these videos are for entertainment purposes only!
Very cool stuff. I have been living off grid for many years now, and have two hot water on demand. One for the kitchen, and one out for the shower. Both are a $250 unit from home Depot, pretty simplistic. Line in, and a line out, plus propane connection. They work very well, yet I was unaware, that I should be cleaning them. So thank you for the heads up.
Installed tons of "caliphontes" in Ecuador. Beauty was they ran off batteries 9 volt or AAA cost $300 bucks and ran off propane, the number one problem was the flow switch, $20 replacement part, did a lot of hybrid solar heaters ac/ sun $450 from China . Regulations are slack but no one ever blew up that i knew, my favorite was the 120 shower head, i called it the Ecuadorian electric chair, actually rented a place that had a 120. 30 amp breaker, disconnected and converted to gas in the actual shower lol. Life is dangerous so live it with gusto.
awesome video, soo glad you did this one.. my parents went propane tankless next-door.. a 1 room house, its a self ventilating system,-a single metal pipe sticking out the wall. tank is mounted inside. my parents loved it. cold well water . I am thinking of going hybrid, get rid of my electric tank, to compliment my pex manifold set up. only place i have to put it is my basement. .. i am on the fence with that.. here in Maine. basement never freezes.. always the coolest place in the house. well water also.
This video is a masterpiece. The attention to detail in the animations is phenomenal!!
Thank you sooooo much 🙏🙏🙏
Great video. I been watching this video multiple times. Great information in this video, it give me more confidence when I’m educating my customers about tankless. 👍🤙👌🏼
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Love the detail on the animations. Also love the stamp that's worn on the plywood - I appreciate the subtle details. :)
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I live in Austin and made quite a bit of money swapping these out after the snowpocalypse. I went to one house as a favor to another customer in a different neighborhood. This was the Sunday after the storm. It was a cookie cutter neighborhood and they all had noritz exterior heaters in those built in boxes. I ended up with 25 customers just from that neighborhood and probably could have gone door to door and gotten more but we were already pretty overwhelmed. That Sunday I barely made it out of the neighborhood because each customer had one more friend who needed me. Anyway I’d still recommend putting these outside. As long as they have power they can handle below zero temps. If you do put one outside, I’d recommend getting a generator or some back up plan in case the power goes out. The thing I wouldn’t do is install the metal boxes for them. Matt risinger already did a video on how bad these are. The main reason is it’s an easy way for water/air to get in your house because they’re hard to seal completely. I don’t remember the other issues he had with them. The main problem I had with them was they’re brand specific so they’re designed to fit one style of heater. Basically everyone was limited to buying one specific model of noritz heater. When there’s a shortage because of a statewide record storm combined with a pandemic you don’t want your options limited to one model. There were two houses where I put different heaters in. One I installed a Navien and another I put in a rinnai. However this was costly because none of the pipes line up and you only have about a foot of space to work with. Also you have to cut off mounting brackets and grind down screw heads to fit the other heaters in. Also the hole in the cover for the vent doesn’t line up so you have to cut that. This just makes it look bad. The person who went with rinnai had to go from the 9.8 gpm model to the 7.5 gpm model because it’s the only one that would fit. The 7.5 was too small according to sizing but practically speaking would work. I guess if they all take showers while running the dishwasher and washing machine they may have an issue. Anyway, the moral of the story is I’d still mount them outside on the wall. The odds of having another storm of the century are slim to none. Though the ideal place is to put a condensing model in the garage. This way you can just put a pvc 90 on the combustion air side and then all you have to do is run the flue vent outside and you can do it in 2” pvc which is really easy.
I've been interested in these since I bought my house. I've researched them on several occasions since. I've just learned more in your 11 minute vid then in the past 5 years. I LOVE how you explain things clearly and give the pros and cons. Can you cover solar hot water heating in the future? Keep up the GREAT work.
Noted! Thank you sooooo much 👌
Just FYI, when adding a gas tankless to replace the tank model you must know the BTU's that your home calls for. The gas line to a tankless has to be 3/4 and if your meter is not able to produce the BTU's needed the tankless will not operate. Many homeowners do not know this and get screwed in the end when they have to Up size the gas line.
@@sheltdog8463 I think some newer boilers can do 1/2".
Great job, man! But there's one mistake: the circulation pump is set on a heating return, not on a domestic water line. When you're opening hot water tap, the water flows by its own pressure, and flow sensor plugs heater in a hot water mode. So there is no needs in circulation pump on a domestic water line. Otherwise, you did a Titanic job! Greetings from Russia, and sorry for my poor English!
Thank you so much!!!
@@Got2Learn that is true about the water flow. I also know that some combi boilers (Well, some did in the old days, not too sure about all modern ones) won't allow the heating to fire up if there is a dripping hot tap somewhere in the house, if the boiler senses that slight water flow, with the domestic circuit, it always overrides the heating circuit.
@@mickk8519 niceee!!!
@@Got2Learn sorry, should have added, you do some great videos young man 👍🏻👏👏👏
@@mickk8519 thank you sooooo much!!!
Awesome job in making the video, really appreciate the effort you put into education
Thank you soooo much Radko!!!
The animations were great, and the humor on point. I saw the little spider you put in there, too. Great video, and I'd love to have more things explained in this way. The step-by-step on the descaling was nice.
Heheeee thank you so much, hope you aren't affraid by the little spider hihi 🤘🤘🤘
Thank you so much ! 🙏😊
We have tank water heater, because our house it’s brick older style. Although we had to do some interior work, five years ago I believe it was worth it.
Great video. You can get a device that you clamp onto the hot water line coming out of the tank that uses am radio waves to dislodge existing and prevent future build up of calcium or scale build up in the lines. It also works in reverse and keeps the heat exchanger clean so therefore once installed you would never have to flush the unit eliminating that yearly maintenance. Also there is a flame rod sensor located on the primary heat exchanger that can get carbon build up on it causing the unit to not function properly. It is held in with two screws and once removed just go over it with a steel brush and reinstall. Do this every other year along with the other small maintenance and the device should last more than 20 years!
Thanks for the insight...
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@@justayoutuber1906 depending on the frequency the electromagnetic or RF waves can still get into the copper piping. The device you connect to the piping is what allows it to work. As the the scale build up it doesn’t boil, it just breaks away from the walls of the piping and comes out of your faucets. If you have a lot of scale buildup the aerators on your faucets will need to be cleaned out until all the scale build up is removed from the piping.
Great video as to maintaining your tankless water heater. A water softener may be a better choice to have IMO
Thanks for this video, it's awesome! Back in the 1990s, our business suite had an "insta-hot" hot water heater for the sink (the only hot water in the place, meant for washing hands, basically nothing else.) In a situation like that, of course it made perfect sense. It was electric 240V and only kicked on when the water flow was above a certain rate. In the latter years, it took more and more flow to make it kick on. Sometimes it wouldn't. We didn't know about maintenance, we just used it for 25 years. It did it's job nicely in general. The water was above warm but not cold and since it was installed right below the sink, you had warm water almost immediately.
I thought at the time, how awesome that would be if every fixture in a house had one rather than the water tank, but realized it would be expensive and would likely break down more often since there would be more of them. Now, with this video, personally, I'd rather have the inefficient old fashioned water tank system. I just wouldn't want all the fussiness. Thanks again for the video, now I know!! 😀
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Running a small 18Kw tankless in my small home in the mid section of the US. The water is pretty soft which is nice, about to do the first flush of the system after a year. The water where I'm at doesn't drop people 50F most of the time so 18Kw is doing the trick for light use.
Great video man , your videos are more informative then what they’re teaching here in Mtl plumbing schools
🤘🤘🤘 you are most welcome 🙏
Congratulations on a super video, your channel really is going from strength to strength!
Thank you so much, I really appreciate it!!!
another Jam packed vid ... you have published sooo many vids ... and so much content can be revisited. always a superb job and love all of them
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Awesome video. As an HVAC contractor/installer I'm learning some thing new every day.
Awesomeeee!!!
Great video .... need to do this for some new spaces where the actual water heater for the space is practically on the moon
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Nice explanation. In my own house I placed a tankless, small, electric, on demand unit at the kitchen faucet. I installed an electrical hot water tank (50L is engough for only me) for the shower and the tap in the bathroom. For the heating I switched to IR (infra red) electric heating. In combination with my solar panels on the roof that saved and still saves my a lot of money on energy costs.
Niceeee, green is the future!! 🥦
This was useful. I think I'll look into Tankless. Thanks.
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sweet video thanks. I didnt know the difference between the different types of tankless before.
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I can't believe I can watch this for free. Ive been to a navient tankless demonstration and learned nothing but the number to their assistance line.
🙏🙏🙏 thank you, please share 😇
always a great rewatch toooooo
;) thanks thor!
Great video bro! I design systems but I wasn't familiar with the need for vinegar maintenance. I found this information very accurate. The only thing I would critique is covering the fact that the condensate is highly acidic and needs to go through a neutralizer before dumping to the drain. Keep it up!
Thanks for adding that in Cybek 🙏🙏🙏
Excellent explanation as usual 👍🏻
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Great video, cool graphic animation, the spider descending on the right, adds a bit of humour, nice work!
Never tought anyone would notice that, guess I was wrong ;)
Timing is perfect, I am building a house and need this!
Yes, awesome!!!!
The cost isn’t bad if everything is done new construction. Lines and exhaust have to go in no matter what.
Love your videos. Anytime I'm looking for a plumbing video on RUclips I make sure to see if you made a video about it first! Subscribed & thanks for the content! Just got a combi boiler so I'm interested in learning it inside & out
Sooo coool, thank you sooooo much!!!
This channel is fantastic.
Thank you so very much!
You forgot to mention as a con, the fact that it doesn't work very good in cold climates, the reason of this is because the Delta; the difference between the temperature of the water going into the the tankless water heater. During the winter time, the water that it's been supplied, comes really really cold, and the tankless water heater is totally incapable of heating the water that fast and make up the difference. I have seen water as cool as 40° F, and to reach 120° is almost impossible. I'm sorry if I get lost in translation, I love your channel!!Keep it up the good work.
100% thanks for adding that in!! 🤘🤘🤘
Not accurate. These companies do not clearly tell you what size unit to buy. In Philadelphia in February water temp. was 38* F. So the unit needs to heat up to 115-120*. They tell you 4 showers, yes in Florida with 70* incoming water. I bought a Noritz 9.8 gal per min for New Jersey and its fine!!! I don't work with any company! Nat. Gas.
False. Works in colder climates.
Great video again I will send it to my son.
Thank you so very much for that, you rock 🤘
Lol, the battery drill was a nice touch! 😄
There's a few "hidden" ones, try to find them 🤭
I installed a hybrid hot water tank, love it!
Niceee!!!
Which unit did you go with? If you don't mind me asking. Our climate is always hot where i live so I think a Hybrid will work best. Not to mention the added cooling it provides during operation.
Great tutorial!
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Thank you this video is very good presented and well explained. One thing that is not mentioned in this video is the diffrence between a "water tube" and a "fire tube" heat exchanger . (The fire tube is usually only In the more expensive ones)
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Great video....don't know why it didn't show up in my suggestions until now as I always watch your videos right away!
I have two things to add. First, installing a hot water tank, especially electric is relatively easy plumbing. Second is, I believe you can go with a small holding tank along with the on demand tank for the best of both worlds, although I'm not sure how common this is due to increased costs.
Great video....as always!
Yeah, sometimes RUclips forgets to put em' out, dunno why, thanks a million !!!!
Can you make a video on water softener and central water filtration system?
Good onfo for me a designer thanks good job
In 2012, my father and I replaced an old tank with a Rinnai tankless and it has been mostly a great experience. I agree that the cost savings really do depend. One of my daughters alone has eliminated any cost savings, because she has little incentive to take showers under 45 min. If it wasn't installed in the corner of the crawl space in thr basement, I'd turn the thing off 25 minutes in.
Why not just use a wireless water valve and control the flow from your phone.
I don’t know if you can depending on the age of the unit but you should be able to get another (thermostat on/off) part that allows you to place it further away from the actual unit and in a place that’s easier to access. Some have to be hard wired in but to save money it might be worth looking into.
PS hope your daughter doesn’t hate me for this input :)
Its a Rinnai RL94iN. I don't think it's worth altering anything. I don't care about the money as much as it is just another thing to be a parent about. She's in HS, so she has all the answers and has figured nearly everything in life out already
@@ccbowers ah to be young and know everything haha. Well as long as you’re happy with it, for the most part, then I would keep it the same. If you have to replace it then you can look into something different. Rinnai now offers a control module that connects to your homes WiFi so you can control the temperature and other settings from an app on your phone or tablets. It actually might even connect to the into you have because you connect the module to the unit itself. Each year they keep getting a little better and little more intuitive with battery backups for power outages and such. The older units you have to add stuff like that on yourself however. That was the biggest issue I saw with them in the beginning was since you have to plug it into an outlet you would lose your hot water in a outage unlike if you had a standard gas tank type water heater. I told my customers to go to a office supply store or online to purchase a surge protector with battery backup so they could have a few days of power if needed in a storm. Anything that help keep people happy and with the ability to have hot water when needed is what I say.
Nobody needs a 45 minute shower. She must lead a leisurely life with zero responsibilities. My showers take five minutes if I'm having a very slow morning.
Amazing job of breaking down a complex subject! I'm guessing your hydraulic separation is somewhere else out of the animation? All joking aside, great work, it's clear you know what you're talking about. If the opportunity ever came it would be fun to work together if only for one job. It seems we do much of the same work based on the knowledge base you present.
Thank you so much Len, I love working on these animations, even if they are a pain to make, cheers!
Tank water heater are far more common in the states, when I moved here from the UK, that was one of the biggest pains. Simply having hot water on demand is a huge help to most families, and I wish it was more common here, but longevity is not a strong suit of the US.
Great, detailed video, as always. Thanks!
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How about a videos about the electric ones? (without gas)
Thank you for sharing.
If you live in a sunny area you can also install a solar heat panel (not electric panel) to have it heat the tank at no extra coat. This only works with a tank. it mostly works when its sunny and hot when you don't need that much hot water anyway.
Thanks for not calling them "Hot water Heaters"!!!🙄 Great video👍 I use a gas tankless at my house , power goes out no problem! computer power back up works great since it only requires a small amount of power to operate, about the equivalent of a 25watt light bulb for the igniter, I've also used a inverter off my truck in a pinch😉, for flushing I used a couple of gallons of vinegar, 5 gal bucket with a couple of washing machine hose's and a recirculating pump off of amazon, less than 70.00 for everything and reusable! as apposed to the pre made kits for over 150.00
What software do you use for drafting your plumbing videos ? I have a customer that I would like to demonstrate the planning/reviewing for his plumbing project 👍
Thank you for your videos! They are great.
We lost power for about 40 hours two weeks ago. Wasn't a huge issue because we had a generator to power what we needed to and our water heater is a 50 gal. gas water heater so we never lost hot water. This is another plus in my mind to a tank water heater as long as it only uses natural gas to operate.
In my old home I had 80 gals of solar feed hot water. The pump for it ran off solar. Needless to say hot water was free and well if we lost power it was never a problem. The hot water in the tank was kept around 165F and mixed down. It's amazing how well solar can heat water. Best return on my investment.
cool video !
Glad you enjoyed it!
Very informative explained a lot not too crazy about the robotic commentation though 🤣
I’ve done a lot of research on the electric brands and ecosmart is definitely the best
Thank you for this tutorial. Wouldn't also be a good idea to add a water filter to the tankless system?
Only if you have a sediment problem already in your water to your home. Like constantly having to clean out the aerators on your faucets.
Depends if you live in a hard water area, I have a small cylindrical filter connected to the mains water just before it enters the boiler, even though I live in a soft water area, it will lower the amount of limescale.
Nice!!!
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Dude, how did you get a picture of my cinder block basement wall? I swear that looks just like my basement!
LOLLLLLLL
That is a pretty impressive and simple system. I just wonder how effective it would be the the water temperature in winter, and we also have very hard water where I live. Bonne journee mon ami.
Yeah, you'd need one of the most powerful ones here or they wouldn't keep up, have a great day viper 🤘🤘🤘
@The Joy Of Self Employment cool 👍
Can you make some videos on boilers? Like system 2000?
I know cost can vary wildly but if you had to give a ballpark, average estimate of purchase and installation of a tankless condensing unit, what would you say?
I haven’t given it serious thought yet but I have considered switching to a tankless system. There’s 8 of us in the home including myself, wife and 6 daughters. So shower/bath time can get interesting for the one or two that go last.
My new home builder installed this in my townhouse but interconnected the domestic loop with the heating loop and added a automatic zone valve that opens and closes whenever the thermostat calls for heat plus there is a small storage tank in the mix for domestic hot water as well. It looks overly complicated to me. I was thinking of separating the two loops completely. Would this be an issue in the summer when the heating is off for many months without recirculating at all in the heating loop? I was told they combined the two loops so that one doesn't turn off when the other is in use but if domestic takes precedence than why would that matter?
I never even saw one of those. I know tankless coil inside the boiler. Also oil fired equipment is prominent where I live. A few people have gas, and no one has electric heat or hot water. I've seen it but it's very rare.
I install navien tankless and they're great units. People have a lot of misconceptions about tankless water heaters until we educate them.
Electric tankless to me are not very good considering most houses run off a 100-150amp panel down here in Houston. The temperature rise is where people get the bad notion of thinking all tankless limit flow. Tankless have to send water out at the proper temp. People do not understand these units so I appreciate your video!!
My pleasure, thanks for the input!
Should Scale Inhibition Inline Water System be installed with it? Would you still need one if you already have a water softener?
6:46 haha, that spider
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Can this be used in a salon ?? And which one is best
Love the channel… also are you the Sylo gaming guy? Lol
Yup LOL
@@Got2Learn god damn lmao between the voice and accent I thought it might be, but your mannerisms gave it away. Love all your channels mate
Having used both with years of experience I would stay with a traditional tank system. Everyone always says they will save you money. However, a thankless model will use more gas or electricity thank a tanked model. Ex. My tanked model gas bill for a typical month is $21, the thankless model gas bill was about $45 a month. In addition the thankless model will waste water because it takes forever to get hot water at point of use. Not to mention the reduced flow rate from a tankless. Realistically the ONLY advantage a tankless unit has is for large families so they can shower with hot water continuously. My family of 4 with a 50 gallon tanked system has never had a problem with running out of hot water.
Reduced flow? Perhaps you had an underpowered unit. I've never noticed this issue. I could imagine if 3 people were showering simultaneously that could happen, but with a tank i that scenario you'd be in a worse spot. I agree that delay to hot water is a significant downside
I guess it depends a lot on usage patterns. My tankless cut my gas bill by about 75% compared to the 40gal. tank it replaced:
ruclips.net/video/OBpjMeCODHk/видео.html
I notice no reduction in flow in normal use,. But I did rig up a test where I pushed the heater a bit beyond it's maximum BTU rating and there I did see it cut the flow a bit to maintain the hot water temperature, which I had set to 140F. I also only see a short additional delay in getting hot water at a tap, maybe 5-8 seconds more than what the old tank heater did. That will depend a lot on the hot water plumbing layout in the house. In my house, the old tank was actually in a very central location and hooking the tankless up in the same location kept the hot water delay quite similar, maybe ~25 secs. with the tank and ~30 secs. with the tankless. That could be solved with a recirculation pump. But for me, the added cost and complexity of a recirc. system is not worth the small time and water savings. However, if the city would put out a rebate program for doing this, I would probably jump on it.
You can also get a model with a recirc pump that keeps the hot water line in the house always hot so you get hot water soon as you turn on the tap.
@@guardianali - you can get that fit a system with a tank too.
@@stevebabiak6997 yes ..but my comment was to the original post complaining of slow hot water out of the tap time. That if that is a concern, they make recirc pumps
Hi, How much does it cost to replace a water heater in the mtl area? Home depot is offering 440$ plus tank(550-900$).
Not bad!
@@Got2Learn Not bad?
can you make a video how to instal combi thnx
Don't they have a limited temperature range? In a Canadian winter, water is colder coming into house, so does the unit still have time to heat to a specific temp or is the over all temperature lower at faucet?
Yeah, you need to get a more powerful boiler for colder climates to compensate for the colder water or it'll be luke warm 👌
Carry a good quality air compressor if you service tankless heaters at work. You can clean filters, burners, heat exchanger fins, inside the cabinet, etc.
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Have the tankless manufacturers solved the issue of no hot water for low flow rate (ex. shaving at the sink)? When these came out many years ago that was a disadvantage.
Electric tankless is only an option for something like a half bath. You end up running 6 guage wire, which will cost more than a high end tank, and it will only warm the water 30 degrees. We did a gas tankless in a high end house, and if I had to do it again, I would run the tankless into a 20 gallon with a recirculating loop. Because it's like w minutes before your shower gets hot.
How would you tie in a recirc system to it
it's built in.
Not sure if you know this, but here goes.
When you have the simple conventional boilers that rely on zone valves to switch from heating a tank or heating the radiators. One of these set ups is more suited to a house with more than one bathroom, with a higher hot water demand.
Whereas combi boilers are limited to the water flow it can reliably heat up, therefore they can't cope with a large demand for hot water at the same time.
Now for the part some people don't realise. Combi boilers need to have a high BTU by nature, to heat up the flowing cold water fast, which makes them ideal for this. The heating circuit can be zone valved the same as a conventional boiler, therefore allowing for a hot water tank. With that method, you can have bathrooms receiving hot water from a tank, and say the kitchen and utility room receiving the mains fed hot water. Obviously any taps receiving mains hot water will still receive priority from the boiler over the heating/tank side.
And using a mains high pressure hot water tank eliminates the need for a gravity fed cold water storage tank to top up the hot tank. Also, as the central heating side of a combi boiler is pressured, it doesn't need an expansion tank like a lot of conventional boilers do.
I hope I explained that correctly.
There must be a lot of misunderstanding when purchasing a tankless, no? The model you chose may not be able to be vented in your application. If you're not next to a perimeter wall, or your existing vent is B type, and would have to be replaced, you may not be able to use your new tankless. You may not have adequate gas supply. There may be no drain available for a non condensing drip. Not enough information is given in the manufacturer's specs. I used Rennai's product selection guide. There were no fields for factors that could be major issues during installation. You'd have to wait until you got it out of the box to find out it wouldn't work. I like tank units because they are usually a direct change out. And there is no faster hot water than a tank water heater with a circ pump. And what's with a circulation pump on a tankless? It kind of negates the reason it was purchased in the first place. A tankless that is running constantly uses way more gas than a tank unit. Great video, though.
The biggest limitation on those tankless water heaters is the amount of water they are able to heat up for domestic use. Many would struggle/not keep up if you have two shower/fixtures going at the same time.
Another alternative is to install a boiler that is a higher demand instant water heater that has a lot more capacity which can handle multiple fixtures. Enough heat to add a snow melt loop to your system so you can avoid having to shovel snow off your driveway or walkways in addition to domestic demands. A little larger in size … about the size of a mini fridge.
Yes, 💯
In Ontario the gas shutoff valve should be upstream of the dirt pocket...
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If your in a cold climate, don't believe 4 showers! 1-2 depending on unit capacity. Noritz 9.8 works for me in New Jersey. Nat. Gas. Feburary water can be 38*F. 4 showers in Florida is what it should say!
It cut my gas bill to almost nothing in the late spring/summer/fall. But I only turn it on when I take a shower. Also, my tankless model was CHEAPER than the tanks... one reason I bought one... about $500-600 versus $700 for a 40 gallon tank back 3-4 years ago.
$700 for a 40 gallon tank installed or not installed?
What brand of tank?
You’ll prefer a condensation unit until you have to replace a heat exchanger.
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20 years ago I was told you can't use a tankless in northern climates where the city water in winter plummets to near freezing. Unless I missed that part in this video, is it still the case today?
why would that be the case? I think as long as your tank is located inside a heater space, it should be fine?
I think it's because they become inefficient seeing the water that needs to be heated is really cold, might be wrong though...
You need to have the tankless sized properly for your application and location. The GPM a tankless can output at your preferred temp is dependant on the incoming water temp, colder water coming in means less GPM the tankless can heat up. Best to go 199KBTU tankless for most residential applications.
You need to go with a 199k btu (max allowed) and condensing preferred since that provides the most heating capacity.
I have that with 2deg Celsius city water in winter and it easily heats up water to 50C with a good enough flow for more than a shower.
Maybe the units 20yrs ago were not efficient/powerful enough.
3:30.. burger? Lol
Burner lol, I think I had a cold when I did this video LOL.
@@Got2Learn lol it caught my ear as I was dozing off.. went back 2 more times and listened to it.. lol
@@AverageReviewsYT LOL, too funny 🍔
methane from sewer or/and wood gasifirer. and then compres
How come I never see these in Quebec? I suppose the $100 Hydro discounts on tank heaters help...
The price of hydro in Quebec is retarded. I don't think many people have Gas because electricity is so cheap. My brother had electric furnace, water tank and regular stuff and it was
There’s not enough motivation for tankless gas heaters when electricity is so cheap.
I have an older home in Montreal, and had to jump through hoops to get one. Basically had to order it online, do all the water plumbing/electrical hookups and hang the unit myself. The tech only did the gas and venting hookups.
Could not find a single company that would do the whole install, no one understands them or wants to touch them here.
Do you edit your own videos?
Yes, 100%...
Bottom line is that I'd stick with the conventional tank water heater in an older dwelling. If a lot more people knew about, and how to change the anode rod, their water heater would last much longer than 10 years. The problem is getting the darn old ones loose.
I do same, have gotten double plus the life out of a 6 year tank. I use an electric impact driver to loosen the anode rod. Depending on tank placement, having room to pull the rod out can be an issue.
@@gnic76 Did you replace the rod with the same type or did you use the more modern ones that are like links of sausages for use in tight spaces?
@@loumitch1 Nope, used a solid one, the magnesium ones aren't a stock item and it was cheaper in my area. The linked ones were harder to find at the time.
My tankless water heater uses half the energy of a tank.
@@SawmillerSmith Gas and venting upgrades are required for some retro fits; cost of the unit is double that of a water heater; tankless require more frequent maintenance ; much higher installation cost; pressure loss in times of high demand; and those higher upfront costs could take 10-20 years to offset any fuel savings. If you lose power, no hot water.
I think tanks win out except in new builds to save space and to appear more effecient
I have no electricity and live at 7500 ft ASL is there a propane, tankless WH that will work for me?
Yes!
@@Got2Learn OK. What is it?
@@paulaaron1109 you need a conversion kit, they sell them where you buy the heaters 😉
@@Got2Learn Do you know which manufacturer?
@@paulaaron1109 which brand heater do you have?
No need to know what is your video’s content is. I will give you a thumb up
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here in morocco as far as i can tell most poeple use tankless (non-condensing)
and we use 2x D size batteries to power the igniter (so no power outage problem)
also we use gas bottles, so no gas outage problem neather.
electricity (0,12 USD/kwh (depend on your usage)) is not that cheap considering the income (315,82 USD minimum wage), so electric heaters are out of the question.
and lastly using too much water because you can have infinit heated watter is not the fault of the heater its the user fault if he can't control himself :). (so to me its not a con)
I've got to marry instant water heater 5 years now the batteries are only for the temperature gauge it has a generator in the water flow to ignite it cool just a little tricky adjusting the temp but that's why you pay an extra $1,000
I’m good
Anyone else notice the spiders coming down the window?
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So, you're implying that being a plumber is a tankless job? Well, water you know!
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Why some install expansion tanks?
Because the have a "closed loop" system.
@@Got2Learn thanks for the response man
@@bojack2740 🙏🙏🙏
Natural gas prices have almost doubled and I believe will continue to rise. I was against these for the cost savings but now it’s a reasonable idea if prices go up you’ll save if they go down it would just be a hedge. If you were saving $100 a year now you will be saving $200.
You Americans are atleast 40 years behind British plumbing 😂😂😂😂
They really are, worst thing is that these combi heaters are illegal in my country now lol. So we have to invest more than 10.000 euro for new heating in our home, meanwhile they all start installing these in the US lol
If you add up 20 years of renting a tank vs. owning a tankless for that same 20 years I think you’ll come out wayy ahead.
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Your not a Plumber are you? Your graphics were nice but your facts were not all correct. You have general explanation is ok. But because there are different brands your facts are not all correct. You are using facts from Navien which is the best Gas Tankless on the market but your heat flow is wrong. On NPE which most people will have not combo. Water comes I. The bottom and main burner is on top not the bottom. A Venturi gas valve is used which makes the tankless produce higher BTUs with less gas. After the blower forces the heat through the top main burner and forces it downwards the leftover heat then goes into the secondary burner which pre heats the water. Conventional tanks heat water at bottom and are only 65% efficient and 35% goes out the flue un used and at 250 degree which also can cause fire danger and they are not lo nox where Navien is abs heat is only 130 which makes it possible to use PVC venting. Also PVC is glued together so it contains 100% of the CO2 fumes.
You did good general over view but you can’t put all tankless together.
Electric for instance will not work on most houses because they don’t have the space on their electric panel or it is too far away and the 6agw wire is too expensive and rewiring because too expensive. Also their base water is to cold and therefore they can only produce 3-5 gpm which can run two showers at once but If not in AZ the Winter water temps may be too low and then have problem with demand.
Also Navien can be installed at 10,000 feet and can be put outside with the A model which has internal recirculation to keep from freezing.
Texas had issues because the type of heaters outside like Rinnia which happens to be the number one contractor installed units in the US. However they are Copper burners not Stainless steel like Navien and all except for the new Sensei model (copied Navien) all Rinnia are Condensing so the froze and broke.
Tankless is the best way to heat your house and water. This August a 75 gallon Tank Will wholesale for $1 cheaper than a Navien tankless so there is now no reason to not install a Navien unless there is ventilation issues but almost all can be changed.
The biggest issue is the Big companies over charging g and their Technicians not trained properly to install. I install a Navien NPE240A 2.0 for $4500. Includes everything and taking old heater away. Big companies start at $5,500-$9,000 for same product.
Your correct these should not be installed by Handyman, DIY or a untrained Technician working under someone else’s license. In fact Navien nullifies it’s warranty if not installed by a plumber and any heater that was bought off the Internet. But I have also done swap outs for Navien free heaters for home owners. The last one was a 11 year old heater the very first version which had now flush valves on it so never been flushed and lasted 11 years in AZ on the outside of the house. No other Company I have ever installed their product has that good of warranty or service.
Yes I am a Journeyman Plumber for 30+ years and all I do now is Install Navien Tankless and Fusion Water Softners. People love the products and I flush their heaters and they can watch and learn to do themselves.
Again good general over view but your facts were not all correct especially the sizing of the heater. Each unit will put out a certain GPM and you need to size accordingly and ask if body washes are being used or they are gonna add a new bath in the future. This text can run entire Hotels and Hospitals and do it using 80% less space and 97% efficient
Yeah it's kinda hard to make 1 single video and to cover all the facts, I tried to generalize so that it's understandable, but yeah, a lot of stuff is missing in the video, thanks 😊