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Tankless vs. Tank Water Heaters
Posted on 1/18/15 at 12:12 pm
Posted on 1/18/15 at 12:12 pm
Getting close (hopefully) to planning/building a new house. My builder mostly uses tank heaters. He said the pressure is better.
Any thoughts? Pros? Cons? I was leaning towards tankless for the unlimited hot water benefit. I have natrual gas at the lot.
Any thoughts? Pros? Cons? I was leaning towards tankless for the unlimited hot water benefit. I have natrual gas at the lot.
20
Posted on 1/18/15 at 12:14 pm to nolanola
We're having tankless installed in our new house. Only thing I've heard is it takes a little bit longer to warm up.
Posted on 1/18/15 at 12:15 pm to nolanola
Pressure and flow are two different things,if the water lines are sized correctly you will not see a drop off in a thankless heater.
Posted on 1/18/15 at 12:17 pm to nolanola
Tankless all day
Posted on 1/18/15 at 12:19 pm to nolanola
Built my house 3.5 years ago and went tankless. I got a fairly large unit that said it had capacity for 4.5 showers at once. I love it and since I never have more than two showers going at once it works very well. I have the temp set for 140 and it will scald if not careful. The only drawback I have seen is that it takes 30 seconds or so for the hot water to reach the spigot you are using but I just turn on the water and give it a minute or so to come up to temp.
Personally, I see no reason to keep 30-50 gallons of water hot when I don't need it. I think I'm forever sold on tankless
Personally, I see no reason to keep 30-50 gallons of water hot when I don't need it. I think I'm forever sold on tankless
Posted on 1/18/15 at 12:21 pm to nolanola
My sister and brother-in-law have 2 tankless systems (insanely large house). It seems to take a little longer for the water to get hot, but when it does it never stops. They planned their plumbing for a tankless system so having a good, strong shower isn't an issue.
Posted on 1/18/15 at 12:24 pm to nolanola
We built in 2013 and went with a Rinnai propane tankless. It's been trouble free so far and I would definitely do it again. It takes a minute to get the water to the other side of the house but its not an issue. I am 1750 feet from my meter and used 1.5" pipe all the way to the house. I have very good water pressure, hot and cold. I went with a 1" meter outlet instead of the standard 3/4". That was recommended by the water utility.
Posted on 1/18/15 at 12:26 pm to nolanola
My mother has a tankless heater at her house. The only big disadvantage that I can tell is that it can take a little bit to heat up.
Posted on 1/18/15 at 12:29 pm to nolanola
We have tankless in our home we moved into 10 months ago. It takes a minute or two for it to get hot, then it is hot forever. We also have a built-in whole house generator so we also always have power.
Posted on 1/18/15 at 12:34 pm to nolanola
I just built my house and have 2 tankless natural gas water heaters and they are great. I have just as much water pressure as my old house and with the natural gas it's very economical. It takes maybe 30 seconds for my water to get hot which is plenty fast enough for me.
Posted on 1/18/15 at 12:35 pm to nolanola
Waltet White endorses tankless.
Posted on 1/18/15 at 1:01 pm to nolanola
Originally, we planned tankless for our new home, but after much discussion with contractor and plumbers (one is BIL in another state with no skin in the game) we decided against tankless.
Much higher initial cost was one factor against tankless but also maintenance and reliability was also a concern.
Instead, we will run two 50 gallon tanks in parallel (this has to be hooked up paying great care with equal lengths of pipes and heights of the tanks for it to work) but everyone assures me we won't run out of hot water.
Much higher initial cost was one factor against tankless but also maintenance and reliability was also a concern.
Instead, we will run two 50 gallon tanks in parallel (this has to be hooked up paying great care with equal lengths of pipes and heights of the tanks for it to work) but everyone assures me we won't run out of hot water.
Posted on 1/18/15 at 1:06 pm to nolanola
quote:
Any thoughts? Pros? Cons?
Tankless, not even close ... The main pro, for me, is not having to deal with the awful water heater tank issues I've had in my past 2 homes & having to remove old ones & install new ones in each. Considering they were both located in the attic of each house, with attic door & ladder being in the hallway ceilings, one that was 12ft. high, and both with openings barely wide enough to get a tank through, installation was a BITCH, and God forbid they leak or completely rupture - frickin nightmare.
My new home has tankless, and it is so awesome. Pressure is great, water heats in just a few seconds (gas), & I'm completely worry & stress free about going through the awful crap I did with my previous 2 tanks. Honestly, I can't think of one reason why anyone building a home would not go with tankless.
I can't imagine traditional tanks will even be put in any new home construction within the next couple of years. They should be a thing of the past, imo, done away with for good. ... I hate them, especially in attics (dumbest idea since popcorn ceilings). ... Tankless all the way!!!
This post was edited on 1/18/15 at 1:11 pm
Posted on 1/18/15 at 1:21 pm to nolanola
nola, i'm in the same scenario... planning/building soon, and we are going outdoor natural gas tankless.... makes too much sense not to...
trying to make this house as energy efficient as possible for a few reasons....
trying to make this house as energy efficient as possible for a few reasons....
Posted on 1/18/15 at 2:30 pm to nolanola
Two questions:
When using HOT in your washer, will you ever get actual hot water with tankless?
How often do the manifolds need replacing and does hard water affect lifespan?
When using HOT in your washer, will you ever get actual hot water with tankless?
How often do the manifolds need replacing and does hard water affect lifespan?
Posted on 1/25/15 at 2:23 pm to nolanola
I have a rinnai. I like it. Buy one if you want endless hot water, not because it will save you money. It does not save money. It costs more for the unit and installation.
If you have a larger house you will likely need two units. I would place one near the master bath and one near the kitchen.
If you have a larger house you will likely need two units. I would place one near the master bath and one near the kitchen.
Posted on 1/25/15 at 3:44 pm to nolanola
I went with tanks, all electric. (Foamed attic)
Do not buy a hybrid water heater, they suck.
Do not buy a hybrid water heater, they suck.
Posted on 1/25/15 at 4:45 pm to nolanola
Tankless or GTFO
Posted on 1/25/15 at 5:35 pm to nolanola
unlimited hot water is nice - took for.ev.er. for the water to actually heat up at my old place. we just moved and we have a tank hot water heater. not to say i wouldn't go back to tankless (because we have run out of water a couple of times 
) but i'd probably go for the combo unit.
) but i'd probably go for the combo unit.
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