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Message
Tankless electric water heater
Posted on 12/24/20 at 11:01 am
Posted on 12/24/20 at 11:01 am
I have tankless gas water heaters in my home and love them.
Condo electrick tank in our condo won't fill the large jacuzzi tub, so I'm considering replacing with a tankless electric.
Anyone have any successes or failures with these things?
Current tank is 240v, 3500/4500 watt 50 gal
Condo electrick tank in our condo won't fill the large jacuzzi tub, so I'm considering replacing with a tankless electric.
Anyone have any successes or failures with these things?
Current tank is 240v, 3500/4500 watt 50 gal
This post was edited on 12/24/20 at 11:01 am
8
Posted on 12/24/20 at 11:12 am to Ole War Skule
How many open spots do you have in your electric panel? An electric tankless water heater may require up to three 240 volt breakers
Posted on 12/24/20 at 11:40 am to weadjust
ugh.
I'll have to have electrician look at it as I don't know how to determine that.
It's a condo, so I'm thinking there won't be much 'extra' available. There are plenty of unused 'slots', but I don't know what's actually available to the unit. I think I have 6 240 breakers now (a/c, heat, water heater, range, and dryer. Also guess I'd have to run more wires to the unit, which may be another problem.
quote:
may require up to three 240 volt breakers
I'll have to have electrician look at it as I don't know how to determine that.
It's a condo, so I'm thinking there won't be much 'extra' available. There are plenty of unused 'slots', but I don't know what's actually available to the unit. I think I have 6 240 breakers now (a/c, heat, water heater, range, and dryer. Also guess I'd have to run more wires to the unit, which may be another problem.
This post was edited on 12/24/20 at 11:41 am
Posted on 12/25/20 at 7:11 am to Ole War Skule
quote:
Tankless electric water heater
Is never a good idea.
Posted on 12/25/20 at 9:03 pm to Ole War Skule
Don't listen to the negative comments. Tankless electric w.h.'s are just not as common here as they are in the rest of the world. I have been to 9 foreign countries and not one had a gas w.h. much less a tankless one.
When one of my two tanks went out 2.5 years ago in my home, I installed an electric tankless for my upstairs bath on my own. My kids love the instant hot water. My electric bill has not gone up either because it is on demand as compared to stored water that has to be heated on a consistent basis.
Yes, they take a large breaker, mine took a 70 amp 240 breaker w/ #6 wire for 1 bathroom. So I would get an electrician to determine if your power panel can support the new load.
Another thing to look at is getting a proper size. Sizing charts can be easily found on any mfg. website.
With all that being said, I would not be afraid of it if you can provide the electrical demands.
When one of my two tanks went out 2.5 years ago in my home, I installed an electric tankless for my upstairs bath on my own. My kids love the instant hot water. My electric bill has not gone up either because it is on demand as compared to stored water that has to be heated on a consistent basis.
Yes, they take a large breaker, mine took a 70 amp 240 breaker w/ #6 wire for 1 bathroom. So I would get an electrician to determine if your power panel can support the new load.
Another thing to look at is getting a proper size. Sizing charts can be easily found on any mfg. website.
With all that being said, I would not be afraid of it if you can provide the electrical demands.
Posted on 12/25/20 at 10:12 pm to Ole War Skule
quote:
Condo electrick tank in our condo won't fill the large jacuzzi tub, so I'm considering replacing with a tankless electric.
You should think harder about a point-of-use setup.
Posted on 12/28/20 at 7:37 am to Peruviantiger
delete
This post was edited on 1/11/21 at 11:41 am
Posted on 12/28/20 at 3:47 pm to Ole War Skule
Thanks for the replies but getting enough electricity is an issue.
Posted on 12/28/20 at 10:16 pm to Ole War Skule
I have a tankless natural gas water heater. It works like a charm. My monthly total gas bill is usually the minimum with the exception of December January and February. During those months my electricity bill decrease more than offsets that slight increase.
Other benefits, if the power goes out you’ll still have hot water.
Other benefits, if the power goes out you’ll still have hot water.
Posted on 12/29/20 at 9:42 am to Lickitty Split
quote:
Other benefits, if the power goes out you’ll still have hot water.
False. Tankless unit has a computer. Power kill computer which kills hot water. However, it uses tiny amount of electricity, so you can plug into your generator if power goes out and get hot water.
A gas hot water tank will still give you hot water in general if this is your goal.
Posted on 12/29/20 at 12:27 pm to Ole War Skule
I would never suggest a tankless electric water heater.
For ones that have a decent flow rates that can support a whole house (or in your case a condo) they'll require a high amperage circuit(s).
With that comes- Existing Panel needing to support 50-100 amp circuit(s), running #4 or larger conductors, etc.
Even still, the flow rates are not the best.
Sure, some have their place. Like the ones that mount under a sink and plug into a standard 120v outlet to provide hot water for 1 sink. However, for whole home use, it just is not worth it. A standard tank water heater is better in every way except space.
For ones that have a decent flow rates that can support a whole house (or in your case a condo) they'll require a high amperage circuit(s).
With that comes- Existing Panel needing to support 50-100 amp circuit(s), running #4 or larger conductors, etc.
Even still, the flow rates are not the best.
Sure, some have their place. Like the ones that mount under a sink and plug into a standard 120v outlet to provide hot water for 1 sink. However, for whole home use, it just is not worth it. A standard tank water heater is better in every way except space.
Posted on 12/29/20 at 2:47 pm to southern686
quote:
I would never suggest a tankless electric water heater.
I would and I've actually installed several. Plenty of reasons such as space, convenience, and aesthetics that make an electric unit a better, or sometimes the only, option. For small one-bath homes and POU there's zero cost benefit to plumbing in a natural gas unit in many cases. Electric models can be placed inside cabinets or behind enclosures for POU in laundry rooms, kitchens, and bathrooms.
Posted on 12/29/20 at 5:11 pm to Ole War Skule
quote:Have you checked to see if the existing hot water heater setting is on higher than normal? Be careful not to get the water scalding hot coming out of your other faucets.
Condo electrick tank in our condo won't fill the large jacuzzi tub
Posted on 12/29/20 at 11:38 pm to Clames
Strongly suggest a Navien heater
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