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EcoSmart ECO 27kW Electric Tankless Whole-Home Water Heater $394

$394.51
+6 Deal Score
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https://www.amazon.com/EcoSmart-E...002635ODW/

This is a fantastic price for a whole-home tankless water heater.

As with most tankless water heaters, the amount of hot water flow you get out of the unit is dependent on how cold the water coming in is. See the Amazon description for an estimate of your state.

Also note, this requires three 40 amp double pole circuit breakers and large enough electrical service to accommodate. 200 amp service to the home is recommended. Check your main breaker amperage if you aren't sure. The warranty requires the unit to be registered within 30 days and installed by a licensed electrician/plumber. If you plan to DIY, you may consider a SquareTrade warranty.

Check for local rebates from your state/county/electric provider.

Average savings for going tankless are 24-34% of water heating costs according to the Department of Energy.
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Created 08-24-2017 at 08:07 AM by colto
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17 Comments

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Our community has rated this post as helpful. If you agree, why not rep schmidd?
#2
I have had this for about 4 years. It will heat plenty of water for houses with 2 bathrooms.

What you need to know: Requires 3 40 amp double pole breakers, 6 8 gauge wires plus ground, and some custom plumbing. The elements will have scale build up: at least once a year you should clean them with vinegar, and after cleaning you will probably need to clean the filters on your faucets. Maybe most importantly, these types of devices can cause issues with certain electronics; my induction stove makes a louder noise and LED lights flicker when hot water is running, not sure what the fix is yet, but it is a common issue.

I got mine new in open box for $275. Saves me money on electric bill since hot water is not used but for maybe an hour a day. I think there may be better brands, like Stiebel, but I have not tried them. I'm considering going to POU units and ditching the the eco 27kw single unit.

If you really want to be frugal or need more hot water, get a cheap tank water heater to store the water in your house. The water will be at room temperature instead of ground temperature which makes heating the water a more efficient process.
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#3
Quote from schmidd
:
I have had this for about 4 years. It will heat plenty of water for houses with 2 bathrooms.

What you need to know: Requires 3 40 amp double pole breakers, 6 8 gauge wires plus ground, and some custom plumbing. The elements will have scale build up: at least once a year you should clean them with vinegar, and after cleaning you will probably need to clean the filters on your faucets. Maybe most importantly, these types of devices can cause issues with certain electronics; my induction stove makes a louder noise and LED lights flicker when hot water is running, not sure what the fix is yet, but it is a common issue.

I got mine new in open box for $275. Saves me money on electric bill since hot water is not used but for maybe an hour a day. I think there may be better brands, like Stiebel, but I have not tried them. I'm considering going to POU units and ditching the the eco 27kw single unit.

If you really want to be frugal or need more hot water, get a cheap tank water heater to store the water in your house. The water will be at room temperature instead of ground temperature which makes heating the water a more efficient process.
Try spreading out the circuit breakers so that the unit and the stove are not on the same side of your breaker box. You don't want one pole with all your high current devices and the other with all the low current. When the unit comes one it's probably on the same pole as your stove. Also thanks for the advice on the second water heater. Never thought of that method to temperate to the inlet water.
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#4
Quote from helder
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Try spreading out the circuit breakers so that the unit and the stove are not on the same side of your breaker box. You don't want one pole with all your high current devices and the other with all the low current. When the unit comes one it's probably on the same pole as your stove. Also thanks for the advice on the second water heater. Never thought of that method to temperate to the inlet water.
It uses 2-pole breakers. I don't know about his induction stove, but most electric stoves do as well...
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#5
27kw is twice the peak kwd of a 2,000 ft home. In Florida the PSC ruled that utilities can charge the customer to upgrade facilities as needed to handle the additional instantaneous load. Check with your utility first.
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#6
I have had this same model for a few months and and its been awesome. Cleared a big space in my garage (replaced 52 gallon tank) and I never run out of hot water.

I don't have any problems with lights flickering or any other strange issues.
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#7
My lights flicker with this unit as well. New panel, new transformer outside and larger wiring coming in.

It has to do with the way it ramps up. Doesn't bother me enough to care.
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#8
Somebody find me a deal like this on a gas one. My heater has been dripping for a month and I'm on borrowed time to find a good deal.
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#9
I have this and my CFLs in the bathroom flicker sometimes when I run the hot water on the faucet but I don't really notice anything when I actually get the shower going. If you don't already have a tankless you're replacing take note of whether your bath/shower mixing valves will play nice.
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#10
Quote from BastardLunatic
:
Somebody find me a deal like this on a gas one. My heater has been dripping for a month and I'm on borrowed time to find a good deal.
Its a lot of work to convert from a gas tank to tankless. You'll probably need to have a larger gas line run to it, enlarge the exhaust considerably (a problem if the exhaust goes up through multiple floors) and they pull a lot of air intake so if its in the garage you'll probably have to cut vent holes to the outside. If its inside you'll need an air intake pipe from the outside.

They also sound like a jet engine when they turn on. I had one in an outside closet attached to the house and inside from 25 feet away it'd wake you up from a sound sleep.
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#11
Are there any issues if you live at altitude, say 7000 ft?
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#12
$318 for 'used very good' on Amazon Warehouse. Probably just a new open box return
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#13
Quote from schmidd
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.
How do you clean it with vinegar ?
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Last edited by dmilinare August 25, 2017 at 09:28 AM.
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#14
Quote from dmilinare
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How do you clean it with vinegar ?
The right way to do it is to install some kind of service valves at the inlet and outlet. Then you connect hoses to the valves and a pump in a bucket, and circulate vinegar through the water heater for some period of time. Even then it's probably going to benefit from removing the elements and do some additional cleaning with an abrasive scrub pad.Hopefully you will catch most of the build up in the pump screen, otherwise you may need to remove faucets and clean the screen there to regain water flow.
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#15
Quote from Dealzez
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$318 for 'used very good' on Amazon Warehouse. Probably just a new open box return
Probably. And that's a good price. I'd imagine a lot of people get these and then realize what is involved changing to a tankless and send it back. Most people cannot do it themselves and that makes the total cost rather high compared to just replacing a tank water heater. Especially if the water heater is not near the service panel.
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