I have had this a week, and have run 2 showers with it simultaneously (haven't tried all three yet). Then you should look at the EcoSmart ECO 8 Electric Tankless Water Heater, 8 kW at 240 Volts with Patented Self Modulating Technology. In testing, I found a constant 5 degree error between what the unit says the set temperature is, and actual. Please make sure that you are posting in the form of a question. There's a problem loading this menu right now. This is one of the newest EcoSmart tankless water heater series and comes with some great features. If you have old piping, you will find that it is difficult to get the hot water that you need. Earn a $150 statement credit after you spend $1,000 in purchases on your new Card within the first 3 months. ecosmart trouble shooting guide models eco18-eco27 this step by step trouble shooting guide is designed for the installer if any issues arise with tankless water heater. Overview Ecosmart ECO 18 is a popular tankless electric heater and regarded as one of the best models in the market today. Some information about this unit (and the entire product line) is sparse, and numerous people have posted inaccurate information as well. Since tankless are rated on a 1.5 gallon per minute shower, I was worried because one of my showers pumps out almost as much as three 1.5 water saving showers. It has been 2 years since my unit was installed and I haven't had the first problem. The ECO 18 is capable to save 60 percent energy by its self-modulation technology. Removing that old tank water heater and replacing it with the Ecosmart gave me a whole lot more room in my garage, as an added benefit too! First of all, I live in South Florida (Broward County). He then went into their spare parts junk drawer, found one used, and sent it to me for next to nothing. Ecosmart ECO 27 Electric Tankless Water Heater 4.6 6.0 Rinnai RU98IN Indoor Condensing Tankless Natural Gas Water Heater 4.0 9.8 Rinnai … Homeowners can save more than 60% on their hot water costs when compared to traditional units. It can provide between 1.8 and 4.3 gallons-per-minute depending on the inlet water … My water comes into my house at 55 - 57° winter and summer. Try to iron out the bugs like water pressure it can't take any pressure so you have to shower on the low pressure if you want to use this product it actually sucks this is the second one I've purchased the Eco 11 can't work in the cold weather now the 18 has two bad sensors in it so we can't get hot water on until we disconnected the sensors which are bad and now no answers from the company as to why they can't send me sensors they want to sell them to me. This water heater is energy efficient and can heat your water in no time, which will easily save you money in the long run. Find helpful customer reviews and review ratings for Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology at Amazon.com. I purchased the ECOsmart ECO 18 tankless water heater in April from Amazon during one of their open box warehouse sales for a very cheap price. This is when you find water heaters very useful. And the price is much lower than what you will find with many of the other products. So, it can handle a shower and a sink in cool climates. The ECO 11 and the ECO 18 also share a flow rate of 2-3 gallons per minute, which isn'… Installing this unit can be difficult, especially in homes that are a bit older. When it comes to medium sized electric tankless water heaters, it must be mentioned that the Ecosmart ECO 18 is one of the best at the moment. While I do notice the lights dim slightly when hot water is running in several places, I have never popped a circuit breaker. Don't think that's fair at all the product is brand new bad sensors they should be replaced very unhappy spent over $400 on this product I believe and then the hookup now I'm going to have to pull it out and get a regular water heater I wouldn't buy one of these again stay clear. I wanted to be sure it worked before gutting out my perfectly good water heater, so this report is what I found by permanently wiring, but temporarily plumbing the unit so as to not disturb the existing water heater. It can provide between 1.8 and 4.3 gallons-per-minute depending on the inlet water temperature. Reviewed in the United States on March 5, 2019. Worst product and even worst customer service. Reviewed in the United States on August 21, 2018, Over 4 years I have had two issues with this unit. and they corrode very easily. The hot water tank I’m replacing is a 65 gallon unit, and IT DOES flicker the house lights every time a heating element turns on. In warmer climates, it can handle two showers and two sinks. Not only that, but this unit also performs well, and it can surely deliver a convenient user experience. Another issue is that this unit isn’t compatible with some kinds of piping. Not bad considering it’s not an aerospace product, and some small gauge error is possible. Amazon offered an additional discount to me, so I took it, and set out to fix the unit, and replace the missing part. Ecosmart Eco 18 is more popular It's fairly safe to say that Ecosmart Eco 18 is a more popular water heater, based on its 2,000+ reviews. I tightened so hard I was worried about stripping it. If you have a run of over 50 feet, I would recommend using the 6-2 wire. Don't buy this product it's not what they say it is, Reviewed in the United States on May 18, 2018. I live in a fresh water swamp, over an aquifer, so I don't care about saving fresh water, we have plenty of it. Enough to last a long run the best selling products of Ecosmart water! 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