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For five years I've lived in this home with a 75 gallon gas hot water heater. It was in the house when I moved in and to be honest I've never had any complaints.Though it worked fine I decided to change out and because we are going solar roof next year I wanted to go electric. For the same reason we had gone gas furnace to electric heat pump for heating. I needed to decide whether to go electric tankless or electric heat-pump water heater.I went with this unit, the 29kw size. There are only two of us in the house so it seemed more prudent. We have several EVs and the largest tankless along with EV charging would be a fairly large load even for 200 amp service.First the upsides:1. Unlimited hot water. Both of us can take showers at the same time. The only issue that two of us can have is if both of us want showers while the first cycle of the clothes washing machine is running. Minor limitation. Timing is everything.2. Absolutely using no power when we aren't using water. We can go away for a month, walk in the door and take a shower and get instant hot water.3. Accurate temperature control. We have two presets and one has been set for filling the soaking tub. Just press the button and then run pure hot water to fill the tub. The tub gets filled to perfection without figuring out the calculus of the mixing valve which changes depending on the temperature of the water coming into the house. This is a great feature that nobody told me about.4. The house was originally built with what I consider a shortcoming. The hot water heater was located next to the furnace so it could use the same flue and gas connection. This is fine for ease of install but the hot water heater is on the other side of the house from where the hot water is most often used. Running the shower in the master bath or the sink in the kitchen required a full minute of water running to get hot water. We now installed the tankless beneath the kitchen where we use the water. No flue is required. This unit goes anywhere. Now we have hot water in a hurry where we use it.The downside. I once had a power failure that lasted several days. The water heater was the same as I replaced - used no electricity and vented naturally through a flue. There is something nice about a hot shower during a power failure. That will no longer an option. But then, I haven't lost power in five years.The only upside of the tankless heat-pump water heater would have been its (limited) supply of hot water during a power failure and its natural de-humidification feature. With everything considered, we went tankless.Just a tip, the most often warning I've heard with tankless is impurities in the water that can collect. To reduce this problem we installed a whole-house water filtration system after the water-softener and ahead of the heater.Note that I only gave tech support three stars - that is because I didn't need them so never found out about their quality.I did need power though and didn't have the required six circuit breakers that the unit required. I installed a 125 amp sub panel dedicated to the water heater.The unit has been flawless. It just works.

Excelente produto (fabricação alemã), muito bem construído, super robusto e com resistência blindada. Apresenta ótimo funcionamento, mantendo a temperatura desejada com grande precisão. Não há ruido algum durante o uso, sendo absolutamente silencioso, fácil de instalar e operar.O único incoveniente é o preço, mais elevado que os demais aquecedores, mas vale a pena.Faz juz ao slogan: simply the best!!

por fin me gusta bañarme

Works like a damn hotter!

Mientras funciono fue una maravilla (2años) pero después de un tiempo dejo de detectar cuando corría el agua entonces había que estarlo apagando y después de alguna manera una parte del cobre se gastó y comenzó a hacer corto circuito, no encuentro solución ni forma de repararlo. Cuando funcionaba se me daban mantenimientos de limpieza para sarro cada 6 meses y todo lo necesario para su correcto funcionamiento pero aún así fallo… Despues de la instalacion que es un poco tediosa y la tiene que hacer un profecional por la capasidad de carga (gaste como 2,000 mas en cosas para instalar) caliente el agua con madre y no baja la precion de agua de la casa...

Hasta ahorita he tenido un mes este producto y ha funcionado a la perfección. Si requiere una instalación eléctrica especializada pero el flujo de agua es constante y alto. No ocupa nada de espacio y puede estar en el interior de la casa en un espacio pequeño. Además es muy silencioso.