Best Electric Hot Water Storage Systems

After researching many makes and models we decided to order the Aquatech Dynamic X8 from Hitech. The competive pricing, warranty and less maintenance… Read more

pulled us over the line. The heat pump has an impressed current anode which is non-sacrificial and does not require regular replacement. Excellent install was done by Vision Plumbing in Townsville, Queensland. Findings so far: Hot water is coming faster than with out previous continuous flow gas hot water system and seems to have a bit more pressure as well. The heat pump has wifi connectivety and can be integrated with home automation systems. Great to no longer have to experience sudden cold showers and gas bottle swapping.

It's a game-changer! We changed out an inefficient 14-year-old heating element hot water system with the EvoHeat EVO270-E and immediately saw the… Read more

savings. It uses approximately 20% of the energy of the old system according to my energy monitor. It's quiet, despite being outside our ensuite window. The water is a consistent 60 degrees and gets to every tap in the house (which the old unit struggled to do). The timer controls and different settings (such as holiday mode) are easy to change. That it's environmentally friendly on energy and coolant is a huge benefit!

Good heat pump. Saving money on electricity already and I've only had it for a couple weeks. hashtag EPIC

I cannot really overstate just how poorly this product has performed since we purchased it around 3 years ago. Here in S.E Queensland, throughout… Read more

most of the year when its above 30deg it works ok. Not that you really need much hot water during those 6 months of the year. Around mid may every single year. Every morning I hear "There is no hot water again". Every night "There is no hot water again" From my wife and two young kids.

For all the emails and phone calls I have made to try and rectify the problem. The only attempt to do so was to send a plumber out to reset some thermostatic something or rather in the software which did nothing at all.

The only way I have to ensure there is any hot water, is to go out twice a day and make sure it is forced into the on position in either hybrid or hybrid 1 mode.

The 15 year old Saxon this unit replaced probably didnt even get looked at twice in 15 years. Yet here I am baby sitting this POS appliance twice every single day to ensure the missus and kids can have a hot shower when they want one.

All these pics are after the system has run all day long consuming between 6-10kw/h. Considering the old system used around 9kwh per day and we were told this new system would be around 2.5kwh.....

The company that did the installation did a stellar job I might add, Could not fault their workmanship and they tried to assist as much as they could when we started having issues. But Im not going to continue wasting their time trying to rectify an issue with the product itself. The only real option we have going forward is to move to an IStore or go back to a traditional HWS.

It's good, heats water quickly. 125L is good for a small household. Show details

Very happy with my purchase, looks amazing and has heaps of hot water. Good application to use and check on the amount of water and temperature.

Excellent product. Very quiet. Runs for 1 to 1.5 hours per day. Show details

It’s been two months since I had the heat pump installed. So far the electricity consumption hasn’t changed much. That’s the good sign. The gas… Read more

usage has reduced slightly by 17% in the first month (August). But this could due to the warmer weather and we didn’t run the heater much. The heat pump is not really quiet when its fan is running. Haven’t tried to use the app yet! Installed in August by Sunline Energy for $2,300.

Presale advice from the company was very helpful. Unit has been operating efficiently and saving us electricity cost. Company are easy to contact, friendly and supportive and offer quick turn around

Very helpful from Marie, and the installation fast, temperature perfect when showering Show details

Very happy with the new heat pump, the installer has done professional work! Show details

Sanden 315L heat pump 10 years old and broken down. No support over the phone. Manufacturer insists service can only be conducted by registered… Read more

dealer who isn’t available anyway - a requirement illegal under consumer law. Very disappointing for such an expensive product.

Apricus heat pump was installed in August 2025. Had no issues operates as expected, plenty of hot water. Show details

I recently had an Econova 290L heat pump installed , and I am extremely happy with the product's performance. Since the upgrade, my daily power… Read more

consumption dropped from 20kWh to 15kWh, which works perfectly with my 10kW solar and 30kWh battery system.

A very disappointing experience with these hot water heaters. New build, first one lasted just over 12 months. A lot of hassling with the service… Read more

department and several weeks of delays before a new unit was installed under warranty. I had asked for my money back instead, but that apparently was not possible. Twelve months on (almost to the week) and the second unit has failed and requires replacing. My understanding is the the WWK series are discontinued and being replaced by the SPH-0 series. I asked if I could pay to have the new series installed but was told that was not possible and so now here we are waiting for a week without hot water for a discontinued hot water unit that will most likely fail again. I would never recommend Stiebel Eltron, the poor quality of the system is just one aspect, but a company culture that is not customer focussed is the real nail in the coffin.

installed by Daniel by Same Day Hot Water Service Pty Ltd great product for a stainless steel tank very quiet and uses hardly any power to run

This is an amazing heat pump hot water system. Full 320ltr capacity is more than enough for the family of 4. Efficient system and light on back pocket.

Absolute piece of junk lasted one year says 7 year warranty which is not worth anything as the company has gone bust do not buy or you will regret it Show details

Haier split system heat pump works well. Once fully installed, requires about 24 hours to ensure the water is appropriately hot. Show details

You're Rolling the Dice Here – I've seen a lot of these units (very popular) and the design and layout is very good - simple and elegant. The problem is the manufacture quality,… Read more

which Rheem don't seem to manage well. On mine the welding on the heater flange is VERY poor, causing it to fail and leak just on the 7 year warranty (I don't think 7 years is awesome for a tank with wires connected to it - I've had gas ones that have done 4 times that). So it's not inherently terrible - if you get one that was made by the good welder it would be great, but how would you know?

There are not a lot of reviews for this heat pump and we knew this due to our extensive research prior to purchasing. In the end, we decided to go… Read more

with the recommendation of the installer and relied on their good reputation that this heat pump would be suitable. It is not suitable for our needs despite the fact that it should do what we need it to when we need it to do so. We are a family of 2 adults and 2 young children. Generally, the adults shower in the morning and the kids shower in the evening. When the install was complete we were handed the details to download the app and adapt the heat pump settings to suit our family. We need the heat pump to heat during the day when electricity is both cheapest and solar is highest 9am-4pm, and then a top up heat is required overnight. We programmed the heat pump to come on at 1am-5am so that we are using the off peak electricity rates and guarantee a morning hot shower. We programmed the heat pump to do exactly that. For the most part this worked HOWEVER, it did not work consistently and you should not have to check the water temperature before every shower. Some mornings there would be no hot water and some evenings there would be no hot water. We called the installer and after a $254 visit (this is within 6 weeks of install) they told us that because I had set the timer to "random times" this was not considered a heat pump fault. They reset the heat pump to eco mode and that was that. Eco mode means the heat pump is heating during the day which is of course ideal until you have 2 showers happening at 5-7pm. We need that 2nd overnight top up heat cycle. So i reset the time to suit our needs as it suggests we should do in the instructions. Again, it worked for the most part but would randomly not reheat. Having received the bill for the first visit I was very reluctant to be charged again and the installer recommended I speak directly with the Envirosun company. We spoke to a man at the company and he was really helpful in troubleshooting what was going on and totally understood why we need the 2 heating cycles. None of his troubleshooting or suggestions fixed the problem and our own troubleshooting determined that power cuts no matter how short, were interrupting the settings so a reset was required each time we have a power cut. We now know that power cuts require a reset however the problem continued even without power cuts. 20 degree showers at 630am and 28degree showers at 5pm. The heat pump is now set to AUTO which means it inevitably ends up heating during peak hour in the mornings and evenings. After extensive research, this is EXACTLY what i wanted to avoid. The AUTO function of course means that we have hot water but it is not taking advantage of the warmer midday times and that becomes a big problem in winter when we are trying to reduce our electricity bill. Absolutely would not recommend this heat pump at all. We were going to go for the top of the range but just could not justify the cost as is was more than double what we paid for this heat pump. Sadly, you absolutely get what you paid for on this model and we would not suggest going down this route. The 3rd party app is not great and gives no heat pump performance data, just the water temperature. We would go back to instant gas hot water in a heart beat and the cost savings for water heating are just not there. This was not a good decision in retrospect and we are extremely disappointed. We live in Adelaide.

Great most of the time (but some quality control issues) – This heat pump water heater works well when it works but there are clearly quality control issues which affect the operation of the unit in the… Read more

Australian environment. This unit has failed twice - the first within the warranty period (a faulty seal and heating element) and the second just outside (but still covered by consumer law) being a faulty sensor.

The good news is the service department is responsive and they have a local plumber who can get to the unit quickly. But make sure you have those contact details handy. The first time this unit failed, it took three days for my plumber and the plumbing wholesaler to track down how to get repairs under way.

Note that my unit is now five years old. I hope that the current generation has addressed the quality issues.

Excellent water heater!!! – Hot water anytime, no noise at all, highly recommended for families. Show details

New hot water system installed 02/09/2025 and is going great so far with no issues. Recommended by plumber who has been amazing. Show details

Called customer service early in morning to request service call. They referred issue to service department to book call, however after 3 hours I had… Read more

still not heard anything from them. After a follow-up call to customer service they contacted service department to determine when service could be be arranged and was told the service could be arranged tomorrow. This was totally unacceptable as our system was not delivering hot water and no-one would be home tomorrow. Most Hot Water Service companies guarantee same day service, not to mention that Ecogenica required a $230 call out fee + GST and parts ! Needless to say I contacted a local service company and had a technician arrive within 1 hour. Very poor customer service from Ecogenica , no recommendations from me.

Silam is very helpful in getting this done. From quoting and procuring. Would recommend it to everyone i know to get the rebate done. Show details

We are completely off grid, and this system has been brilliant so far! December marks two years in our new house, and despite my partner’s best… Read more

efforts, we have never run out of hot water yet! Our solar system consists of 42 panels and 2 lithium batteries, and even on dreary old days it keeps up with the system well. My hair super light blond hair showed some copper deposits from the water, so I contacted Reece about that. They put me in contact with their water specialist who called me straight away, asked all the right questions and came up with a great plan for me straight away. Super happy with the service and the system!

Just replaced a Rinnai hotflo 250l electric storage hws. Terrible quality water heater, less than 5 years old and already totally rusted at the… Read more

anode. I called the Rinnai service line as the tank is under warranty. Unfortunately the warranty is worthless. The customer service from Rinnai is absolutely terrible, they have zero interest in helping, nothing but massive charges to even have someone come out to inspect. Buyer beware.

After 3wks using Stiebel SHP-O 300+ with enamel-lined steel tank, I am happy with it. The hot water flow and pressure are consistent. I use a time… Read more

managed setting at 9am-4pm to coincide with my pool pump to workaround noises in my house at night. I am still monitoring the energy usage and all seems good. SG Ready relay option is a feature that I would like to use later. Paired bluetooth with mySteibel app without issue. Press the link button (chain symbol) a few seconds on the front panel for WiFi. Am glad to see app on github repository.

Had this smart system installed almost 2yrs now. App has worked flawlessly for us (Rural using Starlink 3). I initially set this to an hour in the… Read more

morning to heat and an hour in the evening before we normally have showers. Rest of the day we dont need hot water do it dosnt need to work.

Found out after 6months of use that it draws 3kw an hour in the antibacterial cycle once a week if settings are below 62 degrees celcius to prevent salmonella etc. Ok, fair enough we are on tank water so that is not a bad thing. Bad thing was it almost always tended to start thus cycle for up to 3hrs using 3kw an hour during peak time at night. We have a 15kw solar setup initially making on average 80kw a day, but with no way to run this antibacterial setting during the day when we are making 13+ kw an hour was not saving us cash. Instead it almost always started at the peak hour time.

Read about the non negotiable setting time bypass if we set the heater temp up to 65C, that it wont run the antibacterial cycle weekly. But it still does run the cycle monthly.

Fair enough, but it is still running this cycle anywhere from late afternoon to middle of the night. Now we have had a 50kwh battery installed this means the thermann is robbing us of around 9kw of battery 95 percent of the time when the sun has gone out with no way to control this.

This has irked me now to write this, as we are now trying to live off grid. With winter innthe bush a heater is necessary using quite abit of battery. One EV car & cooking etc at night runs the battery fairly low as it is, let alone a hotwater heater with a mind of its own robbing us of that extra 9kw of battery leaving us with bugger all to warm the house up in the frosty mornings.

So does this heater work? YES

Is this heater app adjustable? YES

Does this heater allow you to run that all important antibacterial cycle when the sun is in full bloom? NO.

Bad design from something as simple as an app option to do this.

I still cant figure out why it only runs this cycle mostly after the sun has gone out. If there is a powercut, the thermann will be the first thing to be switched off at the meter box as we dont need something stealing our power when we need it most without our permission.

Thermann fix this flaw please, and i’ll give you the 5 stars. Otherwise we wont be going with another one with such a bad energy wasting flaw you cannot control.