Best Hot Water Systems
Aquatech Heat Pump 🏆 2026
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Got my Aquatech heat pump installed recently and I'm really happy with it so far. Very quiet and heats up quickly, Love the smart app. Installation team was professional and quick. great product and value for money. Recommended! Show details
EvoHeat EVO270 Hot Water Heat Pump Series 🏆 2026
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Cracking Hot Water System with a range of intuitive, high value features. Also significant warranty protection. Can't ask for much more than that! Show details
Haier Monoblock Heat Pump Water Heater 🏆 2026
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Very happy with my new Haier electric water heat pump system which replaced my old Rheem gas hot water system. Surprisingly quieter than I was… Read more
expecting, delivers fairly instant hot water with great flow. Installation went exceptionally smoothly and I look forward to reduced gas bills with a minimal increase in electricity bills.
Joolca HOTTAP
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Best customer service EVER. Problem solved immediately at no cost or effort to me. Awesome. Show details
Dux Proflo
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We’ve always had Dux hot water systems we are very happy Show details
Hydrotherm
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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.
Dux Prodigy 4
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Recently Purchased and installed a Dux 170 Ltr, Hot Water Service, through Bunnings. The whole experience was outstanding and very professional. From… Read more
buying at Bunnings to the Installation. The job was at commenced on the agreed day and finished promptly, with a friendly courteous manner. The Dux system is excellent, quiet and performs above our satisfaction.
iStore Hot Water Heat Pump 🏆 2026
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Excellent system, low running costs and very simple and quick installation. Looking forward to many years use from this! Show details
Emerald All-in-One Pro Heat Pump
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We always have to on booster otherwise temperature od the hot water do not raise. Show details
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Excellent product. Very quiet. Runs for 1 to 1.5 hours per day. Show details
Enviroheat Heat Pump Water Heater
We have just had a new Enviroheat M9 200L Heat Pump Hot Water System installed. Very happy with the system with its easy to use controls both on the… Read more
front display and the wifi app. The unit is extremely efficient and uses less than 1KW which is perfect for running with our solar system and is surprisingly quiet when it is running. It is also has great build quality and is one of the best looking units around. Can’t beat it for value.
EvoHeat EVO150 Hot Water Heat Pump Series
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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
Aether Australia HP Series Heat Pump
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I bought another unit for my rental property. Again the installation service provided was good and the unit I already knew it is a good unit from previous purchase Show details
Dux Always Hot Continuous Flow
Wow, just had the 21L always hot continuous Flo LPG hot water heater installed to replace a lesser known brand unit that I struggled with for 18… Read more
months that would make up its own mind to ignite. Hot water arrives at the shower, vanity and bath very quickly and as I am on tank water with little pre flow to waste. Very quiet operation. A blessing. Extremely happy. Great price from Bunnings with excellent service from them as well.
Neopower All-in-one Black Diamond
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Beautiful modern unit, minimal noise, works well! Very happy with purchase. Show details
ENEFT All in One Heat Pump
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Very happy with the new heat pump, the installer has done professional work! Show details
Sanden Eco Heat Pump
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.
Rinnai Infinity Range
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I recently replaced my old gas storage hot water system with the Rinnai Enviro 32 , and I couldn’t be happier with the decision . We now never run… Read more
out of hot water even with multiple people using it at the same time and the savings on my gas bill has been noticeable . It’s been an excellent investment that’s already paying for itself through lower running cost and outstanding performance . Highly recommend the Rinnai Enviro
Wulfe Heat Pump Water Heater
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Very loud, no connectivity, I would not recommend this to my worst enemy. I tried uploading a video of it. Just junk. 2 months after this review the… Read more
Plumber finally returned and spent 4 hours fixing problems with their install. Now the unit works as intended and no longer keeps our neighbours awake.
Apricus All-In-One Heat Pump
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Apricus heat pump was installed in August 2025. Had no issues operates as expected, plenty of hot water. Show details
Apricus Solar Hot Water System
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Collector broke after 2 years Apricus will replace part BUT labor and traveling is at OUR COST we live 80k from town so another $550 at least. This does not compute if they agree that their part broke surely they should pay for the repair
Country Comfort Portable LPG Water Heater
Country Comfort Hot Water supplied the wrong part but would not give a refund despite my returning it at my own expense Show details
Envirosun
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I Purchased a Envirosun 300/40 system with Electric boost for $3.5K in August 2023. I chose Envirosun due to the stainless steel tank, hoping it… Read more
would last longer than a normal steel tank. In February 2026 I noticed the tank was leaking. I don't know how long it had been leaking, but based on the staining it would have been a while. The tank was replaced under warranty within about a week, so good support there. Then in June 2026 I noticed the collector was now leaking. Again I don't know how long this had been occuring. Unfortunately this time there were no panels available, and it was more than a month before it was replaced. They also only replaced one of the 2 panels, so assume I'll need to do the other one soon. Apart from 2 thirds of the system needing replacement in less than 3 years, the system itself worked really well. I rarely have the booster turned on, with the sun producing enough for our needs. Warranty support was good for the tank, but waiting over a month for a panel is not acceptable. Envirosun made a lot of claims about the quality and reliability of their systems, but from what I have seen so far, this is not the case. My previous Solarhart system lasted over 20 years, with only a couple of anodes and valves replaced in that time before the tank eventually ruptured.
Thermal Ark ARK270
Extremely pleased with the Thermal Ark 200 – I am extremely happy with my new hot water heat pump and the service they provided. Paul and his team were quick, friendly & done a very professional neat job. Also great support with any questions I had. I would recommend this company and product. Show details
Neopower Evacuated Tube Solar Hot Water
I purchased a NeoPower ST-EL400L-O hot water system in 2018, and it has now started leaking after only 7 years. When I reached out for warranty… Read more
support, I was told the warranty was void because I hadn’t completed a 5-year service—something that was never disclosed or explained at the time of sale.
NeoPower refused to take any responsibility and offered no resolution. For a product marketed as long-lasting and reliable, this is extremely disappointing. Their warranty policy is vague and unfair, and customer service was dismissive and unhelpful.
I also visited the NeoPower website and found that all links and references to the warranty terms and conditions are not publicly accessible.
Would not recommend—look elsewhere if you want durability and support you can rely on.
Econova Hot Water Heat Pump
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.
Smarttek Black Smart Hot Water System
- Price (RRP) $349
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I hate this product, it works correctly 20% of the time, the rest of the time it cuts out as soon as it gets warm and water goes cold. You have to… Read more
turn it off then back on to warm it, then it cuts out again. Customer support was no help either, after performing a test the said it was working correctly, which it is not.
Dux Prodigy 5
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Purchase, delivery and installation were professionally organized without any problems. Communication and support from Bunnings, DUX and Hall & Baum… Read more
Plumbing Services were exceptional. The unit was installed and tested promptly. It operates smoothly and quietly without shortage of hot water during the family morning rush. I would strongly recommend DUX, as a perfect choice as the house hot water system. At the end it is the 5 star system.
Stiebel Eltron WWK 222 / 302
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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.
Thank you for taking the time to share your… Read more
Neopower All-in-one Black Shield
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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.
Types of hot water systems
Heating water for use in the bathroom, kitchen, and laundry uses over a quarter of the average household’s energy, which is why it’s important to carefully consider what kind of hot water system is right for you.
You’ll have to first decide what kind of heating method you want to use for your hot water system: gas, electric, solar, or heat pump.
Gas hot water systems · See all
Gas is quite an efficient energy source, so it can be a good option if you have a natural gas connection. Natural gas is significantly cheaper than LPG.
These systems are usually installed outdoors because they need adequate ventilation, but they can be installed indoors with a flue.
Electric hot water systems · See all
Electric water heating is relatively cheap to buy and install, but ongoing costs can be expensive. However, if your meter includes off-peak rates, then this should be cheaper.
Solar hot water systems · See all
A solar hot water system needs to be installed in a sunny spot for it to be efficient. This means that they do tend to work better in certain parts of Australia, particularly Queensland and the Northern Territory. You might even want to buy a larger tank for days with less sun or when you want to use more hot water.
Most of these systems will still have either a gas or electric booster to ensure that hot water is always available, regardless of the climate.
Heat pump hot water systems
Heat pump systems use electricity to transfer heat from one place to another rather than directly generating heat. These units need to be installed in a place with good ventilation, generally outdoors. Heat pump models can save you up to 80% on the cost of hot water compared to an electric storage system.
Storage vs instantaneous hot water systems
A hot water system can be either an instant system or a storage tank system.
Instant systems
Also called continuous hot water systems, these only heat water when they're needed. They aren’t actually instant, but they usually just take a few seconds before you get hot water. Most models use gas, but you can still find electric models, which are typically only designed to heat water for a single water outlet.
A continuous flow system can be more suited to smaller households, as they’re cheaper to run and more practical than having a storage tank.
f you’re considering an instant hot water system, then you should consider its flow rate. You should opt for a higher flow rate if you have many water outlets in your home. A general rule of thumb is to get a flow rate of around 22 to 24L per minute for a house with two bathrooms.
Storage tank systems
These store a certain amount of heated water that can then be used throughout the day. Most gas, electric, solar, and heat pump systems use a tank.
They’re generally more cost-effective and so can be suited to households that use a lot of hot water; you just need to ensure you get a large enough tank to ensure the last in line for a shower isn’t left in the lurch mid-rinse.
If you have off-peak electricity available to your home, then these systems can take advantage of these cheaper tariffs.
These tanks are insulated, but it’s still a good idea to install them in an insulated or sunny place to minimise heat loss.
What to consider when choosing a hot water system
There are a few other things you should consider when shopping around.
Your household size and energy use
Understanding the hot water needs of your household is key to getting the right hot water system. An undersized system means that someone will probably miss out on a hot shower, while a system that’s too large will mean you’re paying for something that you’re not fully using.
The average Australian uses around 40 to 50L of hot water per day - more if you take long hot showers or often use hot water to wash clothes.
Here’s a rough size guide for water heaters, but you should also consult the manufacturer of a hot water system you’re considering buying as well as seek advice from an installer.
For storage tank systems, consider the number of people in your household:
- A 1-2 person household could be fine with a small storage tank of around 90L.
- A 4-person household will need around 135-170L.
- Households of 5 people or more may find it more economical to find a large tank of between 200-300L than install multiple continuous systems.
For continuous hot water systems, consider the number of hot water outlets in your home and peak usage:
- A 2-bathroom household will need 22-24L/min flow rate.
- If you expect 2 people to be showering at the same time, you need at least a flow rate of 14L/min.
- There’s also the option to install multiple systems and have them in different parts of your home.
Energy efficiency
The most efficient type of hot water systems are heat pump and solar water heating systems.
If you’re shopping for an electric storage system, a gas storage system, or an instant gas hot water system, look for Minimum Energy Performance Standards (MEPS). You may see energy efficiency ratings on gas systems, but these aren’t government regulated.
Price
Excluding installation, prepare to pay the following upfront:
- Gas hot water systems often cost between $900 and $2000.
- Electric hot water systems usually cost somewhere between $500 and $2000.
- Solar hot water system prices can vary a lot, but usually cost between $4000 and $8000.
- Heat pump models range from $2000 to $4000.
Hot water system installation costs vary a lot depending on the job and system you opt for. If you’re switching out your current hot water system with one of the same capacity and in the same location, installation typically ranges from $300 to $700. If you’re moving the system to another location, then you may have to pay between $1100 and $2500 depending on what kind of plumbing and electrical work is required.
You should also check for warranties. While these vary, most hot water systems should come with a warranty of at least 7 years - the longer the warranty, the more the manufacturer backs the quality.
Look for government rebates and incentives
There are a range of incentives offered by the federal and state governments - such as the federal government’s Small-scale Renewable Energy Scheme - for households to switch to energy-efficient hot water systems, particularly solar and heat pump systems.
A hot water system installer may also be able to tell you about rebates that are available to those living in your area.
Hi Tsr, We're sorry to hear about your experience,… Read more