Istore heat pumps

Voted Australia’s No.1 Heat Pump

Brisbane, Ipswich & Gold Coast’s Heat Pump Specialists.

See why we are the trusted name in hot water!

Our Happy Customers

100+ Customer Reviews

Highly recommend KMS. Had a heat pump hot water system installed improperly by another mob. KMS came to the rescue, fixed everything wonderfully and promptly. Wish I’d gone to them first.
Our existing hot water system started leaking and was tripping the circuit breaker. After the decision to go with a heat pump hot water system was finalised, Adrian and the guys at KMS were very responsive with an installation date and efficient in getting the old system out and the new one installed. The iStore 270 looks very impressive and the installation required a new location which the guys were able to improve on and works well. Adrian provided simple and useful information on the setup and maintenance steps.Very happy to recommend Adrian and the guys at KMS Services for hot water system replacement and maintenance.
It's just been a month since I had my iStore 270 Heat Pump unit installed and couldn't be happier. First time in 6 years that I've actually had very hot water compared to my old unit. The guys from KMS were very efficient and did a great job installing the unit. I would recommend KMS to anyone.
Current element hws was not adequate so we gave istore a go. So much better 270L does the four of us easily. Nice install by KMS, quick and helpful. So glad we went with these guys. Great system so far, looking forward to power bill to see how much we will save. Cheers.
We bought an ISTORE heat pump system from KMS and the service was excellent. We were impressed with their efficient communication as I phoned Oliver on the Tuesday and the system was installed in the Thursday. The installation proved to be difficult and Adrian went above beyond to ensure that the we had hot water. We are very happy with the system. I would definitely recommend the product and this company. Professional and very friendly.
Called KMS this morning as my hot water system has suddenly stopped producing hot water. By lunch time one of the KMS technicians had arrived and repaired my system at a fraction of the cost than was quoted elsewhere. Great attention to detail and a friendly manner. Would recommend highly!
Adrian replaced my failed electric hot water cylinder with a new one including new ancillary valves. The work was professionally carried out and well finished. In spite of the HW cylinder being mounted on a shelf, Adrian and his assistant expertly removed the old, considerably heavy old cylinder, and installed the new unit. He has a friendly and engaging manner. Highly recommended.
After completing a lot of research, I decided on replacing my old heat pump with a new one. As I live out of suburbia, I was both surprised and delighted that KMS Services were able to attend at a time convenient to me and am very impressed by the communication and service provided. The I-store unit is fantastic and quiet - so happy to have a heat pump that works! I highly recommend KMS services - thank you.
Around 6 months ago I had KMS replace my old electric hot water system with a heat pump in order to reduce the running costs of my hot water. I have since received 2 hot water bills and can happily confirm that my bill has decreased significantly. Professional service, great knowledge and friendly staff. Would recommend.
Needed To replace my old Solar hot water service. Called KMS on Monday Spoke to Adrian. He said he could inspect the job on Tuesday. Had a quote that afternoon. Accepted quote on Wednesday. Heat pump installed Thursday afternoon. Adrian and Oliver were great to work with very professional. Would highly recommend.
These guys are awesome! We changed from gas to the istore heat pump. Great communication and professionalism before and throughout the installation. Big job with removing gas system and replacing with heat pump but all done in a day. Highly recommended. I would certainly call these guys first.
I wanted to replace my old hot water system with a new heat pump model. I sent a request for a quote and received a response within the day. The quote was competitive. KMS continued the fabulous service with an outstanding installation within days, removed the old system, all new fittings. 5 star rating all round, price, service, installation.
The team at KMS has been being really helpful in answering any of my enquiries from quotation to installation of a hot water unit. Adrian is very experienced in what he does on site and pays real attention to details. Adrian is a true professional!
Hey great work KMS service. No hot water in winter, yikes. Thanks to KMS the job was done that day and no cold showers for us. I found the installers to be courteous and the plumbing was neat and professionally done. I was happy with the price and Oliver provided great sales and back office support.
The team at KMS are very professional and communicate everything from repair prices, quotes for new system, removal of old system and time and date they will be at your home. We are very happy with our larger Rinnai system and they took care to make sure everything was correct before leaving the job including how to operate the new system and clean up. Nothing was too much trouble and the work was carried out in a professional, timely and cost effective manner. Quality workmanship is a definite plus here. Also a bonus, KMS does both the electrical and the plumbing. Thank you to the team at KMS. Well done on a great job.


Save up to 75% on Your Hot Water Bills – The iStore Heat Pump is 4 TIMES more efficient than a standard electric hot water system!

Voted Australia’s No.1 Heat Pump – Award Winning Heat Pump with outstanding Build Quality, Reliability, Value for Money & Energy Efficiency.

Ideal for Any Household – with 180L and 270L models available, the iStore Heat Pump can efficiently supply hot water for all households and up to 6 people!

Harness your Solar Power for Free Hot Water – with a built in touch screen timer, the iStore Heat Pump can be easily programmed to run during daylight hours to utilise your existing solar power!

Get a quote

Getting Your New iStore Heat Pump is Easy!

With more than 35 years experience in all aspects of hot water, our experts have the knowledge to solve all your hot water installation, repair and servicing needs.

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How it works

  1. A fan draws in air, containing heat energy, across the evaporator
  2. The evaporator turns the liquid refrigerant into a gas
  3. The compressor pressuries the refrigerant into a hot gas
  4. The hot gas inside the condenser coil heats the water inside the coil-wrapped tank
  5. The refrigerant reverts back to a liquid after heating the water and continues to the evaporator for the process to start again
  6. The cycle continues until the set target tempreature is achieved

Save THOUSANDS Every Year on your

Energy Bills

Find out below how

As a result, using the same amount of power input, the iStore Heat Pump produces 4 TIMES the amount of heat energy

output than an electric hot water system. This industry leading energy efficiency can reduce your hot water running

costs by up to 70%, saving you thousands of dollars every year!

Save thousands with an istore heat pump

Based on the above consumption over a 10 Year Life Span you would save over $10,000+ in running costs by installing an iStore Heat Pump compared to a Standard Electric Hot Water System!

Hot Water System Comparison

Find out which hot water system is the right choice for you!


Conventional Choice
  • Low Initial Cost
  1. Not Environmentally Friendly
  2. Rising Electricity Prices
  3. Most Expensive to Run

Electric hot water systems are the traditional type of hot water system on the market today. Although they are slightly cheaper to install, they are extremely expensive to run compared with the newer technology of a heat pump, costing you thousands more over the life of the system!


Heat pump

Energy efficient & cost effective
  • Cheapest to Run
  • Reduces Running Cost by up to 75%
  • Latest technology
  • Highly trusted & Reliable Brands
  • Cheaper to Install than Gas & Solar
  • Environmentally Friendly

Heat Pumps have gained tremendous popularity in the recent years and are the No.1 type of hot water system. With market leading energy efficiency, heat pumps can reduce your hot water bills by up to 70%! The iStore Heat Pump is our recommendation as it is built to Australian standards, easy
to install, extremely reliable and saves you THOUSANDS on your running costs over the life of the



environmentally friendly
  • Environmentally Friendly
  1. Unreliable & Problematic
  2. Most Expensive to Install
  3. Excessive Weight on Roof
  4. Difficut to Access & Service System
  5. Exposure to extreme weather conditions, leading to damaged panels.

While being environmentally friendly, we have seen far too many problems with solar hot water systems to be able to recommend this type of system. The roof mounted systems are often too heavy for the roof design and due to decreased accessibility, issues with the systems are frequently discovered too late. They are also the most costly unit to install and run inefficiently on an electric booster at night and on overcast days.



Compact design
  • Compact Design – can be installed where space is limited
  1. Rising Prices & Gas Charges
  2. Expensive to Install
  3. Expensive to Run

Gas Hot Water systems are a niche product that we only recommend if no other option would fit in the space at your property. They are expensive to install and due to the ever increasing gas prices and charges, they have also become expensive to run.


Getting Your New Hot Water System is Easy!


get in touch

Call us or Submit an Online Enquiry Form and receive a Free Upfront Fixed Quote.


we take care of everything

Our expert team will take care of the whole process, including recommending the perfect brand, size & type of hot water system to suit your needs and organising a preferred install date and time.


get installed

Our fully accredited and licenced plumbers & electricians take great care with your hot water system installation to ensure your system is correctly installed and compliant with Government standards.


enjoy your new hot water system

Sit back and relax as you enjoy steady and strong hot water from your brand new hot water system!

Who are istore?

iStore are an Australian owned and operated hot water company, with over 10 years experience in the heat pump industry.

iStore has installed over 20,000 hot water systems Australia wide in the last 10 years alone iStore has continually strived to improve its products and in doing so has developed industry leading heat pump hot water systems.

The iStore journey has been a long and considered one with specific design focus to ensure production of a unit that could meet Australian demands. All product developments are closely monitored by their expert team with over 75 years of combined experience in the field. Iterative changes have been applied steadily but the core design of the iStore Heat Pump has proven itself sound from the start. With their own full time heat pump service agents, iStore ensure exceptional post installation servicing and maintenance. The iStore needed to be cost effective for the consumer with as short a payback as possible, it must be quick and easy to install to gain industry acceptance and reduce costs, it must be breliable, and of course be flexible enough to deliver hot water as required at the lowest possible running cost.

This has been achieved through the development of the iStore 180 and 270 Models.

istore heat pump range

Voted Australia’s No.1 Heat Pump

Istore 180 litre heat pump

  • Ideal For Smaller Homes with 2-3 Persons.
  • Reduce your Hot Water Bill by up to 70%
  • Smaller in Diameter to Fit in Tight Areas.
  • Market Leading Energy Efficiency.
  • Award Winning Heat Pump

Istore 270 litre heat pump

  • Ideal for Larger Homes of up to 6 Persons.
  • Reduce your Hot Water Bill by up to 75%.
  • Extra Hot Water Storage ensures you won’t run out of hot water!
  • Market Leading Energy Efficiency.
  • Award Winning Heat Pump.

Voted Australia’s No.1 Heat Pump on

Donna Watson

I contacted John from Mundys Plumbing & Gas in relation to a new heat pump being installed, John was onsite that day running through different options. I opted for the I Store 270 Litre which he highly recommended and this unit has not let me down. My savings compared to my old gas system are unbelievable. Great product and great service. Will be recommending to all our friends.


We replaced our gas heater with an iStore and couldn’t be happier . We never run out of hot water with 5 adults . It’s quiet and extremely efficient. Coupled with our solar PV system we have free hot water for life .
Purchased in June 2020 for $3,250.00.


Beautiful system look and performersFrom the time when we install wasn’t even one and a half hour and the system temperature from 17° to 60° that is really really good I can’t believe the system is performing that much well done
Purchased in October 2020 for $100.00.


Beautiful system look and performersFrom the time when we install wasn’t even one and a half hour and the system temperature from 17° to 60° that is really really good I can’t believe the system is performing that much well done
Purchased in October 2020 for $100.00.


If you have PV solar installed in your household, installing a Heat Pump is a no-brainer!


The iStore and EvoHeat Heat Pumps have been designed with ultimate efficiency in mind. When installed in a home with Solar Power (PV) system, your iStore or EvoHeat Heat Pump’s smart timer can be programmed to run only during the daylight hours. This allows you to utilise your excess solar power to run your iStore or EvoHeat Heat Pump, and you’ll be producing FREE hot water!


This is the most environmentally friendly and energy efficient hot water solution there is, CALL NOW and SAVE thousands of $ on your hot water!

contact kms services today

Rapid response service with a difference. Here’s why…


Over 35+ Years Hot Water Experience

Our Hot Water Experts can provide the perfect solution for all your specific needs and budget!

Competitive & Affordable Fixed Price Guarantee

So you don’t have to worry about any hidden costs!

Trusted Family Owned & Operated Business

We are passionate about our reputation and strive to provide an honest, fair and professional hot water service every time!

Qualified & Insured Hot Water Technicians

Have peace of mind that your hot water system is in safe hands!

Same Day Hot Water Repairs & Installations

Our rapid response times make getting your hot water system easy!

getting your hot water system is easy

book a quote online

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iStore 180L Specifications

iStore 270L Specifications



March, 21 2021

Brisbane Hot Water Installation @ Boondall – North Brisbane

Our customer had called KMS Hot Water Services reporting that there old electric hot water system was corroded, leaking and in need of replacement. Within the day we were able…

March, 18 2021

Brisbane Hot Water Installation @ Carindale – South Brisbane

We were called to replace a Saxon electric hot water system that was over 15 years old and located in the laundry. After doing hours of research the customer chose…

March, 9 2021

Gold Coast Hot Water Installation @ Nerang

We were called to replace an old heat pump system that was overflowing with rusty water. After comparing the various heat pump brands on the market, the customer chose the…

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iStore Heat Pump Resource Videos

Introducing the iStore

This video is an introduction to the iStore Heat Pump.

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How to Set the Timer

This video shows step by step how to set up the timer on the iStore Heat Pump.

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How to Set the Modes of Operation

This video shows step by step how to set up the various modes of operation on the iStore Heat Pump.

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How to Lock the Settings

This video shows how to lock the above settings on the iStore Heat Pump.

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