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Hot Water System Types

Which type of hot water system is best for you?

Are you wanting to get your hot water installation sorted before winter but the amount of information available has you second guessing what type of hot water to invest in?

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Pure Plumbing Professionals have created an easy guide listing the pro’s and con’s of each type of system to help you out. The licensed plumbers at Pure Plumbing Pro’s are specialists in everything hot water, including installation, repairs and services. The plumbing team have years of experience under their tool belt and and will be able to help you out with any queries you may face when deciding which type of hot water system is more suitable for your home

There are many different types of hot water systems on the market such as gas, electric, instant, solar, heat pump and storage hot water with each type gaining popularity for different reasons. If you're wanting an easy comparative guide for your hot water choices, simply continue reading below.

Gas Hot Water:


  • This type is very energy efficient and produces low greenhouse gas emissions.
  • If your family uses natural gas as the primary energy source then this is your best option.


  • Very expensive to install.
  • Not a good choice for homes that don’t run on natural gas.

Electric Hot Water


  • This is the most common type of water heater in Australia due to it's ability to heat and hold large quantities of hot water, which is useful for a big family.


  • One of the more expensive options.
  • New government legislation is trying to limit use of this system type as it produces a high level of carbon emissions.
Instant hot water system - Rinnai

Instant Hot Water


  • This system is very energy efficient as it only heats water when it's in demand rather than heating it constantly.
  • Instant hot water is very convenient for cooking and cleaning purposes.
  • This type of system is tank-less so its perfect for small areas or apartments.


  • Potential to be an expensive installation as you may need larger gas lines or more power capacity to install (depending on your home).
  • These types of systems are connected to a day-rate tariff making running costs higher than off peak storage systems.

Solar Hot Water


  • Very energy efficient and the most environmentally friendly type of hot water type.
  • Allows the sun to do most of the work.


  • This type of system is very expensive and the return on investment will not be seen for a long period of time.

Heat Pump Hot Water


  • This type of water heater is one of the most energy efficient which reduces cost in the long run.


  • This system relies on using heat from the air around it or ground therefore doesn’t work well in cold spaces or climates.
  • One of the most expensive type of water heater to install.

Storage Hot Water


  • This style of water heater is typically the most affordable.
  • Easy to install.


  • The heater only holds so much water at a time meaning that when the hot water runs out, it could take over an hour to refill and heat the water.
  • Requires a lot of energy to keep heating the water constantly (creating high electricity bills).
  • Very expensive to install.

Hot Water System Installation, Repairs and Service

If you're needing a licensed plumber with hot water installation expertise then Pure Plumbing Pro's are the team to get the job done for you. We have been repairing and installing many different types of hot water systems for years and consider ourselves experts.

If you're needing to speak to someone experienced in hot water systems, just call us on 0407 837 729 and one of our qualified plumbers will be able to answer any questions you may have or fill in our online booking form.


Cost of hot water systems

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Whether you're upgrading an old hot water system or installing a new setup deciding which system ...

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Gas vs electric instant hot water systems

Instant hot water systems offer a compact, often energy efficient water heating option. Once you’ve decided instant, also called continuous flow or instantaneous, is the way you need to choose between either a gas (natural gas or LPG) and electric models.

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Pros and cons of the different types of hot water systems

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It used to be standard practice that when you needed a new hot water system you looked for the biggest storage tank system you could find and got the plumber to whack it in just ou...

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For more in depth hot water information visit our Hot water Information page

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    Just a note to acknowledge the amazing service provided to us recently by Jeremy and his team. Following on from the unfortunate experience of a blocked sewerage pipe we were informed by another company that we required a boundary trap replacement and, accordingly, were provided with a quote of i...

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    Was not having a Good Friday with a seriously blocked drain problem. Called Pure Plumbing and extremely pleased with the service provided. In the first instance the public holiday call out fee was much more reasonable than others we had called. The plumber arrived within an hour - and even called...

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    Thank you for your fast service fixing our leaking shower taps.

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    Perfect. Thank you once again for all of your great work. The attention to details and quality of craftsmanship shows in your work. I’m truly grateful that you guys are my plumbing team.

  • Heather from
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    Hi Jerram A massive thank you for sending Michael to fix our toilet and main bathroom taps - it is a huge change to have working plumbing!!! Can’t thank you guys enough. Have a great day Heather 😊

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