The Top 10 Best Heat Pump Hot Water Systems According to Australian Reviewers

Last Updated: 22nd Oct 2026

Below you can find a table that lists the 10 best heat pump hot water systems in Australia, according to reviews from real homeowners who have installed these systems.

  • iStore product image
    iStore product image

    Pros

    • Good quality, performance and strong track record
    • Reasonably priced
    • Solar-friendly
    • Can be plugged into an available powerpoint (flexible installation)
    • The 180L model is a good option for people with limited space

    Cons

    • The larger iStore unit is 270L. Families with 5 or 6+ people might want a bigger unit (300L+)
    • Ongoing maintenance requirements due to sacrificial anode
  • Reclaim Energy product image
    Reclaim Energy product image

    Pros

    • Australian/Japanese made
    • Very efficient
    • Quiet
    • Uses CO2 as a refrigerant (low Global Warming Potential).
    • Benefits of separate tank and compressor - more flexible installations and replace either component when they fail (rather than throw an all-in-one out)

    Cons

    • Pricing at the higher end of the spectrum
    • Units can get complicated - there are a lot of different models available
  • Aquatech Solar Technologies product image
    Aquatech Solar Technologies product image

    Pros

    • Affordable, but good quality.
    • Comparatively quiet.
    • Solar friendly.
    • Mid-market leading warranty of up to 7 years on parts and labour
    • Low maintenance.

    Cons

    • Mixed reviews about the app and wifi connectivity. Customers with a need for remote operation through an app should perhaps consider alternatives.
  • Haier product image
    Haier product image

    Pros

    • Split and all-in-one options
    • Solar PV mode
    • 5 year parts and labour warranty (+ another 2 years parts warranty on tank)
    • Eligible for Federal and some state incentives

    Cons

    • Pricey (but not the most expensive out there)
  • Rheem product image
    Rheem product image

    Pros

    • Made in Australia
    • Long-established company
    • Generally good reviews

    Cons

    • Comparatively expensive
    • No solar power specific integration features noted
    • No app
  • Emerald Energy product image
    Emerald Energy product image

    Pros

    • Competitively priced
    • Choice of split or all-in-one systems
    • Eligible for Federal and some state incentives
    • Solar-compatible

    Cons

    • Labour warranty only 2 years (5 years on parts)
    • Terrible app
  • Sanden product image
    Sanden product image

    Pros

    • Well-established company
    • Japanese-made heat pump units
    • Australian-made stainless tanks

    Cons

    • Expensive
    • No backup element
    • Poor average score in reviews posted around the web
  • Midea product image
    Midea product image

    Pros

    • Affordable

    Cons

    • Generally poor reviews
    • Lacklustre warranty
  • Evoheat product image
    Evoheat product image

    Pros

    • 5 operation modes.
    • Solar PV compatible
    • Eligible for STCs, and other incentives in some states

    Cons

    • More expensive than some other good quality units
    • Wi-Fi control app costs extra
    • Short labour warranty (1 year).
  • 10
    Rinnai product image
    Rinnai product image

    Pros

    • Manufactured in Australia - one of the few heat pumps built locally
    • Backed by Rinnai's 50+ years in the Australian hot water market and a national support network
    • Uses R290 (propane) refrigerant with a Global Warming Potential of just 3
    • Strong cylinder warranty: 7 years on the tank (parts), plus 5 years parts and labour on refrigeration components.

    Cons

    • Rinnai's heat-pump-specific track record is shorter than dedicated heat pump specialists
    • Independent customer review volume is limited
    • Buyers who don't specifically value Australian manufacture may find better value elsewhere

These 10 brands have been ranked based on their “Most Good Reviews” score over the past six months. Learn more about how we determine our top 10 rankings.

You can explore more options in our heat pump review section. Read everything you need to know to buy a hot water heat pump. When you’re ready, you can request three free quotes for heat pump installation by installers we have thoroughly vetted.

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