Hot Water in Hillman, WA

Hot Water Systems in Hillman

The 6168 postcode, covering Hillman, Rockingham Dc, Cooloongup, East Rockingham, Garden Island, Peron, Rockingham and Rockingham Beach and surrounding areas, is home to around 11,706 households. With many households already generating their own clean solar power, many are now looking at how they can make their entire home energy system more efficient, with hot water heating often the logical next step.

With hot water roughly accounting for a quarter of the average home's energy use, switching to an energy-efficient hot water system is one of the biggest opportunities for savings. Across Hillman and the 6168 area, 2,334 homeowners have already switched from older electric storage and gas hot water systems to solar hot water or air-source heat pump systems that draw on clean, renewable power while also claiming the hot water rebates to reduce their hot water heater system cost. These highly-efficient systems not only help cut energy bills but also reduce carbon emissions and improve overall energy independence.

With Hillman's climate delivering an average of 5.3 kWh/m² per day, conditions are ideal for hot water systems and hybrid heat pump systems that harness both sunlight and ambient air temperature to heat water efficiently all year round. When paired with existing rooftop solar power or solar batteries, the result is hot water that costs far less to run and is powered by clean, self-generated energy.

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Hot Water Ranking

Postcode 6168

20th

State Wide

86th

Australia Wide

Hot Water Installation Hillman

Estimated daily energy to heat household water, comparing a resistive electric element with a high-efficiency heat pump. Demand shifts month-to-month using local climate patterns.

Energy Efficient Hot Water & Solar Power Hillman

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterHillman

Illustrates how a typical 6.6 kW rooftop solar system can offset the daytime energy demand of a COP 5 heat pump hot water unit.

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Heat Pump Hot Water Systems for Hillman

Compare heat pump hot water systems suitable for Hillman's climate. These energy-efficient systems are designed to work in local temperature conditions and can significantly reduce your hot water energy costs.

Community Hot Water Statistics - Hillman, 6168

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Hot Water Demographics - Hillman

Based on the Australian Bureau of Statistics 2021 Census (ABS), Hillman has around 11,706 private dwellings, home to approximately 21,847 people. With an average household size of 2.1 people, and around 50 litres of hot water used per person each day in Australia, Hillman households use approximately 105 litres of hot water daily, equating to a massive 1.2 million litres of hot water used across the suburb every single day.

Other census insights reinforce Hillman's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Hillman community is home to 1,286 couple families with children and 632 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,124 homes owned with a mortgage and 3,496 owned outright, many residents also have the homeownership and growing equity that make switching to efficient hot water systems a practical way to lower expenses.

Hillman is converting hot water demand to efficient systems faster than many peers, with 19.9% of dwellings already upgraded.

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Hot water systems in Hillman

Across Hillman and the wider 6168 area, more locals are rethinking their old gas and electric hot water and moving to smarter, energy efficient options. With an average household size of around 2.1 people and more than 10,000 dwellings in the postcode, reliable hot water is essential – but so are manageable power bills. Many households are on modest median household incomes, so switching to a modern hot water system that costs less to run is a practical way to free up the budget.

Hillman is well suited to efficient hot water technology. The Rockingham weather station records an impressive 19.2 MJ/m² of average annual solar exposure – roughly 5.3 kWh per square metre per day – which gives a real boost to both a solar hot water system and a heat pump hot water system. That strong sunshine, combined with a high share of separate houses and family homes, makes upgrading from older gas or resistive electric units to a more efficient hot water installation a logical next step. Over a year, the hot water energy savings for a typical Hillman home can easily reach hundreds of dollars, especially when paired with rooftop solar.

In 6168, there is steady demand for hot water repair and replacement as systems age out. Many homes are still on gas or older electric hot water, while others have already moved to an energy efficient hot water system such as a heat pump or solar hot water heating system. Brands like Rheem and Rinnai are popular for both solar and electric hot water installation, while premium options like Sanden heat pump systems are gaining traction with homeowners chasing the most efficient hot water system they can get. Chromagen solar hot water solutions are also appearing on more roofs as people compare heat pump vs solar hot water and look for the best hot water system Australia can offer for their situation.

When it comes to hot water system price, Hillman households are understandably careful. A heat pump hot water price or cost is usually higher upfront than a basic electric hot water system, and a full solar hot water installation with panels and a solar hot water tank replacement can cost more again. But the running costs are far lower, and with the right solar hot water rebate, heat pump hot water rebate or electric hot water system rebate, the real out‑of‑pocket solar hot water price or cost can drop significantly. For many homes, solar hot water vs electric hot water is not just a comfort decision but a long‑term financial one.

To give a feel for savings, here are some typical annual bill reductions Hillman households might see:

• Replacing an old electric hot water system with a quality heat pump hot water installation: around $350–$700 per year. • Switching from gas to a heat pump hot water system: roughly $250–$600 per year. • Switching from gas to a roof‑mounted solar hot water system: about $300–$650 per year. • Upgrading an old electric unit to a modern electric hot water installation and running it mainly on rooftop solar: around $250–$550 per year.

With around 2,334 efficient hot water systems already installed across the 6168 postcode, Hillman is clearly part of a growing shift. Installations climbed strongly from the early 2000s, peaking around 2009–2011, and while numbers have steadied in recent years, there is still consistent demand, with dozens of new heat pump and solar hot water installations going in every year. This trend mirrors the broader move towards electrification, lower running costs and cleaner energy in Hillman WA.

Hot Water Rebates, Tariffs & Savings

Right now there is strong interest in Hillman in replacing old gas or electric hot water with efficient options like heat pumps, modern electric hot water systems and solar hot water. Federal incentives such as Small‑scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, knocking thousands off the upfront cost in some cases. On top of that, WA‑based hot water rebate WA programs and retailer offers can further reduce the heat pump hot water price or cost, or make a rheem solar hot water or rinnai solar hot water upgrade more affordable. In practice, these discounts can cut the installed system cost by a substantial percentage and bring payback periods down to just a few years, especially if you also have rooftop solar and use timers or smart controls to run your electric or heat pump unit during the day. Compared with electric hot water vs gas hot water on standard tariffs, an efficient system can save hundreds of dollars a year while reducing your household emissions.

If you live in Hillman and your current unit is old, noisy or running up big bills, it is a good time to check whether your home is ready for a hot water upgrade – whether that is a rheem heat pump hot water system, chromagen solar hot water, a sanden heat pump or another of the best heat pump hot water system options on the market. Working with experienced local installers who understand hot water WA conditions means you get honest advice on solar hot water vs electric hot water, the most efficient hot water system for your usage, and which hot water rebate WA residents can claim. To cut bills, reduce emissions and future‑proof your home, connect with trusted Hillman hot water specialists for personalised advice and a tailored quote with us.

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