Hot Water Systems in Westfield
The 6111 postcode, covering Westfield, Kelmscott Dc, Ashendon, Camillo, Canning Mills, Champion Lakes, Karragullen, Kelmscott, Lesley and Roleystone and surrounding areas, is home to around 9,500 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 Westfield and the 6111 area, 3,241 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 Westfield's climate delivering an average of 5.2 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.
Hot Water Ranking
Postcode 6111
11th
State Wide
47th
Australia Wide
Hot Water Installation Westfield
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 Westfield
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWestfield
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 Westfield
Compare heat pump hot water systems suitable for Westfield'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 - Westfield, 6111
Hot Water Demographics - Westfield
Based on the Australian Bureau of Statistics 2021 Census (ABS), Westfield has around 9,500 private dwellings, home to approximately 21,923 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Westfield households use approximately 125 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 Westfield's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Westfield community is home to 1,718 couple families with children and 600 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,969 homes owned with a mortgage and 2,797 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.
Westfield is converting hot water demand to efficient systems faster than many peers, with 34.1% of dwellings already upgraded.
Hot water systems in Westfield
Across Westfield, WA 6111, more locals are swapping old gas and electric units for an energy efficient hot water system that actually keeps bills under control. With power prices rising and an average household size of around 2.5 people, many families and downsizers are looking at a modern heat pump hot water system, solar hot water system or efficient electric hot water system as a smart next step. The area’s strong sunshine helps too: Westfield’s closest weather station at Armadale records about 18.8 MJ/m² of solar exposure a day on average – roughly 5.2 kWh/m² – which is ideal for both a solar hot water heating system and high‑performance heat pump hot water.
With around 9,500 dwellings and a big share of separate houses, Westfield is well suited to roof‑mounted solar hot water and outdoor heat pump units. Many households are paying off a mortgage (with median mortgage repayments of about $1,625 a month) and watching every dollar, so cutting hot water running costs can make a real difference. Upgrading from an older gas or electric hot water system to a more efficient option can deliver substantial Annual Hot Water Energy Savings, especially when paired with rooftop solar. For many homes, hot water is the second‑largest energy user after heating and cooling, so it is a logical place to start when you want to trim bills and emissions.
In the 6111 postcode there have already been 3,241 efficient hot water installations, including both heat pump hot water installation and solar hot water installation. Installations climbed steadily from the early 2000s, peaking around 2009, and have remained solid through to 2025, reflecting strong local interest in electrification and lower running costs. Many homes are now combining solar PV with a modern electric hot water installation or heat pump to soak up daytime solar and move away from gas hot water.
Typical annual bill savings for Westfield households can look like: • Replacing an old electric unit with a heat pump hot water system: about $350–$700 a year • Switching from gas hot water to a heat pump: about $250–$600 a year • Switching from gas to a solar hot water system: about $300–$650 a year • Upgrading an old electric unit to a modern electric hot water system run on solar: about $250–$500 a year
Brands like Rheem and Rinnai are popular locally for both solar hot water and efficient electric units, with options such as Rheem solar hot water, Rheem heat pump hot water and Rinnai solar hot water all widely used. Premium systems like Sanden heat pump units are often chosen by homeowners chasing the most efficient hot water system and ultra‑low running costs, while Chromagen solar hot water systems offer reliable solar hot water tank replacement options. Many locals simply want the best hot water system Australia can offer for their budget, so comparing heat pump vs solar hot water, or solar hot water vs electric hot water, is a common part of the decision.
Hot Water Rebates, Tariffs & Savings
For Westfield households, a big driver of change is the range of hot water rebate options now available. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump units, effectively cutting the upfront solar hot water price / cost or heat pump hot water price / cost by a sizeable margin. On top of that, WA homeowners may access additional state‑based support or retailer offers that work a bit like a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate when replacing older, inefficient units. These discounts can bring the overall hot water system price / cost down by hundreds or even thousands of dollars, especially when combined with competitive installation quotes.
When you factor in the ongoing savings – often hundreds of dollars per year off power or gas bills – payback periods for an energy efficient hot water system can be surprisingly short. Many Westfield homes with solar use timers or smart controls to run an electric or heat pump hot water system in the middle of the day, turning excess solar into free or very cheap hot water. That is where options like rheem heat pump hot water, sanden heat pump systems or a carefully sized solar hot water heating system really shine. For some households, a modern electric hot water vs gas hot water comparison clearly favours going all‑electric, particularly when you already have rooftop solar and want to future‑proof the home.
If your current unit is old, noisy, leaking or struggling to keep up, it is worth checking whether a solar hot water repair or hot water repair will do the job, or if a full upgrade makes more sense. In some cases, a solar hot water repair on an ageing system leads straight into a solar hot water tank replacement, and that can be the perfect time to rethink your setup and compare options like chromagen solar hot water, rinnai solar hot water and the best heat pump hot water system for your household size. With generous hot water rebate WA incentives, many Westfield homeowners are finding that stepping up to an efficient hot water system costs less than they expected.
If you live in Westfield and are wondering whether to stick with gas, choose a new electric hot water system or move to a heat pump or solar hot water system, now is a good time to explore your options. A local hot water WA specialist can help you weigh up heat pump vs solar hot water, explain current rebates, and estimate realistic solar hot water price / cost and heat pump hot water price / cost for your home. Working with experienced hot water installers who handle solar hot water installation, heat pump hot water installation, electric hot water installation and ongoing hot water repair means you get a system that suits your roof, your budget and your family’s needs.
Thinking about a hot water upgrade in Westfield? Whether you are replacing tired gas, upgrading an old electric unit or planning an all‑electric home, efficient hot water systems can cut bills, reduce emissions and make the most of Westfield’s sunshine. Talk with our trusted local hot water experts for personalised advice on the best hot water system Australia has to offer for your place, and see how a smarter system can future‑proof your home.