Hot Water Systems in Girrawheen
The 6064 postcode, covering Girrawheen, Alexander Heights, Koondoola and Marangaroo and surrounding areas, is home to around 11,402 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 Girrawheen and the 6064 area, 1,424 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 Girrawheen's climate delivering an average of 5.4 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 6064
38th
State Wide
180th
Australia Wide
Hot Water Installation Girrawheen
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 Girrawheen
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterGirrawheen
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 Girrawheen
Compare heat pump hot water systems suitable for Girrawheen'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 - Girrawheen, 6064
Hot Water Demographics - Girrawheen
Based on the Australian Bureau of Statistics 2021 Census (ABS), Girrawheen has around 11,402 private dwellings, home to approximately 29,481 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Girrawheen households use approximately 135 litres of hot water daily, equating to a massive 1.5 million litres of hot water used across the suburb every single day.
Other census insights reinforce Girrawheen's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Girrawheen community is home to 2,342 couple families with children and 805 one-parent families, meaning a large proportion of households face substantial hot water demand. With 4,616 homes owned with a mortgage and 3,169 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.
Girrawheen is converting hot water demand to efficient systems faster than many peers, with 12.5% of dwellings already upgraded.
Hot water systems in Girrawheen
Across Girrawheen, more homeowners are moving away from old gas and power‑hungry cylinders towards energy efficient hot water systems that are cheaper to run and kinder to the planet. With an average household size of around 2.7 people and more than 10,700 dwellings in the 6064 postcode, reliable hot water is non‑negotiable – but so are manageable power bills. Many families are juggling mortgages of about $1,517 a month or renting at around $300 a week, so reducing running costs with a smarter hot water system is an easy win.
Girrawheen’s sunny Perth climate is ideal for efficient hot water. The local Kingsley weather station records mean daily solar exposure of about 19.3 MJ/m², which works out at roughly 5.4 kWh of solar energy per square metre per day. That strong sunlight helps both a solar hot water system and a modern heat pump hot water system perform really well, especially when paired with rooftop solar. For many homes, upgrading from older gas or electric units to an energy efficient hot water system can deliver substantial Annual Hot Water Energy Savings without sacrificing comfort.
In 6064, most homes are separate houses with three or four bedrooms, so hot water demand is steady – morning showers, kids’ baths and plenty of laundry. Around 4,600 homes are owned with a mortgage and more than 2,600 are rented, so both owners and landlords are looking closely at hot water system price and long‑term costs. Swapping an ageing gas unit for a heat pump hot water system, or moving from an old electric hot water system to a solar hot water heating system, can cut hot water energy use dramatically and future‑proof the property as WA moves towards more electrified homes.
Recent data shows 1,424 efficient hot water installations – mainly heat pump and solar hot water installation jobs – already completed across the postcode. Install numbers climbed steadily through the 2000s, peaking around 2009–2010, and have stayed solid since, with dozens of systems going in every year right through to 2025. That steady trend reflects growing local interest in electrification, lower running costs and making better use of Girrawheen’s sunshine for hot water wa.
When it comes to brands, locals often look to trusted names like Rheem and Rinnai for both rheem solar hot water and rheem heat pump hot water options, or rinnai solar hot water paired with efficient electric boosting. High‑performance systems such as Sanden heat pump units are popular with homeowners chasing the most efficient hot water system on the market, while Chromagen solar hot water solutions suit households that want a robust solar hot water tank replacement. Choosing the best hot water system australia for your home comes down to roof space, budget, tariffs and how much hot water your family actually uses.
For a typical Girrawheen household, realistic annual bill savings from a hot water upgrade might look like:
• Old electric to heat pump hot water system: save roughly $350–$650 per year. • Gas to heat pump hot water installation: save around $250–$500 per year. • Gas to solar hot water installation: save about $300–$550 per year. • Old electric to modern electric hot water installation with rooftop solar: save roughly $250–$450 per year.
A key question many locals ask is heat pump vs solar hot water – which is better? In Girrawheen’s climate, both can be excellent. A solar hot water system or solar hot water heating system makes the most of long sunny days, while a quality heat pump hot water system works like a fridge in reverse, drawing heat from the air and performing well even on cooler mornings. Either way, both options are far more efficient than traditional electric hot water vs gas hot water setups, especially when paired with solar power and smart controls.
Hot Water Rebates, Tariffs & Savings
Across WA, interest is growing in replacing old gas or electric units with efficient hot water options in Girrawheen – whether that is a heat pump hot water installation, a new solar hot water system, or a well‑sized electric hot water system with solar support. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible solar hot water and heat pump systems, effectively acting as an upfront solar hot water rebate or heat pump hot water rebate that reduces the purchase price. On top of that, state‑based hot water rebate wa programs and occasional electric hot water system rebate offers can further trim the heat pump hot water price / cost or solar hot water price / cost, sometimes cutting overall system cost by a substantial percentage.
Once installed, many Girrawheen households see hundreds of dollars a year shaved off their bills. Add in timers or solar‑diversion controls so your electric hot water system heats mainly during sunny hours, and payback periods can shorten considerably. For families on median household incomes of around $1,422 a week, those savings make a real difference over the life of the system.
If your current unit is older, noisy, running out of hot water or needing frequent hot water repair, it may be time to compare solar hot water vs electric hot water and consider a modern upgrade. Whether you are looking at rheem solar hot water, a sanden heat pump, chromagen solar hot water or another of the best heat pump hot water system options, working with experienced local installers is crucial. They can size the system correctly, handle solar hot water repair and solar hot water tank replacement if needed, and guide you through every available hot water rebate wa program.
Thinking about a hot water upgrade in Girrawheen? Now is a smart time to check whether your home is ready to move from gas or an old electric unit to a heat pump or solar hot water system. With strong local sunshine, growing interest in sustainability and solid rebates on offer, an energy efficient hot water system can cut your bills, reduce emissions and future‑proof your home. Connect with trusted local hot water specialists for personalised advice, clear hot water system price comparisons and expert hot water installation or hot water repair support tailored to Girrawheen.
