Hot Water Systems in Rossmoyne
The 6148 postcode, covering Rossmoyne, Ferndale, Riverton and Shelley and surrounding areas, is home to around 7,232 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 Rossmoyne and the 6148 area, 1,495 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 Rossmoyne'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.
Hot Water Ranking
Postcode 6148
35th
State Wide
167th
Australia Wide
Hot Water Installation Rossmoyne
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 Rossmoyne
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterRossmoyne
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 Rossmoyne
Compare heat pump hot water systems suitable for Rossmoyne'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 - Rossmoyne, 6148
Hot Water Demographics - Rossmoyne
Based on the Australian Bureau of Statistics 2021 Census (ABS), Rossmoyne has around 7,232 private dwellings, home to approximately 18,002 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Rossmoyne households use approximately 135 litres of hot water daily, equating to a massive 1.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Rossmoyne's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Rossmoyne community is home to 1,734 couple families with children and 293 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,322 homes owned with a mortgage and 2,634 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.
Rossmoyne is converting hot water demand to efficient systems faster than many peers, with 20.7% of dwellings already upgraded.
Hot water systems in Rossmoyne
Across Rossmoyne, more homeowners are swapping old gas and ageing electric units for a modern hot water system that is cheaper to run and kinder to the planet. With an average household size of around 2.7 people and more than 6,700 dwellings in the 6148 area, demand for reliable, energy efficient hot water is strong. Many homes are owned outright or with a mortgage, so upgrading to a heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step in cutting running costs.
Rossmoyne’s sunshine helps a lot. Local solar data from nearby Melville shows mean daily solar exposure of about 19.2 MJ/m², which is roughly 5.3 kWh/m² per day across the year. That level of sun is ideal for a solar hot water heating system and also boosts the performance of a heat pump hot water system, especially when paired with rooftop solar. For families with higher incomes and busy lifestyles, an efficient hot water upgrade can deliver meaningful Annual Hot Water Energy Savings while keeping showers hot and laundry easy.
In 6148, detached homes dominate, with thousands of three and four bedroom houses driving solid hot water demand. Many of these properties still run older gas or resistive electric units. Replacing them with the most efficient hot water system you can reasonably afford makes sense, whether that is a premium sanden heat pump, a rheem heat pump hot water unit, or a quality rheem solar hot water or chromagen solar hot water system. These brands are common across Perth and suit Rossmoyne’s mix of family homes and downsizers.
Typical annual bill savings from a hot water installation or upgrade in Rossmoyne can look like:
• Old electric to heat pump: save roughly $350–$700 per year • Gas to heat pump: save around $250–$600 per year • Gas to solar hot water: save about $250–$550 per year • Old electric to modern electric with solar: save around $200–$450 per year
These figures vary with usage, tariffs and whether you run the system on timers to line up with solar generation, but they give a realistic feel for what is possible. When you factor in a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate, the effective hot water system price or cost can drop sharply, with payback times often shortened to just a few years.
Rossmoyne has already seen strong interest in efficient hot water. There have been 1,495 efficient hot water systems installed in the postcode, including both heat pump hot water installation and solar hot water installation. Installations started modestly in the early 2000s, then picked up around 2009–2012 as rebates and solar uptake grew. More recently, steady numbers through 2019–2024 show continuing demand as households look for lower running costs, smart electrification and a move towards all‑electric homes. This trend lines up with a community that values comfort, reliability and lower energy bills.
Hot Water Rebates, Tariffs & Savings
For Rossmoyne households weighing up heat pump vs solar hot water or even solar hot water vs electric hot water, rebates and tariffs are key. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pumps, effectively acting as a solar hot water rebate or heat pump hot water rebate that cuts the upfront solar hot water price or cost and heat pump hot water price or cost. Western Australia programs and retailer offers can also support efficient electric hot water installation, helping you shift away from gas hot water. Together, these hot water rebate wa options can slice a substantial percentage off the system cost.
Once installed, an energy efficient hot water system can trim hundreds of dollars a year from bills, especially if you use timers or solar diversion to run a heat pump or electric hot water system during sunny hours. In a sunny, riverside suburb like Rossmoyne WA, combining rooftop solar with a quality hot water system WA upgrade is one of the smartest ways to reduce reliance on gas, cut emissions and future‑proof your home.
If your current unit is leaking, struggling, or you are simply curious about the best hot water system Australia has to offer, now is a good time to review your options. Whether you are considering rheem solar hot water, rinnai solar hot water, a sanden heat pump or another best heat pump hot water system, it pays to get local, expert advice. Talk with experienced hot water installers who understand Rossmoyne’s homes, tariffs and climate. They can help you compare electric hot water vs gas hot water, plan a solar hot water tank replacement, arrange hot water repair or solar hot water repair, and choose the right energy efficient hot water system to reduce bills, cut emissions and keep your household comfortable for years to come. Connect with trusted local specialists for personalised guidance on your next hot water upgrade in Rossmoyne.