Hot Water Systems in Dumbleyung
The 6350 postcode, covering Dumbleyung, Nairibin and Nippering and surrounding areas, is home to around 160 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 Dumbleyung and the 6350 area, 42 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 Dumbleyung's climate delivering an average of 5.1 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 6350
247th
State Wide
1815th
Australia Wide
Hot Water Installation Dumbleyung
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 Dumbleyung
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterDumbleyung
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 Dumbleyung
Compare heat pump hot water systems suitable for Dumbleyung'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 - Dumbleyung, 6350
Hot Water Demographics - Dumbleyung
Based on the Australian Bureau of Statistics 2021 Census (ABS), Dumbleyung has around 160 private dwellings, home to approximately 258 people. With an average household size of 2.1 people, and around 50 litres of hot water used per person each day in Australia, Dumbleyung households use approximately 105 litres of hot water daily, equating to a massive 0.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Dumbleyung's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Dumbleyung community is home to 22 couple families with children and — one-parent families, meaning a large proportion of households face substantial hot water demand. With 25 homes owned with a mortgage and 56 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.
Dumbleyung is converting hot water demand to efficient systems faster than many peers, with 26.3% of dwellings already upgraded.
Hot water systems in Dumbleyung
In Dumbleyung, hot water is something you notice straight away when it is not working – and with power prices climbing, more locals are rethinking how they heat it. Across 6350, households and farms are steadily shifting from older gas and electric units to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system that works with rooftop solar. With an average household size of around 2.1 people and a big share of homes owned outright, many Dumbleyung residents are in a good position to upgrade before their old tank fails.
Dumbleyung’s sunshine is a real asset here. The town enjoys mean daily solar exposure of about 18.2 MJ/m², or roughly 5 kWh/m² per day over the year, which is strong support for both a solar hot water heating system and a high efficiency heat pump hot water system. When you combine that with modest median household costs – like a median mortgage of just $515 a month and median rent of $150 a week – it makes sense to lock in lower running costs on something as essential as your hot water system. Swapping out an ageing gas or resistive electric unit can deliver substantial Annual Hot Water Energy Savings for Dumbleyung homeowners, especially those with families or larger farm households.
Around 6350 you will see a mix of brands on properties, with Rheem solar hot water and Rheem heat pump hot water popular for reliability, Sanden heat pump systems known for ultra efficient performance, and Rinnai solar hot water and Chromagen solar hot water often chosen where people want a robust solar hot water installation on a shed or homestead roof. For many locals, the decision comes down to heat pump vs solar hot water, or solar hot water vs electric hot water when they already have PV on the roof. A good installer will look at your roof space, water use and tariff to recommend the most efficient hot water system for your situation.
In a typical Dumbleyung home, hot water can be one of the biggest single energy users, so upgrading can really move the needle. As a guide, you might expect average annual bill savings in these ranges:
• Old electric to heat pump hot water installation: $400–$800 per year • Gas to heat pump hot water system: $300–$700 per year • Gas to solar hot water system: $250–$600 per year • Old electric to modern electric hot water installation with rooftop solar: $200–$500 per year
Local data shows this shift is already under way. In postcode 6350 there have been 42 efficient hot water installations – mainly heat pump and solar hot water – recorded over the years. Installations picked up in the late 2000s, with small peaks around 2008–2011, then another bump in 2020 as more people looked at electrification and lower running costs. Even in 2025, new systems are still going in, reflecting steady local interest in energy efficient hot water, cutting bills and moving away from gas hot water where possible.
When it comes to hot water WA homeowners also have help from rebates and incentives. Federal Small-scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water systems, effectively reducing the upfront hot water system price or cost. On top of that, state-based schemes and occasional programs can offer a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate when replacing old, inefficient units. For many Dumbleyung households, these discounts can trim the heat pump hot water price or cost and solar hot water price or cost by a sizeable chunk, cutting payback periods to just a few years. Using timers, smart controls or solar diversion to run an electric hot water system during the middle of the day can squeeze out even more savings and make your energy efficient hot water system one of the smartest upgrades on the property.
If your existing unit is rusty, running out of hot water or needing frequent hot water repair, it may be time to compare electric hot water vs gas hot water, look at the best heat pump hot water system options, or plan a solar hot water tank replacement before it fails. Many locals now ask for brands considered among the best hot water system Australia wide, and are keen on long warranties and strong local support. Whether you need hot water repair, new solar hot water repair after a storm, or a full hot water installation, choosing experienced installers who understand hot water WA conditions is essential.
Thinking about a hot water upgrade in Dumbleyung? If you are weighing up heat pump vs solar hot water, or wondering which energy efficient option will suit your roof, budget and tariff, it is worth getting tailored advice. Work with trusted local hot water installers like us – specialists in heat pump hot water installation, solar hot water installation and electric hot water installation – to check your home’s energy-efficiency potential, tap into any hot water rebate WA offers, and design a system that cuts bills, reduces emissions and future-proofs your place. Reach out for personalised advice and see which hot water system price and performance mix is right for your Dumbleyung home or business.