Hot Water Systems in Mariginiup
The 6078 postcode, covering Mariginiup and Pinjar and surrounding areas, is home to around 300 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 Mariginiup and the 6078 area, 101 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 Mariginiup'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 6078
188th
State Wide
1410th
Australia Wide
Hot Water Installation Mariginiup
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 Mariginiup
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMariginiup
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 Mariginiup
Compare heat pump hot water systems suitable for Mariginiup'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 - Mariginiup, 6078
Hot Water Demographics - Mariginiup
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mariginiup has around 300 private dwellings, home to approximately 869 people. With an average household size of 3.1 people, and around 50 litres of hot water used per person each day in Australia, Mariginiup households use approximately 155 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 Mariginiup's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mariginiup community is home to 58 couple families with children and 16 one-parent families, meaning a large proportion of households face substantial hot water demand. With 118 homes owned with a mortgage and 115 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.
Mariginiup is converting hot water demand to efficient systems faster than many peers, with 33.7% of dwellings already upgraded.
Hot water systems in Mariginiup
In Mariginiup, more homeowners are rethinking their old gas and electric hot water system and switching to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With mostly separate houses, around 3.1 people per home and many families on solid household incomes, hot water demand is high – and so are the savings when you upgrade. The local climate helps too. Mariginiup enjoys an impressive average of about 19.3 MJ/m² of sunshine a day – roughly 5.4 kWh/m² – which is ideal for a solar hot water heating system or a high performance heat pump hot water installation.
With 279 occupied dwellings and a strong mix of homes owned outright or with a mortgage, upgrading from older gas or off‑peak electric hot water to an energy efficient hot water system is a logical next step in cutting running costs. Hot water can be one of the biggest energy users in a household, so the Annual Hot Water Energy Savings on offer in Mariginiup are significant when you move to the most efficient hot water system you can reasonably fit and afford. Many locals are comparing heat pump vs solar hot water, or solar hot water vs electric hot water, to find the right balance of upfront hot water system price, performance and roof space.
Across 6078, we see a steady rise in efficient hot water, with heat pump hot water systems and solar hot water installation both gaining ground. For a typical Mariginiup family home, hot water energy use can be a large share of total electricity, especially if you are still on an old electric storage unit. That is why more households are pairing rooftop solar with a heat pump hot water system or a roof‑mounted solar hot water system to slash bills.
Average annual bill savings in Mariginiup can look like:
• Old electric to heat pump hot water system: $450–$900 per year • Gas to heat pump hot water system: $350–$750 per year • Gas to solar hot water system: $300–$700 per year • Old electric to modern electric hot water installation with solar: $250–$600 per year
Brands like Rheem heat pump hot water and Rheem solar hot water are common choices for reliable performance, while Sanden heat pump units are popular with households chasing the best heat pump hot water system and ultra‑low running costs. Rinnai solar hot water and Chromagen solar hot water also feature in local installs, often chosen for their strong warranties and compatibility with existing solar PV. When a solar hot water tank replacement is needed, many Mariginiup homeowners take the chance to upgrade to a more energy efficient hot water system rather than like‑for‑like.
In Mariginiup alone, there have already been 101 efficient hot water systems installed, combining heat pump and solar hot water installations. Install numbers really started to move from 2012, with steady growth through 2014–2018 and a clear spike around 2020 when 12 systems went in. More recently, 2024 has seen another jump with 10 installations, showing renewed interest in electrification and lower running costs. Each new solar hot water installation or heat pump hot water installation reflects a local household choosing to cut bills, reduce emissions and move away from gas.
Hot Water Rebates, Tariffs & Savings
All this activity is helped along by generous hot water rebate programs. For Mariginiup homeowners, Australian Government Small‑scale Technology Certificates (STCs) reduce the effective heat pump hot water price and solar hot water price at the point of sale. On top of that, WA and national programs can provide a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate for eligible properties, making a quality system much more affordable. In some cases, these discounts can effectively reduce system cost by 30–50%, bringing the hot water system price or heat pump hot water cost down to a level similar to a basic replacement.
When you combine rebates, smart tariffs and your existing solar, it is common to save hundreds of dollars a year. Many Mariginiup households are now using timers or solar‑diversion controls so their electric hot water system or heat pump runs mainly on daytime solar. That shortens payback periods dramatically and makes options like Rheem heat pump hot water or a Sanden heat pump particularly attractive for anyone planning to stay in their home long term.
If you are weighing up electric hot water vs gas hot water, or trying to decide between heat pump vs solar hot water for your place in Mariginiup, it is worth getting tailored advice. With strong solar exposure, mostly family‑sized homes and a growing interest in sustainability, hot water WA upgrades can deliver real savings and comfort. Talk to experienced local hot water installers – specialists in solar hot water repair, hot water repair, electric hot water installation and solar hot water repair – to check whether your system is due for an upgrade, what hot water rebate WA options you can claim, and which of the best hot water system Australia brands will future‑proof your home. Connect with our trusted local experts for personalised advice and a smooth, efficient hot water installation that keeps your bills and emissions down for years to come.