Hot Water in Mardie, WA

Hot Water Systems in Mardie

The 6714 postcode, covering Mardie, Antonymyre, Balla Balla, Baynton, Bulgarra, Burrup, Cleaverville, Cooya Pooya, Gap Ridge, Gnoorea, Karratha, Karratha Industrial Estate, Maitland, Millars Well, Mount Anketell, Mulataga, Nickol, Pegs Creek, Sherlock and Stove Hill and surrounding areas, is home to around 6,333 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 Mardie and the 6714 area, 479 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 Mardie's climate delivering an average of 6.4 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.

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Hot Water Ranking

Postcode 6714

111st

State Wide

581st

Australia Wide

Hot Water Installation Mardie

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 Mardie

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterMardie

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 Mardie

Compare heat pump hot water systems suitable for Mardie'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 - Mardie, 6714

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Hot Water Demographics - Mardie

Based on the Australian Bureau of Statistics 2021 Census (ABS), Mardie has around 6,333 private dwellings, home to approximately 14,151 people. With an average household size of 2.8 people, and around 50 litres of hot water used per person each day in Australia, Mardie households use approximately 140 litres of hot water daily, equating to a massive 0.9 million litres of hot water used across the suburb every single day.

Other census insights reinforce Mardie's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mardie community is home to 1,850 couple families with children and 253 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,285 homes owned with a mortgage and 329 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.

Mardie is converting hot water demand to efficient systems faster than many peers, with 7.6% of dwellings already upgraded.

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Hot water systems in Mardie

Across Mardie and the wider 6714 postcode, more locals are rethinking how they heat their water. With high energy prices, hot days and busy family homes, upgrading to an energy efficient hot water system is becoming a smart, practical move. Many households are shifting from older gas or electric units to a modern heat pump hot water system, solar hot water system or efficient electric hot water system that works with rooftop solar.

Mardie is a working, family‑focused area, with around 5,089 occupied dwellings and an average household size of 2.8 people. That means plenty of showers, washing and dishwashing every day, so hot water demand is significant. At the same time, median household income in the 6714 area is strong, at about $3,188 per week, which makes planning a quality hot water installation with long‑term savings more achievable for many owners and businesses. With mean daily solar exposure of about 22.9 MJ/m² (roughly 6.4 kWh/m² per day), Mardie’s sunshine is ideal for a solar hot water heating system or a high‑efficiency heat pump hot water installation that draws on warm ambient air.

Local data shows 479 efficient hot water systems (mainly heat pumps and solar hot water installations) have already gone in across the postcode. Installations peaked around 2003, 2007 and 2009, and while numbers have been smaller in recent years, there is renewed interest as people look to cut bills, move away from gas and choose the most efficient hot water system they can. For many homes with three or four bedrooms and growing families, hot water energy use can make up a large slice of total electricity consumption, so the potential savings from a well‑chosen upgrade are substantial.

When comparing heat pump vs solar hot water, it often comes down to roof space, budget and whether you already have solar panels. A heat pump hot water system can be the best heat pump hot water system option for shaded sites or shift workers who need hot water at all hours, while a roof‑mounted solar hot water system shines on clear Pilbara days. Brands like Rheem heat pump hot water and Rheem solar hot water are popular for tough conditions, while Rinnai solar hot water, Sanden heat pump units and Chromagen solar hot water also have solid reputations for efficiency and reliability in hot, coastal climates. Many locals still use a straightforward electric hot water system, but newer models paired with solar can be a very energy efficient hot water system when set up on timers or diverters.

Typical savings from upgrading in Mardie look like this:

• Replacing an old electric hot water system with a quality heat pump: around $350–$700 per year off bills. • Switching from gas hot water to a heat pump: roughly $300–$600 per year saved, depending on usage and tariffs. • Moving from gas to a solar hot water system: often $250–$550 per year in savings. • Upgrading an old electric unit to a modern electric hot water installation timed to run on solar: commonly $200–$450 per year.

For many households, the hot water system price or cost is the main hurdle. The good news is that Australian Government Small‑scale Technology Certificates (STCs) and WA hot water rebate programs can reduce the upfront heat pump hot water price or cost and solar hot water price or cost by a meaningful amount. In some cases, discounts and incentives effectively trim the system cost by 20–40%, especially when you install a qualifying heat pump hot water system or solar hot water heating system. There are also electric hot water system rebate offers in some schemes when you replace gas, helping make electric hot water vs gas hot water a clear financial win over time.

For Mardie homeowners, these incentives, combined with strong sun and relatively high power use, can deliver payback periods of just a few years. Add in smart controls like timers or solar diversion, and you can push your hot water towards being the most efficient hot water system in your home, slashing running costs while keeping comfort high. If your existing unit is leaking, rusted, or you are facing a solar hot water tank replacement or hot water repair, it is often better value to put that money towards a new, energy efficient hot water system instead.

When you are weighing up solar hot water vs electric hot water or considering a full hot water replacement, it pays to get local advice. Experienced installers familiar with hot water WA conditions can help you compare options, explain hot water rebate WA eligibility, and recommend whether a Rheem, Rinnai, Sanden heat pump or Chromagen solar hot water setup will best suit your household or business. They can also handle hot water repair and solar hot water repair work when a simple fix is all that is needed.

If you live or work in Mardie and your current unit is ageing, noisy or expensive to run, now is a good time to check whether your property is ready for a hot water upgrade. Switching from gas or an old electric to a modern heat pump hot water system, solar hot water system or efficient electric unit can cut bills, reduce emissions and future‑proof your home in a region that is already embracing smarter energy. Talk with trusted local hot water specialists who understand hot water WA conditions and rebates, and get personalised advice on the best hot water system Australia can offer for your place.

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