Hot Water Systems in Mocardy
The 6603 postcode, covering Mocardy, Konnongorring, Lake Hinds, Lake Ninan and Wongan Hills and surrounding areas, is home to around 543 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 Mocardy and the 6603 area, 130 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 Mocardy's climate delivering an average of 5.5 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 6603
177th
State Wide
1280th
Australia Wide
Hot Water Installation Mocardy
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 Mocardy
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMocardy
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 Mocardy
Compare heat pump hot water systems suitable for Mocardy'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 - Mocardy, 6603
Hot Water Demographics - Mocardy
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mocardy has around 543 private dwellings, home to approximately 971 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Mocardy households use approximately 115 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Mocardy's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mocardy community is home to 81 couple families with children and 24 one-parent families, meaning a large proportion of households face substantial hot water demand. With 98 homes owned with a mortgage and 175 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.
Mocardy is converting hot water demand to efficient systems faster than many peers, with 23.9% of dwellings already upgraded.
Hot water systems in Mocardy
In Mocardy, more locals are rethinking their old 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, an average household size of around 2.3 people and many families and retirees on fixed budgets, it makes sense to cut running costs wherever you can. The area’s strong sun is a big help too: Glenvar’s average annual solar exposure of 19.8 MJ/m² a day (roughly 5.5 kWh/m²) means a solar hot water heating system or efficient heat pump can perform very well here.
Around 440 occupied dwellings and a solid mix of homes owned outright or with a mortgage in Mocardy, WA suggest plenty of owner‑occupiers who can benefit from lower bills and better comfort. Upgrading from older gas or power‑hungry electric units to an energy efficient hot water system can trim a big chunk off household energy use, because hot water often accounts for 20–30% of a home’s consumption. For many households, annual hot water energy savings from a modern system can reach hundreds of dollars, especially when combined with rooftop solar.
Across the 6603 postcode, efficient hot water has been steadily catching on. With 130 heat pump and solar hot water installations recorded, locals are clearly interested in electrification and lower running costs. Installations jumped in years like 2009 and 2010, and there has been renewed activity again from 2021 through to 2025, showing ongoing interest in hot water upgrades as energy prices rise and gas becomes less attractive. Many homes are weighing up heat pump vs solar hot water, or looking at solar hot water vs electric hot water paired with rooftop PV.
Typical bill savings in Mocardy look like this:
• Old electric to heat pump hot water installation: save roughly $350–$700 per year. • Gas to heat pump hot water system: save around $250–$600 per year. • Gas to solar hot water installation: save about $300–$650 per year. • Old electric to modern electric hot water installation with solar: save roughly $250–$500 per year.
Brands like Rheem, Rinnai, Sanden and Thermann are common choices for locals comparing the best hot water system Australia offers. Rheem solar hot water and Rinnai solar hot water are popular for roof‑mounted or split‑system solar hot water installation, while Rheem heat pump hot water and Sanden heat pump units are often shortlisted by households chasing the most efficient hot water system with very low running costs. When a solar hot water tank replacement or hot water repair is needed, many Mocardy homeowners take the opportunity to upgrade to one of the best heat pump hot water system options instead of like‑for‑like.
In WA, hot water rebate programs and tariffs are helping more regional households move away from gas. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water installation, effectively cutting the upfront solar hot water price / cost or heat pump hot water price / cost by a substantial amount. On top of that, state‑based schemes can offer a heat pump hot water rebate or solar hot water rebate, and in some cases an electric hot water system rebate when replacing old gas. For many Mocardy homes, these hot water rebate WA incentives can slice thousands off the system cost and shorten payback periods to just a few years, especially when you use timers or solar diversion to run the system when rooftop PV is generating.
If you are comparing electric hot water vs gas hot water, or trying to decide between heat pump vs solar hot water for your property, it is worth getting clear advice on hot water system price / cost, solar hot water price / cost and long‑term savings. A quality hot water installation will be sized to your family’s needs, whether you are a couple in a small two‑bed or a larger household in one of Mocardy’s many three‑ and four‑bedroom homes. Good design and set‑up can turn a standard unit into a truly energy efficient hot water system.
If your current unit is older, unreliable or due for hot water repair, now is a smart time to look at a heat pump hot water system, solar hot water repair with upgrade, or a modern electric hot water installation that works with your solar. With Mocardy’s strong sun, growing interest in sustainability and plenty of detached homes, hot water WA upgrades are a practical way to cut bills, reduce emissions and future‑proof your place. For tailored advice on hot water systems Mocardy residents can rely on, have a chat with experienced local hot water installers and rebate specialists who can size the right system and guide you through the hot water rebate WA process.