Hot Water Systems in Lower Hermitage
The 5131 postcode, covering Lower Hermitage, Houghton and Upper Hermitage and surrounding areas, is home to around 354 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 Lower Hermitage and the 5131 area, 86 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 Lower Hermitage's climate delivering an average of 4.8 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 5131
161st
State Wide
1503rd
Australia Wide
Hot Water Installation Lower Hermitage
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 Lower Hermitage
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterLower Hermitage
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 Lower Hermitage
Compare heat pump hot water systems suitable for Lower Hermitage'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 - Lower Hermitage, 5131
Hot Water Demographics - Lower Hermitage
Based on the Australian Bureau of Statistics 2021 Census (ABS), Lower Hermitage has around 354 private dwellings, home to approximately 945 people. With an average household size of 2.9 people, and around 50 litres of hot water used per person each day in Australia, Lower Hermitage households use approximately 145 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 Lower Hermitage's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Lower Hermitage community is home to 78 couple families with children and 7 one-parent families, meaning a large proportion of households face substantial hot water demand. With 151 homes owned with a mortgage and 165 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.
Lower Hermitage is converting hot water demand to efficient systems faster than many peers, with 24.3% of dwellings already upgraded.
Hot water systems in Lower Hermitage
In Lower Hermitage, more locals are swapping old gas and ageing electric units for modern, energy efficient hot water systems that keep bills under control. With an average household size of about 2.9 people and most homes either owned outright or with a mortgage, hot water is a big chunk of running costs in a typical family home. Upgrading to a heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step if you want lower bills and fewer surprises from energy price rises.
Lower Hermitage is well placed for efficient hot water technology. The nearby Inglewood weather station records an average annual solar exposure of about 17.1 MJ/m² per day, which is roughly 4.75 kWh/m² of sunshine daily. That strong solar resource helps a solar hot water heating system perform well and also boosts the efficiency of a heat pump hot water system, especially when it is timed to run during sunny hours. With a median household income over $2,200 per week and a large share of separate houses (around 329 dwellings), many households are in a good position to invest in upgrades that deliver long term hot water energy savings.
Around the 5131 area, most homes are three or four bedroom properties, so hot water demand is steady, particularly for families and multi-generational households. As more people install rooftop solar, pairing it with a modern electric hot water system or solar hot water vs electric hot water becomes a smart way to soak up excess solar and cut bills. Homeowners are asking more often about heat pump vs solar hot water, the most efficient hot water system for their situation, and the typical hot water system price or cost to upgrade. Brands like Rheem solar hot water, Rinnai solar hot water and Chromagen solar hot water are well known locally, while premium heat pump options such as Sanden heat pump and Rheem heat pump hot water are popular for those chasing the best heat pump hot water system and the best hot water system Australia can offer.
Average bill savings will vary, but there are some realistic ranges for Lower Hermitage homes:
• Old electric to heat pump hot water system: save around $350–$700 per year. • Gas to heat pump hot water: save roughly $250–$600 per year. • Gas to solar hot water system: save about $200–$500 per year. • Old electric to new electric hot water with solar: save around $250–$550 per year.
In total, there have already been 86 efficient hot water installations (heat pump and solar hot water installation) recorded in the 5131 postcode. Installations climbed steadily through the 2000s, peaking around 2012–2013, with smaller but consistent numbers in more recent years, including new systems installed as recently as 2025. This pattern shows a long running interest in efficient hot water, electrification and lower running costs in Lower Hermitage, with many households now looking at hot water repair, solar hot water repair and solar hot water tank replacement instead of going back to gas.
Hot Water Rebates, Tariffs & Savings
Across Lower Hermitage SA, more people are replacing old gas or off-peak electric units with efficient options like heat pump hot water installation, solar hot water installation or high efficiency electric hot water installation. A big driver is the range of hot water rebate SA programs. The Australian Federal Government’s Small-scale Technology Certificates (STCs) apply to eligible solar hot water heating systems and heat pump hot water systems, acting like an upfront discount. On top of this, state-based schemes can offer a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some programs, effectively cutting the heat pump hot water price or cost and solar hot water price or cost by a substantial percentage.
For many Lower Hermitage homes, a well chosen energy efficient hot water system can trim hundreds of dollars a year from bills. When you combine rebates, smart tariffs and rooftop solar, payback periods can drop to just a few years. Using timers or solar-diverters to run your hot water system in the middle of the day makes a heat pump or electric hot water vs gas hot water even more attractive, and helps you get closer to an all-electric home that is cheaper to run and easier to decarbonise.
If you live in Lower Hermitage and your current hot water system is older, noisy or costing a fortune, now is a good time to check whether your home is ready for a hot water upgrade. Whether you are comparing heat pump vs solar hot water or thinking about solar hot water vs electric hot water, working with experienced hot water SA installers like us means you get tailored advice on brands, sizing, hot water installation and hot water repair. With strong solar, a community already shifting to efficient systems and generous hot water rebate SA incentives, an energy efficient hot water system can help you cut bills, reduce emissions and future proof your home. Reach out to trusted local experts for personalised guidance on the right solution for your place in Lower Hermitage.