Hot Water Systems in Modbury Heights
The 5092 postcode, covering Modbury Heights, Modbury North Dc, Modbury and Modbury North and surrounding areas, is home to around 7,323 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 Modbury Heights and the 5092 area, 286 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 Modbury Heights'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 5092
47th
State Wide
830th
Australia Wide
Hot Water Installation Modbury Heights
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 Modbury Heights
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterModbury Heights
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 Modbury Heights
Compare heat pump hot water systems suitable for Modbury Heights'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 - Modbury Heights, 5092
Hot Water Demographics - Modbury Heights
Based on the Australian Bureau of Statistics 2021 Census (ABS), Modbury Heights has around 7,323 private dwellings, home to approximately 17,512 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Modbury Heights households use approximately 125 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 Modbury Heights's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Modbury Heights community is home to 1,486 couple families with children and 386 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,864 homes owned with a mortgage and 2,387 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.
Modbury Heights is converting hot water demand to efficient systems faster than many peers, with 3.9% of dwellings already upgraded.
Hot water systems in Modbury Heights
In Modbury Heights, more households are rethinking their hot water system as power prices rise and older units wear out. With an average household size of about 2.5 people and more than 6,000 separate houses across 5092, reliable, energy efficient hot water is a must. Many homes are still on older gas or electric hot water, so upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step.
Our local solar exposure is a real advantage. Ridgehaven’s long-term average of 17.2 MJ/m² of sunshine a day – roughly 4.8 kWh/m² – means a solar hot water heating system or high quality heat pump hot water installation can perform very well here. For Modbury Heights families juggling a median mortgage of around $1,471 a month and typical household income near $1,500 a week, cutting hot water running costs without sacrificing comfort just makes sense. Many of the 2,387 homes owned outright and 2,864 with a mortgage are now looking at hot water installation as part of a broader move to more efficient, all‑electric homes.
Across 5092, efficient systems like heat pump hot water and solar hot water are steadily replacing older units. Hot water can be 20–30% of a home’s energy use, so swapping an old electric hot water system or gas unit can deliver noticeable savings. Brands such as Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and Sanden heat pump units are common choices for those chasing the most efficient hot water system, while Chromagen solar hot water and other options suit homes with good roof space and daytime usage.
Typical annual bill savings in Modbury Heights look like this:
• Old electric to heat pump hot water system: save about $400–$800 per year • Gas to heat pump hot water: save roughly $300–$600 per year • Gas to solar hot water system: save around $250–$550 per year • Old electric to modern electric hot water installation with rooftop solar: save about $250–$500 per year
Since 2001, around 286 efficient hot water systems have been installed across the 5092 postcode, including both heat pump and solar hot water installation projects. Installations peaked around 2008–2010, with strong years again in 2013 and 2015, and there has been steady activity through to 2025. This trend shows growing local interest in electrification, lower running costs and cleaner hot water sa homes can rely on, supported by expert hot water repair and replacement services.
Even if your current unit is still limping along, more Modbury Heights owners are choosing to replace old gas or electric units before they fail, taking advantage of hot water rebate SA programs. Federal incentives through Small‑scale Technology Certificates (STCs) apply to eligible solar hot water and heat pump systems, effectively reducing the upfront hot water system price or cost. On top of that, state‑based heat pump hot water rebate and solar hot water rebate offers can trim thousands off a quality installation, bringing the heat pump hot water price or cost or solar hot water price or cost well within reach. There are also electric hot water system rebate options in some programs, helping people shift from gas. With the right setup, solar hot water vs electric hot water, or heat pump vs solar hot water, becomes less about whether you save and more about which option suits your roof, budget and tariff.
For many homes in Modbury Heights, combining an energy efficient hot water system with rooftop solar, timers or solar‑diversion controls can cut payback times dramatically. Using your own solar to run a heat pump or efficient electric unit during the day means less grid power, lower bills and fewer emissions. When you factor in solar hot water tank replacement at the end of life, it can be the perfect moment to step up to the best hot water system Australia has to offer for your situation, whether that is the best heat pump hot water system, a quality solar hot water heating system, or a simple but efficient electric hot water vs gas hot water switch.
If your hot water has seen better days, or you are curious about solar hot water vs electric hot water for your Modbury Heights home, now is a smart time to explore your options. Talk with experienced local hot water installers like us who specialise in heat pump hot water installation, solar hot water repair, solar hot water installation and fast, tidy electric hot water installation. With strong local sunshine, a community that cares about bills and comfort, and generous hot water rebate SA incentives, upgrading to an energy efficient hot water system can help reduce costs, cut emissions and future‑proof your home. Reach out for personalised advice on hot water repair, replacement and upgrades tailored to Modbury Heights and discover how much you could save.