Hot Water Systems in Modbury
The 5092 postcode, covering Modbury, Modbury North Dc, Modbury Heights 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 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'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
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
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterModbury
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
Compare heat pump hot water systems suitable for Modbury'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, 5092
Hot Water Demographics - Modbury
Based on the Australian Bureau of Statistics 2021 Census (ABS), Modbury 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 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's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Modbury 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 is converting hot water demand to efficient systems faster than many peers, with 3.9% of dwellings already upgraded.
Hot water systems in Modbury
Across Modbury, more households are swapping old gas and power‑hungry units for modern, energy efficient hot water systems. With an average household size of around 2.5 people and more than 6,000 separate houses across 5092, there’s strong demand for reliable hot water that doesn’t send bills through the roof. Many families are juggling mortgages of about $1,471 a month and weekly household incomes around $1,492, so reducing running costs with a smarter hot water system is an easy win.
Modbury’s sunny climate is ideal for both a heat pump hot water system and a solar hot water system. The local Valley View weather station records about 17.3 MJ/m² of solar exposure annually – roughly 4.8 kWh/m² per day – which is excellent for a solar hot water heating system and helps heat pumps run more efficiently too. When you upgrade from an older gas or electric hot water system to an energy efficient hot water system, it’s common to cut your hot water energy use by more than half, delivering substantial Annual Hot Water Energy Savings for Modbury homeowners.
A lot of Modbury homes are owned outright or with a mortgage, which makes planning a hot water installation or hot water replacement easier. At the same time, more than 1,500 dwellings are rented, so landlords are also starting to look at the best hot water system Australia can offer to keep properties attractive and running costs down. Brands like Rheem, Rinnai, Sanden and Thermann are popular locally, with options ranging from rheem solar hot water and rinnai solar hot water through to premium sanden heat pump and rheem heat pump hot water units.
For a typical 3–4 person household, a modern heat pump hot water system or solar hot water system can comfortably meet demand while slashing energy use compared to an older electric hot water system or gas storage unit. In Modbury 5092, efficient hot water systems are steadily replacing older setups, with around 286 heat pump and solar hot water installations recorded so far. Over the years, solar hot water installation peaked around 2008–2010, and there’s been a steady trickle of heat pump hot water installation since, showing ongoing interest in electrification and lower running costs.
To give a feel for savings, here are typical annual bill reductions many Modbury homes can see when they upgrade:
• Old electric to heat pump: $350–$700 per year • Gas to heat pump: $250–$600 per year • Gas to solar hot water: $250–$600 per year • Old electric to modern electric with rooftop solar: $200–$500 per year
When comparing heat pump vs solar hot water, both can be the most efficient hot water system for different homes. A heat pump hot water system price / cost is usually lower upfront than a full solar hot water installation, and it works well even on cloudy days. A solar hot water price / cost can be higher initially but offers excellent long‑term savings, especially if you already have solar PV. Many Modbury households pair a sanden heat pump or similar best heat pump hot water system with rooftop solar and a timer, so the unit runs when solar is strongest.
Hot Water Rebates, Tariffs & Savings
In Modbury SA, interest is growing in replacing old gas or electric hot water with efficient options like heat pumps, solar hot water and modern electric hot water installation. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water systems, effectively acting as an upfront discount off the hot water system price / cost. On top of that, South Australian programmes and retailer offers can provide a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate on certain models, helping cut the heat pump hot water price / cost significantly.
For many Modbury homes, these hot water rebate SA incentives can reduce the installed cost by a substantial percentage. That means payback periods for a solar hot water vs electric hot water or electric hot water vs gas hot water upgrade can drop to just a few years, especially if you already have solar PV. Using timers or solar‑diversion controls to run your electric hot water system or heat pump during the middle of the day can boost savings even further.
If your current unit is leaking, more than 10 years old or you’re facing a solar hot water tank replacement or ongoing hot water repair bills, it’s a good time to review your options. Whether you’re leaning towards a rheem solar hot water system, rinnai solar hot water, a sanden heat pump or another energy efficient hot water system, choosing the right size and tariff is crucial. Local hot water repair and solar hot water repair specialists in Modbury understand how hot water SA tariffs, solar exposure and family size all interact.
Thinking about a hot water upgrade in Modbury? Whether you’re moving away from gas or replacing an old electric unit, now is a smart time to explore a heat pump hot water system, solar hot water system or efficient electric hot water system with us. Talk to experienced hot water installers who know Modbury’s homes, rebates and tariffs, and get personalised advice to cut bills, reduce emissions and future‑proof your place with trusted local experts.