Hot Water Systems in Rosewater
The 5013 postcode, covering Rosewater, Gillman, Ottoway, Pennington, Rosewater East and Wingfield and surrounding areas, is home to around 4,399 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 Rosewater and the 5013 area, 146 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 Rosewater's climate delivering an average of 4.9 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 5013
113rd
State Wide
1210th
Australia Wide
Hot Water Installation Rosewater
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 Rosewater
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterRosewater
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 Rosewater
Compare heat pump hot water systems suitable for Rosewater'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 - Rosewater, 5013
Hot Water Demographics - Rosewater
Based on the Australian Bureau of Statistics 2021 Census (ABS), Rosewater has around 4,399 private dwellings, home to approximately 9,985 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Rosewater households use approximately 120 litres of hot water daily, equating to a massive 0.5 million litres of hot water used across the suburb every single day.
Other census insights reinforce Rosewater's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Rosewater community is home to 724 couple families with children and 261 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,513 homes owned with a mortgage and 1,067 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.
Rosewater is converting hot water demand to efficient systems faster than many peers, with 3.3% of dwellings already upgraded.
Hot water systems in Rosewater
Across Rosewater, more homeowners are rethinking their old gas and electric hot water and switching to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With an average household size of around 2.4 people and more than 4,000 dwellings in the 5013 postcode, hot water is a big chunk of local energy use – and a big opportunity for savings. Many families are juggling mortgages of about $1,441 a month or rent around $260 a week, so cutting running costs without sacrificing comfort simply makes sense.
Rosewater’s climate is ideal for efficient hot water. The Gillman Yard weather station records mean daily solar exposure of about 17.8 MJ/m², which is roughly 4.9 kWh of sunshine per square metre per day over the year. That strong solar resource helps a solar hot water heating system and a quality heat pump hot water system perform really well, especially when paired with rooftop solar. Upgrading from older gas or resistive electric units to an energy efficient hot water system can deliver substantial Annual Hot Water Energy Savings for Rosewater households, while also helping more locals move towards all‑electric homes.
In a suburb with more than 1,500 mortgaged homes and over 1,000 owned outright, long‑term investments like a new hot water system are front of mind. A typical family in a three‑bedroom home will see steady hot water demand from showers, washing and dishwashers, so choosing the most efficient hot water system is important. Brands like Rheem, Rinnai and Chromagen are common in Rosewater, with Rheem solar hot water and Rinnai solar hot water popular for roof‑mounted solar hot water installation, while Sanden heat pump units are often chosen as some of the best heat pump hot water system options on the market.
When you look at heat pump vs solar hot water, both can dramatically reduce bills compared with older systems. To give a feel for savings, here are typical annual bill reductions Rosewater households might see, depending on tariffs and usage:
• Old electric to heat pump hot water installation: about $400–$800 per year • Gas to heat pump hot water system: about $300–$600 per year • Gas to solar hot water system: about $250–$550 per year • Old electric to modern electric hot water installation with rooftop solar: about $250–$500 per year
Local hot water installation trends back this up. In the 5013 area, there have been 146 efficient hot water systems installed, including heat pump and solar hot water installations. Install numbers picked up through the 2000s, with notable years like 2003, 2005, 2009, 2010 and 2012 each seeing close to or more than a dozen installs, and more recent activity continuing through 2022–2025. This steady pattern shows growing interest in electrification, lower running costs and reliable hot water SA‑wide, with Rosewater residents keen to future‑proof their homes.
Homeowners are also looking at backup options like hot water repair and solar hot water repair rather than automatically replacing a unit, but when systems age or a solar hot water tank replacement is needed, many now choose a new energy efficient hot water system instead of like‑for‑like gas. People are weighing up solar hot water vs electric hot water, and even electric hot water vs gas hot water, particularly as more solar panels go onto local roofs and electricity gets cleaner.
Hot Water Rebates, Tariffs & Savings
In Rosewater, there is strong interest in replacing old gas or electric units with efficient options such as a heat pump hot water system, a modern electric hot water system or a solar hot water system. Federal incentives like Small‑scale Technology Certificates (STCs) reduce the upfront hot water system price, and state‑based heat pump hot water rebate and solar hot water rebate programs can further cut the heat pump hot water price or solar hot water price for eligible households. There are also electric hot water system rebate offers from time to time, which help make efficient electric hot water installation more affordable.
For many Rosewater homes, these hot water rebate SA schemes and discounts can effectively reduce the system cost by a substantial percentage, sometimes shaving thousands off the installed price. Combine that with annual bill savings of hundreds of dollars and the payback period for a quality system such as Rheem heat pump hot water, Sanden heat pump or a Chromagen solar hot water unit can be surprisingly short. Using timers or smart controls to run your electric hot water system when your solar is generating, or using solar‑diversion technology, can turn your hot water system into one of the most efficient hot water system choices available.
If you are wondering whether a solar hot water vs electric hot water upgrade is right for your Rosewater home, or simply want to know the real hot water system cost over its lifetime, it pays to speak with experienced local installers. With more Rosewater households focusing on sustainability and lower energy bills, now is a smart time to review your setup – especially if your current unit is more than 10 years old, noisy, or needing regular hot water repair. A tailored quote will factor in your roof space, tariffs, family size and whether a rheem solar hot water, rinnai solar hot water, sanden heat pump or other option is the best hot water system Australia can offer for your situation.
If you live in Rosewater and your hot water system is getting tired, leaking or simply costing too much to run, it is a good time to check whether your home is ready for a hot water upgrade. Switching from gas or an old electric unit to a heat pump hot water system or solar hot water heating system can cut bills, reduce emissions and make the most of Rosewater’s strong sunshine. Talk with our trusted local hot water SA specialists for personalised advice on hot water installation, hot water repair, heat pump hot water installation, solar hot water installation or solar hot water tank replacement, and discover how the right energy efficient hot water system can future‑proof your home. Contact us today to explore your options and tap into the latest hot water rebate SA programs.