Hot Water Systems in Roseville
The 2069 postcode, covering Roseville, Castle Cove and Roseville Chase and surrounding areas, is home to around 5,192 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 Roseville and the 2069 area, 149 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 Roseville's climate delivering an average of 4.5 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 2069
303rd
State Wide
1189th
Australia Wide
Hot Water Installation Roseville
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 Roseville
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterRoseville
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 Roseville
Compare heat pump hot water systems suitable for Roseville'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 - Roseville, 2069
Hot Water Demographics - Roseville
Based on the Australian Bureau of Statistics 2021 Census (ABS), Roseville has around 5,192 private dwellings, home to approximately 14,114 people. With an average household size of 2.9 people, and around 50 litres of hot water used per person each day in Australia, Roseville households use approximately 145 litres of hot water daily, equating to a massive 0.8 million litres of hot water used across the suburb every single day.
Other census insights reinforce Roseville's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Roseville community is home to 1,483 couple families with children and 166 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,658 homes owned with a mortgage and 2,005 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.
Roseville is converting hot water demand to efficient systems faster than many peers, with 2.9% of dwellings already upgraded.
Hot water systems in Roseville
Across Roseville, more households are rethinking their old gas and electric hot water systems and moving to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With energy costs biting into the average weekly household income of around $3,310 and an average household size of 2.9 people, hot water is a big chunk of running costs for local families.
Roseville’s mix of 3,664 separate houses and over 1,000 flats and apartments means hot water needs vary, from large family homes with teenagers constantly in the shower to downsizers in smaller dwellings. Either way, upgrading to an energy efficient hot water system is a logical next step after rooftop solar, especially with strong local solar exposure. The Castle Cove weather station shows mean daily solar exposure of about 16.3 MJ/m², or roughly 4.5 kWh/m² per day over the year, which is ideal for both a solar hot water heating system and a high quality heat pump hot water system. For many Roseville homeowners, that translates into substantial annual hot water energy savings compared with older gas or resistive electric units.
In postcode 2069, there have already been 149 efficient hot water installations (heat pump and solar hot water) recorded, with a noticeable surge around 2009–2011 as rebates and solar grew in popularity. While numbers have been smaller in recent years, the trend towards electrification and lower running costs is returning as more people compare heat pump vs solar hot water and look for the most efficient hot water system for their home.
For a typical Roseville family of three or four, hot water can easily account for 20–30% of household energy use. That is why many locals are comparing solar hot water vs electric hot water, electric hot water vs gas hot water, and even planning solar hot water tank replacement when older systems fail. Brands like Rheem solar hot water, Rinnai solar hot water, Sanden heat pump and Thermann are commonly considered when people research the best hot water system Australia wide or the best heat pump hot water system for cooler winter mornings.
Typical annual bill savings in Roseville look like:
• Old electric to heat pump hot water system: $400–$800 per year • Gas storage to heat pump hot water system: $300–$600 per year • Gas storage to solar hot water system: $250–$600 per year • Old electric to modern electric hot water installation with rooftop solar: $300–$700 per year
Recent installs in Roseville show how interest has evolved. Efficient hot water installations peaked in 2009 with 27 systems, followed by strong years in 2010 and 2011. Since then, there has been a steady trickle of heat pump hot water installation and solar hot water installation jobs each year, including new systems in 2022 and 2024. This reflects a growing awareness of hot water system price, running costs and the benefits of moving to an energy efficient hot water system as part of an all electric home.
Hot Water Rebates, Tariffs & Savings
For Roseville homeowners, there is growing interest in replacing old gas or electric hot water with efficient options like a heat pump hot water system, a modern electric hot water system or a solar hot water system. Federal incentives such as Small-scale Technology Certificates (STCs) can reduce the upfront solar hot water price / cost or heat pump hot water price / cost, effectively discounting the system by a meaningful percentage. On top of this, NSW hot water rebate 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 you upgrade from inefficient units. Together, these hot water rebate nsw programs can cut payback times significantly, especially if you also use timers or solar diversion to run your system when your rooftop solar is generating.
When you factor in rebates, a quality Rheem heat pump hot water unit, Sanden heat pump, Chromagen solar hot water or Rinnai solar hot water system can often pay for itself in just a few years through lower bills. Many Roseville homes already have solar, so pairing solar hot water repair or solar hot water tank replacement with a system upgrade can be a smart way to future proof your property and reduce emissions.
If you live in Roseville and your current unit is old, noisy or running up big bills, now is a good time to check whether a hot water upgrade makes sense. Whether you are moving from gas to a heat pump, comparing heat pump vs solar hot water, or weighing solar hot water vs electric hot water, experienced hot water installation and hot water repair specialists can help you choose the right option for your home. With Roseville’s strong solar resource and clear appetite for sustainability, efficient hot water systems can cut costs, shrink your carbon footprint and add value. Connect with trusted local experts for personalised advice on hot water nsw solutions and find the right mix of performance, reliability and rebates for your household.