Hot Water Systems in Parramatta
The 2150 postcode, covering Parramatta, Harris Park and Parramatta Westfield and surrounding areas, is home to around 15,639 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 Parramatta and the 2150 area, 48 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 Parramatta'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 2150
463rd
State Wide
1759th
Australia Wide
Hot Water Installation Parramatta
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 Parramatta
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterParramatta
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 Parramatta
Compare heat pump hot water systems suitable for Parramatta'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 - Parramatta, 2150
Hot Water Demographics - Parramatta
Based on the Australian Bureau of Statistics 2021 Census (ABS), Parramatta has around 15,639 private dwellings, home to approximately 32,816 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Parramatta households use approximately 120 litres of hot water daily, equating to a massive 1.9 million litres of hot water used across the suburb every single day.
Other census insights reinforce Parramatta's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Parramatta community is home to 3,439 couple families with children and 402 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,400 homes owned with a mortgage and 1,301 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.
Parramatta is converting hot water demand to efficient systems faster than many peers, with 0.3% of dwellings already upgraded.
Hot water systems in Parramatta
Across Parramatta, more homeowners and landlords are rethinking their hot water system as power prices climb and apartments keep going up. With an average household size of around 2.4 people and more than 13,600 occupied dwellings, reliable, efficient hot water is a must for busy families and shared units alike. Many properties still run 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 for cutting bills and emissions.
Parramatta’s climate is well suited to efficient hot water. The local Westmead weather station records mean daily solar exposure of about 16.2 MJ/m², or roughly 4.5 kWh/m² per day across the year. That strong sunlight helps a solar hot water heating system perform well and also boosts the efficiency of a heat pump hot water system, especially when paired with rooftop solar. With median household income over $2,000 a week but high rents and mortgages, many residents are looking for long‑term savings from a more energy efficient hot water system rather than another bill shock.
In the 2150 postcode, most dwellings are flats and apartments, with more than 11,600 units and a large share of rented homes. That means careful planning for hot water installation, including compact systems and smart tariffs. Hot water energy use can easily be one of the largest single loads in a home, so choosing the most efficient hot water system can make a noticeable dent in overall electricity use. Brands like Rheem heat pump hot water and Sanden heat pump units are popular with households chasing maximum efficiency, while Rinnai solar hot water and Chromagen solar hot water options suit homes with good roof space and sun.
Here are typical annual bill savings Parramatta households might see when they upgrade:
• Old electric to heat pump hot water system: save roughly $400–$800 per year • Gas to heat pump hot water system: save around $300–$600 per year • Gas to solar hot water system: save about $250–$500 per year • Old electric to modern electric hot water system with rooftop solar: save around $250–$500 per year
Recent data shows 48 efficient hot water systems installed in Parramatta, combining heat pump hot water installation and solar hot water installation. Installations spiked around 2009–2010 and have continued steadily, with new systems going in most years right through to 2024. This steady growth reflects the local shift towards electrification, lower running costs and moving away from gas hot water, particularly in newer apartments and renovated family homes.
When comparing heat pump vs solar hot water, it often comes down to roof space, budget and how much sun your roof gets. A heat pump hot water price / cost can be similar to a quality solar hot water price / cost once rebates are applied, and both can be far cheaper to run than a basic electric hot water system. For some compact sites, a modern electric hot water installation combined with rooftop solar and timers can still stack up well. Many Parramatta homes use trusted brands such as Rheem solar hot water, Rinnai solar hot water and Sanden heat pump units to balance efficiency, reliability and hot water system price.
Hot Water Rebates, Tariffs & Savings
Across Parramatta NSW there is growing interest in replacing old gas or electric hot water with efficient options. Homeowners can often tap into Federal Small‑scale Technology Certificates (STCs) plus NSW heat pump hot water rebate programs and solar hot water rebate support, which together can effectively knock a substantial percentage off the upfront heat pump hot water cost or solar hot water cost. In some cases, an electric hot water system rebate may also apply when switching away from gas. With typical savings of hundreds of dollars per year on bills, payback periods can shorten dramatically, especially if you also use timers or solar diversion to run your system when rooftop solar is generating. Choosing the right tariff for hot water NSW households can further reduce running costs and make an energy efficient hot water system even more attractive.
If you are wondering whether to choose solar hot water vs electric hot water, or comparing the best heat pump hot water system options, it helps to look at your roof, your bills and your future plans. Many locals aim for an all‑electric home that is ready for more solar and lower emissions. Whether you need hot water repair, solar hot water repair, solar hot water tank replacement or a full hot water installation, working with experienced Parramatta specialists means you get clear advice on the best hot water system Australia has to offer for your situation. When your old gas unit is nearing the end, or your electric system is costing a fortune, it is a smart time to check if your home is ready for a hot water upgrade. Talk with trusted local hot water repair and installation experts for personalised guidance on rebates, sizing and the right mix of comfort, efficiency and long‑term savings.