Hot Water Systems in Barrack Heights
The 2528 postcode, covering Barrack Heights, Barrack Point, Lake Illawarra, Mount Warrigal, Warilla and Windang and surrounding areas, is home to around 10,106 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 Barrack Heights and the 2528 area, 814 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 Barrack Heights'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 2528
82nd
State Wide
370th
Australia Wide
Hot Water Installation Barrack 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 Barrack Heights
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterBarrack 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 Barrack Heights
Compare heat pump hot water systems suitable for Barrack 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 - Barrack Heights, 2528
Hot Water Demographics - Barrack Heights
Based on the Australian Bureau of Statistics 2021 Census (ABS), Barrack Heights has around 10,106 private dwellings, home to approximately 22,272 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Barrack Heights households use approximately 120 litres of hot water daily, equating to a massive 1.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Barrack Heights's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Barrack Heights community is home to 1,367 couple families with children and 764 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,351 homes owned with a mortgage and 3,577 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.
Barrack Heights is converting hot water demand to efficient systems faster than many peers, with 8.1% of dwellings already upgraded.
Hot water systems in Barrack Heights
Across Barrack Heights, more homeowners are swapping old gas and ageing electric units for an energy efficient hot water system that actually suits how they live. With around 9,400 dwellings in the 2528 postcode and an average household size of 2.4 people, hot showers, dishwashers and washing machines add up. Power prices keep climbing, so upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is becoming the logical next step.
Barrack Heights enjoys strong sunshine, with average solar exposure of about 16 MJ/m² a day – roughly 4.4 kWh/m² – over the year. That makes a solar hot water heating system or heat pump hot water installation a smart fit, especially for the many separate houses that own outright or with a mortgage. For families on a median household income of about $1,166 a week, the annual hot water energy savings from moving away from old resistive electric or gas can make a real difference to the budget.
In the 2528 area, efficient hot water is steadily replacing older systems. Many three‑ and four‑bedroom homes run showers, baths and laundry for kids and grandkids, so hot water energy use can be one of the biggest chunks of the power bill. Choosing between heat pump vs solar hot water, or solar hot water vs electric hot water, comes down to roof space, budget, and whether you already have solar panels. Popular brands locally include Rheem heat pump hot water units, Rheem solar hot water, Rinnai solar hot water and premium options like Sanden heat pump systems, all aimed at delivering the most efficient hot water system for local conditions.
Typical savings when you upgrade are substantial:
• Old electric to heat pump hot water system: save around $350–$700 per year. • Gas to heat pump: save roughly $250–$600 per year. • Gas to solar hot water system: save about $250–$550 per year. • Old electric to modern electric hot water installation with rooftop solar: save $300–$650 per year.
These ranges will vary with household size and tariffs, but they give a fair idea of what is possible in Barrack Heights NSW.
Efficient hot water has been on the radar here for years. There have already been 814 efficient hot water installations (heat pump and solar hot water installation combined) recorded in the postcode. Install numbers peaked around the big rebate years – 212 systems in 2009 and 169 in 2010 – and while annual numbers have eased since, there is still a steady trickle of upgrades every year, including new installs in 2024 and 2025. This shows ongoing local interest in electrification, lower running costs and future‑proofing homes with an energy efficient hot water system rather than sticking with gas.
Hot Water Rebates, Tariffs & Savings
Across Barrack Heights, more people are asking whether to choose the best heat pump hot water system or a quality solar hot water system when their old unit fails. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of this, state‑based hot water rebate NSW programs may offer a heat pump hot water rebate, solar hot water rebate or electric hot water system rebate when you replace an inefficient electric or gas unit. Together, these hot water rebate NSW schemes can cut the upfront hot water system price / cost by a significant percentage and shorten payback to just a few years, especially if you run the system during the day on solar. Simple tricks like timers or solar diversion controls can push savings even further and help deliver truly energy efficient hot water.
If your existing unit is leaking, you need hot water repair, or you are thinking about a solar hot water tank replacement, it is a good time to compare options like Chromagen solar hot water, Rinnai solar hot water, Rheem solar hot water or a Sanden heat pump. Local installers can also guide you on solar hot water repair, hot water system cost, electric hot water vs gas hot water, and which setup is the best hot water system Australia has to offer for your style of home.
If you live in Barrack Heights and your hot water system is getting old, now is a smart time to see whether a heat pump hot water system, solar hot water heating system or modern electric hot water installation could work for you. With solid solar resources, a strong interest in sustainability and generous rebates on offer, efficient hot water can cut bills, reduce emissions and make your home more comfortable. Talk with our experienced hot water installation and hot water repair specialists in Barrack Heights for personalised advice, clear pricing and a system that will serve your household well for years.
Nearby Suburbs
See Also
- Learn more about solar power in Barrack Heights
- Learn more about solar batteries in Barrack Heights
- Learn more about using split systems for heating in Barrack Heights
- Learn more about air-conditioning in Barrack Heights
- Hot water in Yellow Rock, NSW
- Using efficient hot water systems in Barrack Point, NSW
