Hot Water Systems in Kirrawee
The 2232 postcode, covering Kirrawee, Kirrawee Dc, Audley, Bonnie Vale, Garie, Goarra, Grays Point, Jibbon, Kareela, Loftus, Marley, Palona, Sutherland, Uloola, Warumbul, Wattamolla, Woronora and Yenabilli and surrounding areas, is home to around 14,498 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 Kirrawee and the 2232 area, 851 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 Kirrawee's climate delivering an average of 4.6 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 2232
77th
State Wide
350th
Australia Wide
Hot Water Installation Kirrawee
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 Kirrawee
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKirrawee
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 Kirrawee
Compare heat pump hot water systems suitable for Kirrawee'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 - Kirrawee, 2232
Hot Water Demographics - Kirrawee
Based on the Australian Bureau of Statistics 2021 Census (ABS), Kirrawee has around 14,498 private dwellings, home to approximately 33,666 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Kirrawee households use approximately 125 litres of hot water daily, equating to a massive 1.8 million litres of hot water used across the suburb every single day.
Other census insights reinforce Kirrawee's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Kirrawee community is home to 3,180 couple families with children and 606 one-parent families, meaning a large proportion of households face substantial hot water demand. With 5,176 homes owned with a mortgage and 4,240 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.
Kirrawee is converting hot water demand to efficient systems faster than many peers, with 5.9% of dwellings already upgraded.
Hot water systems in Kirrawee
Across Kirrawee and the 2232 postcode, more locals are swapping old gas and ageing electric units for an energy efficient hot water system that keeps bills down and showers hot. With an average household size of around 2.5 people and more than 13,500 dwellings, hot water is a big chunk of energy use here, especially for families and busy households. Median household incomes are solid, but with mortgages and rents not exactly cheap, it makes sense that homeowners are looking for smarter ways to save on running costs.
Kirrawee is well suited to efficient hot water upgrades. Nearby Miranda records mean daily solar exposure of about 16.5 MJ/m², which is roughly 4.6 kWh/m² per day, giving a strong base for a solar hot water system or a modern heat pump hot water system to perform well. When you upgrade from an older gas or resistive electric hot water system to a heat pump or solar hot water heating system, it is common to cut your hot water energy use by well over half, which translates to meaningful annual hot water energy savings for local homes.
In 2232 there is a mix of separate houses and a large number of apartments and townhouses, so the best hot water system Australia for one home may not suit the next. Smaller units might lean towards a compact electric hot water system or a high efficiency heat pump, while larger family homes often look at a roof-mounted solar hot water system with a ground tank. Brands like Rheem solar hot water, Rinnai solar hot water, Sanden heat pump and Thermann are all popular choices in the Shire for reliable, efficient hot water installation and replacement.
Average hot water demand in Kirrawee tracks closely with typical Sydney households, and hot water can be 20–30% of total energy use. That is why many locals are weighing up heat pump vs solar hot water, or even solar hot water vs electric hot water boosted by rooftop solar. To give a feel for savings, here are some realistic ranges for annual bill reductions when you upgrade your hot water nsw system:
• 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 roughly $250–$550 per year. • Old electric to modern electric hot water system with solar: save about $250–$500 per year.
Over the years, Kirrawee and the broader 2232 area have seen 851 efficient hot water installations, mainly heat pump and solar hot water installation projects. Installations peaked around 2009–2011, when annual numbers topped 160 systems in a single year, and while volumes have eased back, there is steady ongoing interest, with new systems going in every year through to 2024 and beyond. This trend reflects a growing local focus on electrification, lower running costs and moving away from gas hot water towards the most efficient hot water system each site can support.
Hot Water Rebates, Tariffs & Savings
For homeowners in Kirrawee, there is strong interest in replacing old gas or electric hot water with efficient options like a quality heat pump hot water installation, solar hot water installation or a new electric hot water installation paired with rooftop solar. Federal incentives such as Small-scale Technology Certificates (STCs) apply to eligible systems, effectively acting as a solar hot water rebate or heat pump hot water rebate that reduces the upfront solar hot water price / cost or heat pump hot water price / cost. NSW-based schemes and occasional electric hot water system rebate offers can further cut the hot water system price / cost, especially when moving from gas to an energy efficient hot water system.
When you combine rebates, a good heat pump or solar hot water system and sensible controls like timers or solar diversion, payback periods can shrink to just a few years, with typical savings running into hundreds of dollars a year. Many households find that a well sized Rheem heat pump hot water system, Sanden heat pump or similar best heat pump hot water system can comfortably supply their needs while using a fraction of the energy of old units. If you already have solar, diverting excess generation into your hot water nsw system can improve returns even further.
If your current unit is ageing, unreliable or you are simply curious about electric hot water vs gas hot water, solar hot water vs electric hot water, or whether a solar hot water tank replacement or solar hot water repair is worthwhile, it is a good time to look at options. From Chromagen solar hot water style systems through to robust electric units and premium Sanden or Rheem heat pumps, there is a solution for almost every Kirrawee home.
If you are in Kirrawee and wondering whether your place is ready for a hot water upgrade, now is a smart time to explore your options. A modern heat pump or solar hot water system, installed by experienced local hot water installers, can cut bills, reduce emissions and future proof your home as energy prices rise. Talk with trusted local experts for personalised advice on hot water repair, solar hot water repair, solar hot water tank replacement and efficient new systems, and make the most of Kirrawee’s strong solar exposure and growing focus on sustainability.