Hot Water Systems in Kew
The 2439 postcode, covering Kew, Batar Creek, Black Creek, Bobs Creek, Herons Creek, Kendall, Kerewong, Logans Crossing, Lorne, Rossglen, Swans Crossing and Upsalls Creek and surrounding areas, is home to around 1,694 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 Kew and the 2439 area, 453 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 Kew's climate delivering an average of 4.7 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 2439
143rd
State Wide
617th
Australia Wide
Hot Water Installation Kew
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 Kew
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKew
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.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for Kew
Compare heat pump hot water systems suitable for Kew'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 - Kew, 2439
Hot Water Demographics - Kew
Based on the Australian Bureau of Statistics 2021 Census (ABS), Kew has around 1,694 private dwellings, home to approximately 3,864 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Kew households use approximately 120 litres of hot water daily, equating to a massive 0.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Kew's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Kew community is home to 233 couple families with children and 80 one-parent families, meaning a large proportion of households face substantial hot water demand. With 432 homes owned with a mortgage and 826 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.
Kew is converting hot water demand to efficient systems faster than many peers, with 26.7% of dwellings already upgraded.
Hot water systems in Kew
Across Kew, NSW 2439, more locals are rethinking their old gas and electric hot water system and switching to smarter, energy efficient options. With an average household size of 2.4 people and many three– and four–bedroom homes, hot water demand is steady year‑round. Power prices keep rising, and with around 826 homes owned outright and another 432 paying a mortgage, 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.
Kew’s climate is well suited to efficient hot water. Nearby Kendall Forestry records strong sunshine, with mean daily solar exposure of about 16.9 MJ/m² – roughly 4.7 kWh/m² per day over the year. That level of solar energy supports both heat pump hot water and a solar hot water heating system, especially when paired with rooftop solar. For many households, hot water is one of the biggest energy users, so shifting from older gas or resistive electric units to the most efficient hot water system can deliver meaningful annual hot water energy savings.
In a postcode with 1,566 occupied private dwellings and a median household income of around $1,242 per week, reliability and running costs matter. Families and retirees alike are looking at heat pump vs solar hot water, or solar hot water vs electric hot water, to see what best suits their roof, budget and lifestyle. Brands like Rheem solar hot water, Rinnai solar hot water, Chromagen solar hot water and premium Sanden heat pump units are all seen locally, from compact systems for smaller homes to larger setups for busy family households.
Average hot water system price or cost will vary with size and technology, but the bill savings can be substantial. Typical annual bill savings in Kew might look like:
• Replacing an old electric hot water system with a heat pump hot water system: $400–$800 per year • Switching from gas hot water to a heat pump hot water system: $300–$600 per year • Switching from gas to a solar hot water system: $250–$600 per year • Upgrading an old electric unit to a modern electric hot water system running on solar: $250–$500 per year
Efficient hot water is not new to the area. In the 2439 postcode there have already been 453 efficient hot water installations, including heat pump hot water installation and solar hot water installation projects. Installations climbed sharply around 2008–2010, peaking in 2009 with 56 systems installed as early rebates kicked in. There was another solid year in 2016 with 42 installs, and while numbers have eased since, there is still steady interest with installations recorded every year through to 2025. This long‑term trend shows growing local confidence in electrification, lower running costs and cleaner hot water.
Hot Water Rebates, Tariffs & Savings
Homeowners in Kew are increasingly comparing electric hot water vs gas hot water and looking at options like a new electric hot water installation, a solar hot water tank replacement or a full switch to heat pump hot water. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as an upfront discount. On top of that, NSW hot water rebate programs and schemes that support efficient upgrades can further reduce the heat pump hot water price or cost, the solar hot water price or cost, or even the cost of a compliant electric hot water installation.
For many Kew homes, these incentives can cut the installed hot water system price by a significant percentage and shorten payback to just a few years, especially when paired with rooftop solar and smart timers or solar‑diversion controls. A well‑chosen energy efficient hot water system can trim hundreds of dollars off annual bills, while hot water rebate nsw programs help make the numbers stack up from day one. There are also options for an electric hot water system rebate in some circumstances, encouraging a shift away from gas.
If your current unit is leaking, unreliable or simply old and expensive to run, it may be time to explore the best hot water system Australia can offer for your style of home. Whether you are considering rheem heat pump hot water, a sanden heat pump, rinnai solar hot water, chromagen solar hot water or another of the best heat pump hot water system options, it pays to get tailored advice. Experienced local installers can also help with hot water repair, solar hot water repair and ongoing maintenance so your system keeps performing.
Kew’s strong solar resource, high rate of home ownership and growing interest in sustainability make it an ideal spot to upgrade to an energy efficient hot water system. To see if your place is ready for a hot water upgrade – from gas or an old electric unit to a modern heat pump or solar hot water system – have a chat with trusted local hot water nsw specialists. With the right design, hot water installation and access to current hot water rebate nsw incentives, you can cut bills, reduce emissions and future‑proof your home’s hot water. Connect with our experienced local team for personalised advice and a clear, no‑nonsense quote tailored to your Kew property.