Hot Water Systems in Kogarah
The 2217 postcode, covering Kogarah, Beverley Park, Kogarah Bay, Monterey, Ramsgate and Ramsgate Beach and surrounding areas, is home to around 11,792 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 Kogarah and the 2217 area, 161 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 Kogarah'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 2217
291st
State Wide
1143rd
Australia Wide
Hot Water Installation Kogarah
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 Kogarah
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKogarah
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 Kogarah
Compare heat pump hot water systems suitable for Kogarah'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 - Kogarah, 2217
Hot Water Demographics - Kogarah
Based on the Australian Bureau of Statistics 2021 Census (ABS), Kogarah has around 11,792 private dwellings, home to approximately 26,897 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Kogarah households use approximately 125 litres of hot water daily, equating to a massive 1.5 million litres of hot water used across the suburb every single day.
Other census insights reinforce Kogarah's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Kogarah community is home to 2,351 couple families with children and 397 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,043 homes owned with a mortgage and 3,082 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.
Kogarah is converting hot water demand to efficient systems faster than many peers, with 1.4% of dwellings already upgraded.
Hot water systems in Kogarah
In Kogarah, hot water is a big chunk of the power bill, so more locals are looking at an energy efficient hot water system instead of sticking with old gas or storage units. With a median household income around $1,900 a week and an average household size of 2.5 people, many families and apartment dwellers are keen to tame rising energy costs and future‑proof their homes. Upgrading from older gas or electric hot water to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step, especially with annual hot water energy savings now stacking up for Kogarah homeowners.
Kogarah’s climate is well suited to efficient hot water. The local Sans Souci weather station records an average annual solar exposure of about 16.5 MJ/m² per day, or roughly 4.6 kWh/m²/day, which is strong support for both a solar hot water heating system and high‑performance heat pump hot water. With more than 10,600 occupied dwellings and a high proportion of units and townhouses, there is steady demand for compact, quiet systems that still deliver reliable hot water NSW families can count on. Many owners paying sizeable mortgages or $460 a week in rent are now weighing up heat pump vs solar hot water, and even solar hot water vs electric hot water, to cut running costs without sacrificing comfort.
Across 2217, efficient hot water installations have been building over time. There have been 161 efficient hot water systems installed, combining heat pump hot water installation and solar hot water installation. Installations peaked around 2009, and while numbers have been smaller in recent years, interest is rising again as households look to electrify and move away from gas. These trends reflect a broader shift towards the most efficient hot water system options, pairing rooftop solar with smart hot water installation choices.
For a typical Kogarah home, hot water can be 20–30% of total energy use, so choosing the best hot water system Australia offers for your situation really matters. Brands like Rheem, Rinnai, Sanden and Thermann are common locally, with options ranging from rheem solar hot water and rinnai solar hot water through to sanden heat pump and rheem heat pump hot water units. Many households are replacing ageing cylinders with an energy efficient hot water system that works with solar, or choosing a modern electric hot water system as part of an all‑electric home. When a solar hot water tank replacement is needed, it can be a good time to compare heat pump hot water price / cost with solar hot water price / cost and electric hot water installation.
Average annual bill savings in Kogarah typically look like: • Old electric to heat pump hot water system: $350–$700 per year • Gas to heat pump hot water: $250–$600 per year • Gas to solar hot water system: $250–$550 per year • Old electric to modern electric hot water with rooftop solar: $200–$500 per year
There is also solid support from government incentives. Federal Small‑scale Technology Certificates (STCs) help cut the upfront hot water system price / cost for approved solar hot water systems and heat pump units. On top of that, NSW programmes can offer a heat pump hot water rebate or solar hot water rebate for eligible households, and there are schemes that effectively act as an electric hot water system rebate when switching away from gas. For Kogarah homeowners, these hot water rebate NSW options can reduce the installed heat pump hot water cost or solar hot water cost by a substantial percentage, shortening payback times to just a few years in many cases. Using timers or solar‑diversion controls to run your hot water system when rooftop solar is generating can boost savings even further.
If you are comparing electric hot water vs gas hot water or heat pump vs solar hot water for your place in Kogarah, now is a smart time to review your options. Whether you need hot water repair, solar hot water repair, a full solar hot water installation, or a straight swap to a new electric or heat pump unit, working with experienced hot water installers and heat pump and solar hot water specialists is essential. With Kogarah’s strong solar resource and growing focus on sustainability, an efficient hot water upgrade can help reduce bills, cut emissions and future‑proof your home. Connect with trusted local experts for personalised advice on the best heat pump hot water system or solar hot water heating system for your property, and see how much you could save.