Hot Water Systems in Kogarah Bay
The 2217 postcode, covering Kogarah Bay, Beverley Park, Kogarah, 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 Bay 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 Bay'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 Bay
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 Bay
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKogarah Bay
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 Kogarah Bay
Compare heat pump hot water systems suitable for Kogarah Bay'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 Bay, 2217
Hot Water Demographics - Kogarah Bay
Based on the Australian Bureau of Statistics 2021 Census (ABS), Kogarah Bay 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 Bay 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 Bay's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Kogarah Bay 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 Bay is converting hot water demand to efficient systems faster than many peers, with 1.4% of dwellings already upgraded.
Hot water systems in Kogarah Bay
Across Kogarah Bay, more households are rethinking their hot water system and moving away from old gas or power‑hungry electric units. With energy prices biting and many families juggling mortgages around $2,333 a month and rents near $460 a week, it makes sense to look at a more energy efficient hot water system that cuts bills without sacrificing comfort.
Kogarah Bay and the wider 2217 area enjoy strong sunshine, with average solar exposure of about 16.5 MJ/m² a day – roughly 4.6 kWh/m² of solar energy. That is ideal for a solar hot water system or heat pump hot water system, especially in a suburb where the average household size is 2.5 people and there are more than 10,600 dwellings. For many homeowners who own outright or with a mortgage (over 6,000 households), upgrading from older gas or electric hot water to a modern heat pump or solar hot water heating system is a logical next step to lock in long‑term savings. Annual hot water energy savings can easily reach hundreds of dollars a year for a typical Kogarah Bay family.
In 2217 there is a mix of separate houses and a large number of apartments, so the best hot water system Australia has to offer will look different for each property. Heat pump hot water installation is popular where outdoor space is tight, while a rooftop solar hot water installation can be perfect for houses with good north‑facing roof area. Modern electric hot water installation paired with rooftop solar is also becoming more common as people compare electric hot water vs gas hot water and aim for an all‑electric home.
Local data shows 161 efficient hot water systems have already been installed in this postcode, combining heat pump and solar hot water systems. Installations peaked around 2009, when 43 systems went in, and there has been steady interest ever since, with new installs each year through to 2025. This trend reflects growing awareness of heat pump vs solar hot water options, lower running costs, and a desire to reduce emissions without giving up reliable hot water NSW families depend on.
Typical bill savings for Kogarah Bay homes can look like this:
• Old electric to heat pump hot water system: save about $350–$700 a year • Gas to heat pump hot water: save around $250–$600 a year • Gas to solar hot water system: save roughly $250–$650 a year • Old electric to modern electric hot water system with solar: save about $300–$650 a year
Brands like Rheem, Rinnai, Sanden and Thermann are common locally, offering everything from rheem solar hot water and rheem heat pump hot water, through to rinnai solar hot water and premium sanden heat pump units. Many of these are designed to be the most efficient hot water system possible for our climate, with quiet operation, fast recovery and smart controls that work well with rooftop solar. For homes with ageing tanks, a solar hot water tank replacement or heat pump swap‑over can often use existing plumbing, keeping the hot water system price / cost reasonable.
Hot Water Rebates, Tariffs & Savings
Across Kogarah Bay there is strong interest in replacing older gas or electric hot water with efficient options like heat pump hot water, updated electric hot water system models and solar hot water. Homeowners can usually access Federal incentives in the form of Small‑scale Technology Certificates (STCs), which effectively act as an upfront discount on systems like a solar hot water heating system or heat pump. On top of that, NSW programmes and retailer offers may provide a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate in some cases.
These hot water rebate NSW options can significantly reduce the heat pump hot water price / cost or solar hot water price / cost, sometimes cutting the out‑of‑pocket hot water system price / cost by a substantial percentage. When you combine rebates with rooftop solar and smart controls such as timers or solar diversion, many Kogarah Bay households see payback periods shorten to just a few years, with ongoing savings of hundreds of dollars a year. Over the life of the system, that is thousands of dollars kept in your pocket instead of going to your retailer, especially when you choose the best heat pump hot water system or an energy efficient hot water system tailored to your home.
If your current unit is leaking, unreliable, or simply old, now is a good time to compare solar hot water vs electric hot water and look at options like chromagen solar hot water, rheem solar hot water, or a quality sanden heat pump. Whether you need hot water installation in a family home or hot water repair for an investment property, working with experienced local specialists means your solar hot water repair, solar hot water tank replacement, heat pump hot water installation or electric hot water installation is sized correctly and set up for low running costs.
If you live in Kogarah Bay and are wondering whether to stick with gas or move to an efficient electric or solar hot water system, it is worth checking if your home is ready for a hot water upgrade. With strong local solar, solid household incomes and growing interest in sustainability, efficient hot water systems can help cut bills, reduce emissions and future‑proof your property. Talk with trusted local hot water installers and heat pump and solar hot water specialists for personalised advice with us, and find the right solution for your Kogarah Bay home or business.