Hot Water Systems in Elizabeth Bay
The 2011 postcode, covering Elizabeth Bay, Kings Cross, Hmas Kuttabul, Potts Point, Rushcutters Bay and Woolloomooloo and surrounding areas, is home to around 12,652 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 Elizabeth Bay and the 2011 area, 6 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 Elizabeth Bay'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 2011
587th
State Wide
2431st
Australia Wide
Hot Water Installation Elizabeth 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 Elizabeth Bay
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterElizabeth 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.
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Heat Pump Hot Water Systems for Elizabeth Bay
Compare heat pump hot water systems suitable for Elizabeth 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 - Elizabeth Bay, 2011
Hot Water Demographics - Elizabeth Bay
Based on the Australian Bureau of Statistics 2021 Census (ABS), Elizabeth Bay has around 12,652 private dwellings, home to approximately 15,138 people. With an average household size of 1.5 people, and around 50 litres of hot water used per person each day in Australia, Elizabeth Bay households use approximately 75 litres of hot water daily, equating to a massive 0.9 million litres of hot water used across the suburb every single day.
Other census insights reinforce Elizabeth Bay's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Elizabeth Bay community is home to 384 couple families with children and 131 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,581 homes owned with a mortgage and 1,810 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.
Elizabeth Bay is converting hot water demand to efficient systems faster than many peers, with 0.0% of dwellings already upgraded.
Hot water systems in Elizabeth Bay
In Elizabeth Bay, hot water is a big part of everyday comfort, whether you are in a harbour-view apartment or a compact terrace. With energy prices rising and many locals keen to move away from gas, more households are looking at an energy efficient hot water system such as a heat pump hot water system, solar hot water system or modern electric hot water system. With an average household size of just 1.5 people and a high share of renters and professionals, the focus is on reliable hot water that keeps bills under control without taking up precious space.
Elizabeth Bay enjoys strong sunshine for an inner-city suburb, with mean daily solar exposure of about 16.4 MJ/m², or roughly 4.5 kWh/m² per day across the year. That makes both a heat pump hot water system and a solar hot water heating system a smart upgrade from older gas or electric units. Many of the 10,000+ dwellings here are flats and apartments, so compact heat pumps and shared solar hot water installation options can make a lot of sense. With solid median household incomes and plenty of long-term residents, upgrading from gas hot water to the most efficient hot water system is a logical next step to lock in annual hot water energy savings.
Across 2011, there have been 6 efficient hot water installations recorded, combining heat pump and solar hot water installation jobs. Install numbers were modest in the early 2000s, with a small peak around 2011 and another system added in 2023, showing a renewed interest as electrification and sustainability become mainstream in Elizabeth Bay. Each new heat pump hot water installation or solar hot water tank replacement reflects locals wanting lower running costs, quieter systems and cleaner energy.
For a typical Elizabeth Bay apartment, hot water can be one of the biggest energy users. Swapping an old electric hot water system for the best heat pump hot water system or a quality rheem heat pump hot water unit can dramatically cut usage. Brands like Rheem, Rinnai and Sanden heat pump models are popular for compact, efficient hot water, while rinnai solar hot water and chromagen solar hot water options suit buildings with good roof access. Many owners are comparing heat pump vs solar hot water and even solar hot water vs electric hot water with rooftop solar to work out the best balance of upfront hot water system price and running costs.
Here are some realistic average annual bill savings many households can see:
• Old electric to heat pump hot water system: $350–$700 per year • Gas to heat pump hot water system: $250–$600 per year • Gas to solar hot water system: $300–$650 per year • Old electric to modern electric hot water installation with rooftop solar: $250–$500 per year
When you factor in rebates, the effective heat pump hot water price or solar hot water price can be much lower than many people expect.
Even in a dense suburb like Elizabeth Bay, interest in replacing old gas or electric hot water with efficient options is growing fast. Federal incentives such as Small-scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, cutting the upfront hot water system cost at the point of sale. On top of that, NSW hot water rebate programs can support heat pump hot water installation or efficient electric hot water installation in some situations, especially when you are moving away from gas. Together, these hot water rebate nsw schemes can effectively reduce system cost by a substantial percentage and shorten payback, particularly when paired with rooftop solar or smart timers and solar diversion controls.
For many households, typical savings from an efficient hot water upgrade run to hundreds of dollars a year, with payback periods shrinking to just a few years. Choosing an energy efficient hot water system that suits your dwelling type, roof space and tariff can make a big difference, whether you are eyeing rheem solar hot water, chromagen solar hot water, a Sanden heat pump or another of the best hot water system Australia options. Electric hot water vs gas hot water is no longer a like-for-like decision; with an electric hot water system rebate and solar, all-electric homes are becoming the norm.
If you live in Elizabeth Bay and your current unit is ageing, noisy or expensive to run, now is a good time to check whether your place is ready for a hot water upgrade. A local hot water nsw specialist can help you compare heat pump vs solar hot water, solar hot water vs electric hot water, and find the best heat pump hot water system or solar hot water repair and replacement option for your building. Working with experienced hot water installers like us means your hot water installation or hot water repair is sized correctly, compliant and optimised for local tariffs and solar. With Elizabeth Bay’s growing interest in sustainability and strong solar resource, an efficient hot water system can cut bills, reduce emissions and future-proof your home or investment—connect with trusted local experts for personalised advice with us today.