Hot Water in Comerong Island, NSW

Hot Water Systems in Comerong Island

The 2540 postcode, covering Comerong Island, Nowra Naval Po, Wreck Bay, Bamarang, Barringella, Basin View, Beecroft Peninsula, Berrara, Bewong, Bolong, Boolijah, Bream Beach, Browns Mountain, Brundee, Buangla, Burrier, Callala Bay, Callala Beach, Cambewarra, Cambewarra Village, Comberton, Cudmirrah, Culburra Beach, Currarong, Erowal Bay, Ettrema, Falls Creek, Greenwell Point, Hmas Albatross, Hmas Creswell, Huskisson, Hyams Beach, Illaroo, Jerrawangala, Jervis Bay, Kinghorne, Longreach, Mayfield, Meroo Meadow, Mondayong, Moollattoo, Mundamia, Myola, Nowra Hill, Numbaa, Old Erowal Bay, Orient Point, Parma, Pyree, Sanctuary Point, St Georges Basin, Sussex Inlet, Swanhaven, Tallowal, Tapitallee, Terara, Tomerong, Tullarwalla, Twelve Mile Peg, Vincentia, Wandandian, Watersleigh, Wollumboola, Woollamia, Worrigee, Worrowing Heights, Wrights Beach, Yalwal and Yerriyong and surrounding areas, is home to around 26,054 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 Comerong Island and the 2540 area, 4,586 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 Comerong Island's climate delivering an average of 4.4 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.

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Hot Water Ranking

Postcode 2540

4th

State Wide

24th

Australia Wide

Hot Water Installation Comerong Island

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 Comerong Island

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterComerong Island

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 Comerong Island

Compare heat pump hot water systems suitable for Comerong Island'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 - Comerong Island, 2540

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Hot Water Demographics - Comerong Island

Based on the Australian Bureau of Statistics 2021 Census (ABS), Comerong Island has around 26,054 private dwellings, home to approximately 43,985 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Comerong Island households use approximately 115 litres of hot water daily, equating to a massive 3.0 million litres of hot water used across the suburb every single day.

Other census insights reinforce Comerong Island's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Comerong Island community is home to 2,934 couple families with children and 967 one-parent families, meaning a large proportion of households face substantial hot water demand. With 5,226 homes owned with a mortgage and 8,495 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.

Comerong Island is converting hot water demand to efficient systems faster than many peers, with 17.6% of dwellings already upgraded.

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Hot water systems in Comerong Island

Across Comerong Island and the wider 2540 area, more locals are shifting from old gas and ageing electric units to an energy efficient hot water system. With a median household size of around 2.3 people and a big share of homes owned outright or with a mortgage, many households are now looking at long term savings rather than just the cheapest upfront hot water system price or cost. The climate helps too: Greenwell Point’s average solar exposure is about 15.9 MJ/m² a day, roughly 4.4 kWh/m², which is ideal for a solar hot water system, solar hot water heating system or a modern heat pump hot water system.

For year round comfort, homeowners on Comerong Island are weighing up heat pump vs solar hot water, and even newer styles of electric hot water system that pair well with rooftop solar. With many residents on fixed incomes and a median age close to 49 across the postcode, cutting running costs from hot water NSW wide is becoming a priority. Upgrading from an older gas or resistive electric hot water system to a more energy efficient hot water system can trim a big chunk off annual energy use, especially in smaller households where hot water energy use is a high share of the total bill.

In the 2540 region, there are 18,000 plus occupied dwellings and a strong mix of family homes and holiday properties. That means hot water demand ranges from steady, everyday use through to high peak loads on weekends and holidays. Brands like Rheem heat pump hot water and Rheem solar hot water are popular for reliable all round performance, while Sanden heat pump units are often chosen as some of the best heat pump hot water system options for very low running costs. Rinnai solar hot water and Chromagen solar hot water systems also appear regularly in local solar hot water installation projects, especially on sunny, north facing roofs.

When you compare upgrade options, the savings can be significant. Typical annual bill reductions for Comerong Island homes might look like:

• Old electric to heat pump hot water system: save around $400–$800 per year. • Gas to heat pump hot water system: save roughly $300–$600 per year. • Gas to solar hot water system: save about $250–$550 per year. • Old electric to efficient electric hot water system with solar: save around $300–$700 per year.

Recent trends show this is not just theory. In the 2540 postcode there have already been 4,586 efficient hot water installations, combining heat pump hot water installation and solar hot water installation. Installations climbed steadily through the early 2000s, then spiked in 2009 with 1,176 systems installed as generous rebates kicked in. While the pace has settled, there is still consistent demand, with dozens of systems added every year right through to 2024 and 2025. This steady flow of hot water installation and hot water repair work reflects a growing local interest in electrification, lower running costs and moving away from gas.

Hot Water Rebates, Tariffs & Savings

For Comerong Island homeowners, the appeal of replacing an old gas or tired electric unit with a heat pump hot water system, solar hot water system or efficient electric hot water system is boosted by rebates. Federal incentives through Small scale Technology Certificates help reduce the solar hot water price or cost and the heat pump hot water price or cost. On top of that, NSW hot water rebate programs can offer a heat pump hot water rebate or solar hot water rebate that cuts thousands off the upfront bill in some cases, especially when replacing an existing electric or gas system. There are also electric hot water system rebate options under some schemes, which make it easier to go all electric and pair your hot water with rooftop solar.

For many Comerong Island households, these hot water rebate NSW incentives mean the payback period can drop to just a few years, particularly when you add timers or solar diversion to run your hot water mostly on free solar. It is common to see hundreds of dollars a year shaved off bills, while also cutting emissions and avoiding volatile gas prices. When you compare solar hot water vs electric hot water or electric hot water vs gas hot water, the most efficient hot water system for your home will depend on roof space, budget, and how much solar you already have.

If your hot water tank is ageing, rusty, or you are facing another hot water repair, it may be time to compare options like a sanden heat pump, rheem heat pump hot water, rinnai solar hot water or chromagen solar hot water, and even consider solar hot water tank replacement as part of a broader hot water upgrade.

Thinking about a hot water upgrade on Comerong Island? Whether you are moving from gas to an all electric hot water system, weighing up heat pump vs solar hot water, or simply want the best hot water system Australia can offer for your budget, it pays to talk to experienced local hot water installers. With strong solar potential, growing interest in sustainability and generous hot water rebate NSW programs, now is a smart time to look at an energy efficient hot water system that can reduce bills, cut emissions and future proof your home. Connect with trusted local experts for personalised advice and find the right hot water installation or solar hot water repair solution for your place.

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