Hot Water Systems in Jerrawangala
The 2540 postcode, covering Jerrawangala, 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, Comerong Island, Cudmirrah, Culburra Beach, Currarong, Erowal Bay, Ettrema, Falls Creek, Greenwell Point, Hmas Albatross, Hmas Creswell, Huskisson, Hyams Beach, Illaroo, 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 Jerrawangala 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 Jerrawangala's climate delivering an average of 4.3 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 2540
4th
State Wide
24th
Australia Wide
Hot Water Installation Jerrawangala
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 Jerrawangala
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterJerrawangala
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 Jerrawangala
Compare heat pump hot water systems suitable for Jerrawangala'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 - Jerrawangala, 2540
Hot Water Demographics - Jerrawangala
Based on the Australian Bureau of Statistics 2021 Census (ABS), Jerrawangala 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, Jerrawangala 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 Jerrawangala's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Jerrawangala 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.
Jerrawangala is converting hot water demand to efficient systems faster than many peers, with 17.6% of dwellings already upgraded.
Hot water systems in Jerrawangala
Across Jerrawangala and the wider 2540 area, more homeowners are swapping old gas and ageing electric units for an energy efficient hot water system. With an average household size of around 2.3 people and more than 18,000 occupied dwellings in the postcode, hot water is a big slice of local energy use, especially for families and retirees. Many homes are owned outright or with a mortgage, so upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step to cut running costs.
Jerrawangala enjoys strong sunshine, with average solar exposure of about 15.5 MJ/m² per day – roughly 4.3 kWh/m². That makes a solar hot water heating system or heat pump hot water installation a smart fit, particularly if you already have rooftop solar. The climate supports both roof‑mounted solar hot water installation and high‑efficiency heat pumps that pull warmth from the air, even in cooler months. For many households, shifting from electric hot water vs gas hot water to an all‑electric, energy efficient hot water system can deliver solid Annual Hot Water Energy Savings while lowering emissions.
In the 2540 region, a mix of three‑ and four‑bedroom homes drives steady hot water demand, and hot water energy use can easily account for a quarter or more of a home’s electricity. That is why efficient systems such as Rheem heat pump hot water units, Sanden heat pump models and roof‑mounted Rheem solar hot water or Rinnai solar hot water systems are increasingly common. Brands like Chromagen solar hot water also appear on local roofs, giving Jerrawangala households a good choice of options when comparing the best hot water system Australia offers for local conditions.
Typical annual bill savings from a hot water upgrade in Jerrawangala can look like:
• Old electric to heat pump hot water system: $450–$900 per year • Gas to heat pump hot water system: $350–$750 per year • Gas to solar hot water system: $300–$700 per year • Old electric to modern electric hot water installation with solar: $250–$600 per year
Over time, these savings help offset the hot water system price / cost of stepping up to the best heat pump hot water system or a quality solar hot water tank replacement. Even a modern electric hot water installation, when paired with rooftop solar and timers, can be the most efficient hot water system for some homes.
Jerrawangala and the 2540 postcode have already seen 4,586 efficient hot water systems installed, combining heat pump and solar hot water installations. Installations ramped up sharply around 2008–2010, peaking in 2009, then settled into steady annual numbers through the 2010s and into the 2020s. Recent years still show dozens of new systems each year, reflecting growing interest in electrification, lower running costs and reliable hot water repair and replacement options. As more residents compare heat pump vs solar hot water and solar hot water vs electric hot water, efficient systems are becoming the default choice.
Hot Water Rebates, Tariffs & Savings
For Jerrawangala households looking to replace old gas or electric units, there is strong support to move to a heat pump hot water system, a newer electric hot water system or a solar hot water heating system. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively cutting the solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of that, NSW hot water rebate programs and schemes can provide a heat pump hot water rebate or solar hot water rebate that further reduces upfront hot water installation costs. In some cases, discounts can trim the system cost by a substantial percentage, bringing premium options such as Sanden heat pump or Rheem solar hot water within reach. With typical savings of hundreds of dollars per year, the payback period can be shortened even more when you combine rebates, solar and smart controls like timers or solar‑diversion. For some efficient electric hot water systems, there may also be an electric hot water system rebate available, helping households in hot water nsw areas like Jerrawangala to move away from gas.
If you are wondering about the best way to upgrade in Jerrawangala – whether that is a heat pump hot water installation, solar hot water repair and replacement, or a simple electric hot water installation – it pays to get tailored advice. Every home is different, and factors like tariff choice, existing solar and typical usage will all affect your hot water system price / cost and long‑term savings.
If your current unit is older, noisy or struggling, now is a good time to check whether your Jerrawangala home is ready for a hot water upgrade. Talk with experienced local hot water installers who specialise in heat pump and solar hot water repair and replacement to find the right energy efficient hot water system for your property. With strong sun, growing interest in sustainability and attractive hot water rebate nsw programs, shifting from gas or old electric to a modern system can help cut bills, reduce emissions and future‑proof your home – connect with trusted local experts for personalised advice with us.