Hot Water Systems in Tullarwalla
The 2540 postcode, covering Tullarwalla, 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, 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, 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 Tullarwalla 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 Tullarwalla'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 Tullarwalla
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 Tullarwalla
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterTullarwalla
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 Tullarwalla
Compare heat pump hot water systems suitable for Tullarwalla'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 - Tullarwalla, 2540
Hot Water Demographics - Tullarwalla
Based on the Australian Bureau of Statistics 2021 Census (ABS), Tullarwalla 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, Tullarwalla 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 Tullarwalla's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Tullarwalla 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.
Tullarwalla is converting hot water demand to efficient systems faster than many peers, with 17.6% of dwellings already upgraded.
Hot water systems in Tullarwalla
Across Tullarwalla and the wider 2540 area, more households are swapping old gas and power‑hungry units for an energy efficient hot water system. With a median household size of around 2.3 people and more than 18,000 occupied dwellings, steady hot water demand is a fact of life here. Rising energy costs and a strong local focus on comfort in retirement (with over 13,000 residents aged 65+) mean upgrading to a modern solar hot water system, heat pump hot water system or efficient electric hot water system is an easy way to cut bills without sacrificing long showers.
The local climate helps. The nearby Wandandian weather station records an average annual solar exposure of about 15.5 MJ/m² per day – roughly 4.3 kWh/m²/day – which is excellent for both a solar hot water heating system and a high‑performance heat pump hot water system. That sunshine, combined with decent roof space on the many separate houses across 2540, means a solar hot water installation or heat pump hot water installation can deliver strong Annual Hot Water Energy Savings for typical Tullarwalla homes.
In the 2540 postcode, there are 7,500‑plus three‑bedroom homes and over 6,000 four‑bedroom homes, so families and multi‑person households rely heavily on their hot water system. For many, hot water energy use can be a quarter or more of total electricity. Swapping an old electric hot water system or gas unit for the most efficient hot water system you can reasonably afford – whether that is a Sanden heat pump, Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water or another quality brand – can noticeably reduce running costs while improving reliability.
Typical annual bill savings in Tullarwalla look like this: • Old electric to quality heat pump: around $350–$700 per year • Gas storage to heat pump: around $250–$600 per year • Gas storage to solar hot water system: around $200–$550 per year • Old electric to modern electric hot water with rooftop solar: around $250–$500 per year
Efficient hot water systems are already popular locally. In the 2540 area, there have been 4,586 efficient hot water installations to date, combining both heat pump and solar hot water systems. Installations ramped up sharply around 2008–2010, peaking at 1,176 systems in 2009, then settling into a steady flow of upgrades each year through the 2010s and into the 2020s. Recent years still show dozens of systems going in annually, reflecting a continued shift towards electrification, lower running costs and an energy efficient hot water system that works with rooftop solar rather than against it.
Hot Water Rebates, Tariffs & Savings
For Tullarwalla homeowners, the economics are helped along by hot water rebate programs. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water systems, effectively reducing the solar hot water price / cost or heat pump hot water price / cost at the point of sale. New South Wales schemes can also offer a heat pump hot water rebate or solar hot water rebate for swapping out old electric or gas units, and there are options for an electric hot water system rebate in certain upgrade pathways. Together, these hot water rebate NSW programs can knock a substantial percentage off the upfront hot water system price / cost and shorten payback times to just a few years, especially when paired with rooftop solar and smart timers or solar‑diversion controls.
Many locals weighing up heat pump vs solar hot water, or solar hot water vs electric hot water, are really asking what will be the best hot water system Australia can offer for their situation. For some homes with limited roof space, the best heat pump hot water system might be a compact Sanden heat pump or similar unit that runs mostly on cheap solar power. Others with ample roof area may prefer a roof‑mounted Chromagen solar hot water or Rheem solar hot water tank replacement, backed by a small electric booster. Either way, a well‑designed hot water installation can become the most efficient hot water system in your home, slashing emissions and bills compared with electric hot water vs gas hot water storage systems.
If your current unit is old, noisy or you are simply curious about a hot water upgrade in Tullarwalla, now is a good time to run the numbers. A professional electric hot water installation, solar hot water repair, solar hot water tank replacement or hot water repair on an existing system can all be opportunities to move to a more efficient setup. With strong solar resources, a high share of owner‑occupied homes and growing interest in sustainability, hot water NSW households are well placed to benefit. Talk to experienced local hot water installers who specialise in solar hot water installation, heat pump hot water installation and electric hot water installation to get personalised advice on hot water systems Tullarwalla residents can rely on for years to come, and see how much you could save with an energy efficient hot water system and the right hot water rebate NSW options.