Hot Water Systems in Old Noarlunga
The 5168 postcode, covering Old Noarlunga, Noarlunga Centre and Noarlunga Downs and surrounding areas, is home to around 2,468 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 Old Noarlunga and the 5168 area, 132 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 Old Noarlunga's climate delivering an average of 4.8 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 5168
126th
State Wide
1271st
Australia Wide
Hot Water Installation Old Noarlunga
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 Old Noarlunga
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterOld Noarlunga
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 Old Noarlunga
Compare heat pump hot water systems suitable for Old Noarlunga'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 - Old Noarlunga, 5168
Hot Water Demographics - Old Noarlunga
Based on the Australian Bureau of Statistics 2021 Census (ABS), Old Noarlunga has around 2,468 private dwellings, home to approximately 5,428 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Old Noarlunga households use approximately 115 litres of hot water daily, equating to a massive 0.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Old Noarlunga's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Old Noarlunga community is home to 405 couple families with children and 183 one-parent families, meaning a large proportion of households face substantial hot water demand. With 978 homes owned with a mortgage and 539 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.
Old Noarlunga is converting hot water demand to efficient systems faster than many peers, with 5.3% of dwellings already upgraded.
Hot water systems in Old Noarlunga
In Old Noarlunga, more homeowners are rethinking their hot water system and moving to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With most of the 2,330 local dwellings being separate houses and an average household size of 2.3 people, steady daily hot water demand makes an upgrade a smart way to cut rising energy costs. Many families here juggle a median mortgage of around $1,365 a month, so trimming bills without sacrificing comfort is a big win.
Old Noarlunga is especially well suited to efficient hot water. The local weather station records an average annual solar exposure of about 17.2 MJ/m² a day, or roughly 4.8 kWh/m² of sunshine. That strong solar resource helps a solar hot water heating system and heat pump hot water system perform really well, slashing electricity use compared with old gas or electric storage units. For many households, annual hot water energy savings can easily reach hundreds of dollars, especially when replacing a tired gas storage unit or an ageing electric hot water system.
Across the 5168 area, most homes are three bedroom houses, with 1,341 dwellings in that range, so a typical 250–315 litre hot water installation suits families and downsizers alike. Hot water can account for up to a quarter of home energy use, so choosing the most efficient hot water system has a real impact on overall bills. Local interest in going all electric is growing too, with more people asking about electric hot water vs gas hot water and how to pair a hot water upgrade with rooftop solar.
Average annual bill savings in Old Noarlunga can look like:
• Old electric to heat pump hot water system: save about $350–$700 per year. • Gas storage to heat pump: save roughly $250–$600 per year. • Gas storage to solar hot water system: save around $250–$550 per year. • Old electric to modern electric hot water installation with solar: save about $200–$450 per year.
Well known brands such as Rheem, Rinnai and Chromagen are popular locally for solar hot water installation and solar hot water tank replacement, while premium options like a Sanden heat pump are often chosen as some of the best heat pump hot water system choices in Australia. Many homeowners ask about heat pump vs solar hot water, solar hot water vs electric hot water and which setup will give them the most efficient hot water system for their roof space, budget and tariff.
In Old Noarlunga and the wider 5168 postcode, there have already been 132 efficient hot water systems installed, including both heat pump hot water installation and solar hot water installation projects. Installations picked up strongly between 2008 and 2013, with peak years like 2010 seeing 17 installs and 2009 seeing 13. While numbers have been smaller more recently, there is steady interest, with new systems going in again in 2024 and 2025. This trend shows a clear local shift towards energy efficient hot water system options, electrification and lower running costs.
Hot Water Rebates, Tariffs & Savings
For households in Old Noarlunga, hot water sa upgrades are becoming even more attractive thanks to rebates and smarter tariffs. Federal Small-scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, cutting the upfront solar hot water price / cost or heat pump hot water price / cost. South Australian programs can also operate like a hot water rebate sa, and some newer electric hot water system rebate offers help when moving away from gas. Together, these discounts can reduce system cost by a substantial percentage, often shaving thousands off a quality rheem solar hot water, rinnai solar hot water, chromagen solar hot water or rheem heat pump hot water package. When you combine rebates with solar, timers or solar-diversion controls, payback periods can drop to just a few years, while hot water repair and running costs fall and reliability improves.
If your current unit is older gas or an ageing electric system, now is a good time to check whether your Old Noarlunga home is ready for a hot water upgrade. Whether you want the best hot water system australia can offer, are comparing solar hot water price / cost, or simply need fast hot water repair or solar hot water repair, working with experienced local installers who specialise in heat pump hot water, solar hot water and electric hot water installation matters. With strong solar, solid household incomes and growing interest in sustainability, efficient hot water systems can help Old Noarlunga residents cut bills, reduce emissions and future proof their homes. Connect with trusted local experts for personalised advice with us and find the right hot water system price / cost and design for your place.