Hot Water Systems in Narrawallee
The 2539 postcode, covering Narrawallee, Berringer Lake, Yatte Yattah, Bawley Point, Bendalong, Burrill Lake, Cockwhy, Conjola, Conjola Park, Croobyar, Cunjurong Point, Dolphin Point, Fishermans Paradise, Kings Point, Kioloa, Lake Conjola, Lake Tabourie, Manyana, Mollymook, Mollymook Beach, Mount Kingiman, Pointer Mountain, Pretty Beach, Termeil, Ulladulla and Yadboro and surrounding areas, is home to around 12,022 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 Narrawallee and the 2539 area, 1,451 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 Narrawallee'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.
Hot Water Ranking
Postcode 2539
27th
State Wide
171st
Australia Wide
Hot Water Installation Narrawallee
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 Narrawallee
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterNarrawallee
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 Narrawallee
Compare heat pump hot water systems suitable for Narrawallee'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 - Narrawallee, 2539
Hot Water Demographics - Narrawallee
Based on the Australian Bureau of Statistics 2021 Census (ABS), Narrawallee has around 12,022 private dwellings, home to approximately 18,828 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Narrawallee households use approximately 110 litres of hot water daily, equating to a massive 1.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Narrawallee's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Narrawallee community is home to 1,148 couple families with children and 451 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,034 homes owned with a mortgage and 4,427 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.
Narrawallee is converting hot water demand to efficient systems faster than many peers, with 12.1% of dwellings already upgraded.
Hot water systems in Narrawallee
In Narrawallee, more locals are rethinking their old gas and electric hot water system and switching to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With many homes owned outright or with a mortgage in the 2539 postcode, and an average household size of around 2.2 people, upgrading to the most efficient hot water system is a simple way to cut running costs without changing your lifestyle.
The Milton weather station shows an annual mean daily solar exposure of about 15.6 MJ/m², which works out to roughly 4.3 kWh/m² per day. That strong South Coast sunshine is ideal for a solar hot water heating system and also helps a heat pump hot water system run more efficiently, especially when paired with rooftop solar. In a suburb where median household income is modest and many residents are over 50, the chance to bank solid annual hot water energy savings is a big driver for moving from gas to electric hot water, or from an old electric unit to heat pump or solar.
Across Narrawallee and the wider 2539 area, demand for efficient hot water installation has grown as power prices climb. Separate houses dominate the 8,411 occupied private dwellings, so there is plenty of roof space for solar hot water installation and PV. For many households, hot water makes up a large slice of total electricity use, so upgrading the hot water system can deliver bigger savings than swapping out a few appliances. Brands like Rheem heat pump hot water units, Sanden heat pump systems, Rinnai solar hot water and Chromagen solar hot water are all popular options when locals look for the best hot water system Australia has to offer in real coastal conditions.
On average, Narrawallee households can expect meaningful savings when they upgrade their hot water:
• Old electric to heat pump hot water system: save around $350–$750 per year on bills. • Gas to heat pump hot water system: save roughly $250–$600 per year. • Gas to solar hot water system: save about $300–$700 per year. • Old electric to modern electric hot water system with solar: save around $250–$550 per year.
Recent data shows 1,451 efficient hot water systems have already been installed in the 2539 postcode, including both heat pump hot water installation and solar hot water installation. Installations spiked around 2009–2011, with more than 700 systems put in over just a few years, and there has been a steady stream of upgrades since 2018. That trend reflects growing local interest in electrification, lower running costs and getting off ageing gas hot water. As older units reach the end of their life, more Narrawallee homeowners are choosing an energy efficient hot water system rather than just replacing like‑for‑like.
Hot Water Rebates, Tariffs & Savings
There is strong interest in Narrawallee NSW in replacing old gas or resistive electric hot water with efficient options such as a heat pump hot water system, solar hot water system or high‑efficiency electric hot water installation. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible systems, effectively acting as an upfront discount. On top of that, NSW hot water rebate programs for heat pumps and solar can further reduce the heat pump hot water price / cost or solar hot water price / cost by a substantial percentage, especially when combined with retailer offers.
Depending on your setup, a heat pump hot water rebate, solar hot water rebate or electric hot water system rebate can shave thousands off the installed hot water system price / cost, cutting payback periods to just a few years. Many Narrawallee homes are already on solar, so using timers or solar diversion to run a heat pump during the middle of the day can mean most of your hot water is effectively heated for free. When you compare heat pump vs solar hot water, or solar hot water vs electric hot water, the right answer often comes down to roof space, budget and how much sun your home receives.
If your current unit is leaking, needing frequent hot water repair, or you are weighing electric hot water vs gas hot water, it is worth comparing options like Rheem solar hot water, Rinnai solar hot water, Sanden heat pump or Chromagen solar hot water. Local installers can also help with solar hot water tank replacement, solar hot water repair and general hot water repair so you are not left without hot water NSW style in the middle of winter.
If you live in Narrawallee and your hot water system is ageing, now is a smart time to look at a heat pump hot water system, solar hot water heating system or efficient electric hot water installation. With generous hot water rebate NSW programs, strong solar exposure and a community that cares about sustainability, upgrading can cut your bills, lower emissions and future‑proof your home. Talk with our experienced hot water installers and solar hot water repair specialists to get personalised advice on the best heat pump hot water system or solar setup for your place, and see how easily you can join the growing number of Narrawallee households enjoying reliable, efficient hot water.