Hot Water Systems in St Marys South
The 2760 postcode, covering St Marys South, Colyton, North St Marys, Oxley Park, Ropes Crossing, St Marys and St Marys East and surrounding areas, is home to around 13,239 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 St Marys South and the 2760 area, 511 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 St Marys South's climate delivering an average of 4.5 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 2760
125th
State Wide
561st
Australia Wide
Hot Water Installation St Marys South
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 St Marys South
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterSt Marys South
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.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for St Marys South
Compare heat pump hot water systems suitable for St Marys South'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 - St Marys South, 2760
Hot Water Demographics - St Marys South
Based on the Australian Bureau of Statistics 2021 Census (ABS), St Marys South has around 13,239 private dwellings, home to approximately 34,721 people. With an average household size of 2.8 people, and around 50 litres of hot water used per person each day in Australia, St Marys South households use approximately 140 litres of hot water daily, equating to a massive 1.9 million litres of hot water used across the suburb every single day.
Other census insights reinforce St Marys South's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The St Marys South community is home to 3,279 couple families with children and 1,219 one-parent families, meaning a large proportion of households face substantial hot water demand. With 4,390 homes owned with a mortgage and 2,333 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.
St Marys South is converting hot water demand to efficient systems faster than many peers, with 3.9% of dwellings already upgraded.
Hot water systems in St Marys South
Across St Marys South, more households are rethinking their hot water system and moving away from old gas and power‑hungry electric units. With energy prices biting and many families on a median household income of about $1,575 a week, switching to an energy efficient hot water system is a simple way to cut bills without changing your lifestyle. In a postcode with around 12,500 occupied dwellings and an average household size of 2.8, reliable hot water is non‑negotiable – but how you heat it is where the savings are.
The local climate helps. St Marys South enjoys strong sunshine, with average annual solar exposure of about 16.2 MJ/m² per day – roughly 4.5 kWh/m²/day. That level of solar is ideal for a solar hot water system or modern heat pump hot water system, both of which turn free renewable energy into lower running costs. Upgrading from an older gas or electric hot water system to a heat pump hot water or solar hot water heating system can deliver substantial Annual Hot Water Energy Savings for typical family homes in the area.
In 2760, most homes are separate houses with three or four bedrooms, so hot water demand is steady: showers, dishwashers, washing machines and kids’ baths all add up. Many properties still run gas or older electric hot water, which means plenty of room for improvement. Local installers are seeing strong interest in heat pump vs solar hot water comparisons, with owners weighing upfront hot water system price against long‑term savings and comfort.
Average annual bill savings for St Marys South homes can look like this:
• Old electric to heat pump hot water system: save roughly $350–$700 per year. • Gas to heat pump hot water system: save around $250–$600 per year. • Gas to solar hot water system: save about $300–$650 per year. • Old electric to modern electric hot water system with rooftop solar: save roughly $250–$550 per year.
Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are popular locally for efficient upgrades, alongside Chromagen solar hot water options. Many homeowners ask which is the best hot water system Australia has for their situation; often the best heat pump hot water system or solar setup is the one sized correctly for your household and roof, installed well, and supported with good after‑sales hot water repair.
St Marys South has already seen 511 efficient hot water installations, combining heat pump hot water installation and solar hot water installation. Installations spiked around 2009–2011, with nearly 270 systems going in during those years alone, followed by a steady trickle of upgrades through the 2010s and into the 2020s. This trend shows growing local interest in electrification, lower running costs and more energy efficient hot water system options as families look to future‑proof their homes.
Hot Water Rebates, Tariffs & Savings
For hot water NSW households, rebates and smarter tariffs are a big part of the picture. Whether you are replacing gas hot water or an old electric hot water system, there are incentives to move to heat pump hot water, solar hot water or even a more efficient electric hot water system in St Marys South. Australian Government 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 or heat pump hot water price by hundreds of dollars. NSW programs can also work like an electric hot water system rebate when you choose certain high‑efficiency models.
When you stack these hot water rebate NSW offers together, it is common to see the overall hot water system cost reduced by a substantial percentage, bringing premium options like Rheem solar hot water, Chromagen solar hot water or a Sanden heat pump within reach. Combine rebates with rooftop solar, smart timers or solar‑diversion, and payback periods on a new solar hot water vs electric hot water upgrade can shrink to just a few years, while ongoing savings of hundreds of dollars a year continue for the life of the system.
If your existing unit is older, noisy, leaking or you are weighing electric hot water vs gas hot water, now is a good time to check if your St Marys South home is ready for a hot water upgrade. Whether you are considering a heat pump hot water system, a solar hot water tank replacement, a modern electric hot water installation or simply need fast hot water repair or solar hot water repair, it pays to work with experienced local hot water installers like us. With strong solar, solid family‑home stock and rising interest in sustainability, St Marys South is well placed to benefit from the most efficient hot water system options. Reach out to our trusted local experts for personalised advice on the best solution for your home and budget, and start cutting bills and emissions with a smarter hot water installation today.