Hot Water in North St Marys, NSW

Hot Water Systems in North St Marys

The 2760 postcode, covering North St Marys, Colyton, Oxley Park, Ropes Crossing, St Marys, St Marys East and St Marys South 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 North St Marys 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 North St Marys'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.

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Hot Water Ranking

Postcode 2760

125th

State Wide

561st

Australia Wide

Hot Water Installation North St Marys

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 North St Marys

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterNorth St Marys

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 North St Marys

Compare heat pump hot water systems suitable for North St Marys'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 - North St Marys, 2760

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Hot Water Demographics - North St Marys

Based on the Australian Bureau of Statistics 2021 Census (ABS), North St Marys 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, North St Marys 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 North St Marys's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The North St Marys 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.

North St Marys is converting hot water demand to efficient systems faster than many peers, with 3.9% of dwellings already upgraded.

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Hot water systems in North St Marys

Across North St Marys, more households are rethinking their old gas and electric hot water and shifting to energy efficient options like a modern electric hot water system, a solar hot water system or a heat pump hot water system. With around 12,481 dwellings in the 2760 postcode and an average household size of 2.8 people, hot showers, dishwashers and laundry all add up – so choosing the most efficient hot water system really matters for the budget.

North St Marys gets strong sunshine, with average solar exposure of about 16.2 MJ/m² per day – roughly 4.5 kWh/m² of energy daily – which is ideal for both a solar hot water heating system and for boosting the efficiency of a heat pump hot water system. In a family area where many homes are owned with a mortgage (around 4,390 dwellings) and median household income is about $1,575 a week, upgrading from older gas or resistive electric units to an energy efficient hot water system is a logical way to trim bills and ease cost‑of‑living pressure. Annual hot water energy savings can be significant when you move to the most efficient hot water system that suits your home.

In the 2760 area, demand is driven by three‑ and four‑bedroom homes (over 9,000 dwellings) with steady hot water use from families. Many are weighing up heat pump vs solar hot water, or even solar hot water vs electric hot water, to decide what fits their roof space, budget and routine. Well known brands such as Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and premium options like Sanden heat pump units all have a presence locally, from simple electric hot water installation through to full solar hot water installation with roof collectors and a solar hot water tank replacement when older cylinders fail.

Typical annual bill savings in North St Marys look like:

• Old electric to heat pump hot water installation: save around $400–$800 per year. • Gas to heat pump hot water: save roughly $250–$600 per year. • Gas to solar hot water installation: save about $250–$700 per year. • Old electric to modern electric hot water installation paired with solar PV: save around $300–$700 per year.

Since 2001, about 511 efficient hot water systems have been installed across the 2760 postcode, combining both heat pump and solar hot water systems. Installations peaked around 2009–2011, with nearly 270 hot water installations over just three years, and there is still a steady trickle of upgrades each year as older units reach the end of their life. This long‑term trend shows growing local interest in electrification, lower running costs and reliable hot water NSW households can count on.

When it comes to cost, the hot water system price or cost depends on the technology and size. A heat pump hot water price or cost is usually higher upfront than a simple electric hot water system, and a quality solar hot water price or cost with panels and tank will sit above both. However, rebates and lower bills help close the gap quickly.

Hot Water Rebates, Tariffs & Savings

North St Marys homeowners are increasingly looking to replace old gas or electric hot water with efficient options – whether that is a heat pump hot water system, a modern electric hot water system or a roof‑mounted solar hot water system. Australian Federal Government incentives like Small‑scale Technology Certificates (STCs) can apply to eligible heat pump and solar hot water systems, effectively reducing the upfront hot water system price. On top of that, state‑based hot water rebate NSW programs may offer a heat pump hot water rebate, solar hot water rebate or electric hot water system rebate when you switch away from gas or very inefficient units.

For many North St Marys families, these discounts can cut the system cost by a substantial percentage and bring the payback period down to just a few years, especially if you already have rooftop solar or use timers and smart controls to run your electric hot water vs gas hot water at cheaper tariff times. Add in the option of solar hot water repair or hot water repair on existing systems, and there are flexible ways to stay efficient without overspending. When needed, solar hot water repair, hot water installation or solar hot water tank replacement can often be combined with other plumbing works to minimise disruption.

If you are in North St Marys and your current unit is leaking, noisy or just old, it is a good time to check whether your home is ready for a hot water upgrade – from gas or an ageing electric unit to a heat pump hot water system, a solar hot water heating system or a more efficient electric hot water system. Working with experienced hot water installers like us, who specialise in heat pump hot water installation, solar hot water installation, electric hot water installation and hot water repair, means you get tailored advice on the best hot water system Australia can offer for your situation. With strong local solar resources, growing interest in sustainability and attractive hot water rebate NSW programs, efficient hot water systems can help reduce bills, cut emissions and future‑proof your home. Connect with trusted local experts for personalised guidance on the right solution for your North St Marys property.

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