Hot Water Systems in St Marys
The 2760 postcode, covering St Marys, Colyton, North St Marys, Oxley Park, Ropes Crossing, 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 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 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.
Hot Water Ranking
Postcode 2760
125th
State Wide
561st
Australia Wide
Hot Water Installation 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 St Marys
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterSt 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.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for St Marys
Compare heat pump hot water systems suitable for 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 - St Marys, 2760
Hot Water Demographics - St Marys
Based on the Australian Bureau of Statistics 2021 Census (ABS), 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, 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 St Marys's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The 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.
St Marys 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
Across St Marys, more homeowners and businesses are rethinking their old gas and electric hot water and switching to modern, energy efficient options. With power prices biting and an average household income around $1,575 a week, a smarter hot water system is an easy way to trim bills without sacrificing comfort. In a postcode of around 12,500 dwellings and an average household size of 2.8 people, a reliable hot water system is essential for busy families, tradies and local businesses alike.
St Marys is well suited to efficient hot water upgrades. The local solar exposure averages about 16.2 MJ/m² a day, which is roughly 4.5–4.6 kWh/m² of sunshine – ideal for a solar hot water system or a heat pump hot water system that uses ambient air to heat your tank. Upgrading from older gas or an ageing electric hot water system to a modern heat pump or solar hot water heating system can deliver substantial annual hot water energy savings, especially for larger families and homes with multiple bathrooms.
In 2760, separate houses dominate, with more than 8,700 stand-alone homes plus thousands of townhouses, which means plenty of roof space for solar hot water installation and good access for heat pump hot water installation. Many households are still running older gas or resistive electric units, so hot water energy use can be one of the biggest chunks of the power bill. That makes choosing the most efficient hot water system a smart move, whether you go for a high-performance heat pump hot water system, a roof-mounted solar hot water system, or a well-sized electric hot water system paired with rooftop solar.
Well-known brands such as Rheem, Rinnai, Sanden and Thermann are popular in St Marys, offering everything from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water and premium sanden heat pump systems. Local hot water installers can help you compare heat pump vs solar hot water, or even solar hot water vs electric hot water, to find the best hot water system Australia has to offer for your budget and roof layout. If you already have panels, a modern electric hot water installation on a timer or diverter can effectively act as a solar hot water heating system by soaking up your excess solar.
Typical annual bill savings in St Marys look like:
• Old electric to quality heat pump: $400–$900 per year • Gas storage to heat pump: $300–$700 per year • Gas storage to solar hot water system: $250–$600 per year • Old electric to new electric hot water system with solar: $250–$500 per year
St Marys has already seen 511 efficient hot water systems installed, combining heat pump and solar hot water installation projects over the past two decades. Installations peaked around 2009–2010 with more than 200 systems in just two years, then settled into a steady stream of upgrades as more locals focused on electrification and lower running costs. Recent years still show consistent heat pump and solar hot water repair and replacement work, with homeowners swapping out failed tanks for efficient options rather than like-for-like gas.
For locals, hot water nsw options now come with generous support. Federal incentives such as Small-scale Technology Certificates (STCs) can significantly reduce the solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of that, state-based hot water rebate nsw programs can provide a heat pump hot water rebate or solar hot water rebate for eligible homes replacing old electric or gas units, and there are also schemes that support an electric hot water system rebate when moving away from gas. These discounts can cut the upfront hot water system price / cost by a substantial percentage and shorten the payback period to just a few years, especially if you use timers or solar diversion so your energy efficient hot water system runs mainly on cheap daytime solar.
Whether you need hot water installation for a new build, hot water repair on a leaking tank, or a full solar hot water tank replacement, it pays to think long term. An energy efficient hot water system can reduce bills, cut emissions and future-proof your home as St Marys continues its shift towards all-electric living. If your current unit is older, noisy or unreliable, now is a good time to explore options like a best heat pump hot water system, a chromagen solar hot water upgrade or a modern electric hot water vs gas hot water changeover. Reach out to experienced local hot water installers who specialise in heat pump hot water installation, solar hot water repair and electric hot water installation, and get personalised advice on the right hot water system for your St Marys home or business.