Hot Water Systems in Marsfield
The 2122 postcode, covering Marsfield and Eastwood and surrounding areas, is home to around 12,165 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 Marsfield and the 2122 area, 387 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 Marsfield'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 2122
158th
State Wide
689th
Australia Wide
Hot Water Installation Marsfield
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 Marsfield
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMarsfield
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 Marsfield
Compare heat pump hot water systems suitable for Marsfield'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 - Marsfield, 2122
Hot Water Demographics - Marsfield
Based on the Australian Bureau of Statistics 2021 Census (ABS), Marsfield has around 12,165 private dwellings, home to approximately 29,892 people. With an average household size of 2.6 people, and around 50 litres of hot water used per person each day in Australia, Marsfield households use approximately 130 litres of hot water daily, equating to a massive 1.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce Marsfield's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Marsfield community is home to 2,611 couple families with children and 417 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,142 homes owned with a mortgage and 3,368 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.
Marsfield is converting hot water demand to efficient systems faster than many peers, with 3.2% of dwellings already upgraded.
Hot water systems in Marsfield
Across Marsfield, more homeowners and businesses are rethinking their old gas and electric hot water system and switching to efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. With an average household size of around 2.6 people and more than 11,000 dwellings across 2122, hot water is a big slice of local energy use – and a smart place to start if you want lower bills.
Marsfield’s mix of separate houses and townhouses, plus thousands of apartments, means there’s no one-size-fits-all solution. But with median household income sitting near $1,944 a week and many homes still running older systems, upgrading to an energy efficient hot water system is a logical next step. Locally, the mean daily solar exposure is about 16.2 MJ/m² – roughly 4.5 kWh/m² per day – which is strong enough to support both a solar hot water heating system and a high-performance heat pump hot water system, especially when paired with rooftop solar.
For a typical Marsfield family, hot water can be 20–30% of household electricity use. That’s why more people are comparing heat pump vs solar hot water and even looking at solar hot water vs electric hot water. A well-sized solar hot water installation or heat pump hot water installation can deliver Annual Hot Water Energy Savings of hundreds of dollars a year compared with an old electric hot water system or gas unit.
In 2122 there have already been 387 efficient hot water installations (heat pump and solar hot water) recorded, with a clear boom in 2009 and 2010 and steady interest continuing through to 2025. Those peak years show how strongly locals respond when rebates and energy prices line up, and the more recent trickle of systems reflects a growing shift toward electrification, lower running costs and moving away from gas hot water as systems reach the end of their life.
Brands like Rheem, Rinnai, Sanden and Thermann are common in Marsfield, covering everything from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water and premium sanden heat pump options. Many households are also weighing the best heat pump hot water system and the best hot water system Australia-wide for their roof space, tariff and budget. For some, a simple electric hot water installation timed to run on solar will do the job; others opt for a full solar hot water tank replacement or solar hot water repair to keep an existing system running efficiently. Typical hot water system price / cost ranges from budget electric through to higher heat pump hot water price / cost and solar hot water price / cost, but the running costs are often far lower.
Average annual bill savings in Marsfield can look like: • Old electric to heat pump hot water system: $350–$700 per year • Gas hot water to heat pump: $250–$600 per year • Gas hot water to solar hot water system: $300–$650 per year • Old electric to new electric hot water system with solar: $200–$500 per year
Hot Water Rebates, Tariffs & Savings
Right across Marsfield NSW there is strong interest in replacing old gas or electric units with efficient hot water upgrades. Federal incentives like Small-scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water systems, effectively acting as an upfront solar hot water rebate or heat pump hot water rebate for homeowners. NSW schemes can also support efficient electric hot water vs gas hot water upgrades, and in some cases there is an electric hot water system rebate or specific hot water rebate nsw offer available via approved providers.
These incentives can cut the upfront hot water system price / cost or solar hot water price / cost by a substantial percentage, often shaving thousands off a quality solar hot water installation or heat pump hot water installation. When you combine rebates with solar, timers or solar-diversion controls, payback periods can drop to just a few years, especially for the most efficient hot water system options. Many Marsfield households are now choosing an energy efficient hot water system that works with their rooftop solar and off-peak tariffs to maximise savings.
If you are in Marsfield and your current unit is ageing, noisy or unreliable, it is a good time to look at a hot water installation or hot water repair that sets you up for the long term. Whether you are comparing solar hot water vs electric hot water, checking if a chromagen solar hot water or other brand suits your roof, or simply want dependable hot water nsw wide without bill shock, efficient options are available.
If your hot water system is over 10 years old, running on gas, or costing a fortune to run, now is the time to see whether a heat pump hot water system, solar hot water system or modern electric hot water system is right for your Marsfield home. Talk with experienced local hot water installers like us – heat pump and solar hot water specialists – to assess your home’s energy-efficiency potential, tap into any hot water rebate nsw options, and choose a solution that cuts bills, reduces emissions and future-proofs your property. Reach out for personalised advice and find the right hot water upgrade for your Marsfield home or business today.