Hot Water Systems in Lilyfield
The 2040 postcode, covering Lilyfield and Leichhardt and surrounding areas, is home to around 9,785 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 Lilyfield and the 2040 area, 467 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 Lilyfield'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 2040
136th
State Wide
600th
Australia Wide
Hot Water Installation Lilyfield
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 Lilyfield
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterLilyfield
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 Lilyfield
Compare heat pump hot water systems suitable for Lilyfield'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 - Lilyfield, 2040
Hot Water Demographics - Lilyfield
Based on the Australian Bureau of Statistics 2021 Census (ABS), Lilyfield has around 9,785 private dwellings, home to approximately 21,360 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Lilyfield households use approximately 120 litres of hot water daily, equating to a massive 1.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Lilyfield's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Lilyfield community is home to 2,222 couple families with children and 395 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,024 homes owned with a mortgage and 2,242 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.
Lilyfield is converting hot water demand to efficient systems faster than many peers, with 4.8% of dwellings already upgraded.
Hot water systems in Lilyfield
Across Lilyfield and the 2040 postcode, more households are moving away from old gas units and power‑hungry storage heaters towards an energy efficient hot water system. With an average household size of around 2.4 people and more than 5,200 owner‑occupied homes, many families are looking for a hot water upgrade that keeps bills down without sacrificing comfort. Rising energy costs and strong local incomes mean homeowners are willing to invest in quality if the hot water system price makes sense over the long term.
Lilyfield’s solar exposure averages about 16.4 MJ/m² per day, or roughly 4.5 kWh/m², which is excellent for both a solar hot water system and a modern heat pump hot water system. That amount of sunshine helps a solar hot water heating system pre‑heat your water, and also boosts the efficiency of a heat pump hot water installation that runs during the middle of the day. In a suburb where many residents are already thinking about sustainability and higher mortgage repayments, shifting from electric hot water vs gas hot water towards an all‑electric, energy efficient hot water system is a logical next step, with annual hot water energy savings often in the hundreds of dollars.
In the 2040 area, detached homes, terraces and townhouses sit alongside apartments, so hot water installation needs to be matched to property type and hot water demand. A busy family in a three‑bedroom house will lean towards the most efficient hot water system they can fit, while a couple in a unit might prefer a compact electric hot water system or a small heat pump. Brands like Rheem heat pump hot water and Rheem solar hot water are common choices for established homes, while Sanden heat pump and Rinnai solar hot water options are popular with households chasing maximum efficiency and lower running costs.
When you compare heat pump vs solar hot water, both can dramatically reduce the share of your energy use that goes into water heating. Many Lilyfield homes already have rooftop solar, so pairing a heat pump hot water system or efficient electric hot water system with daytime solar generation can make your running costs extremely low. For others, a dedicated solar hot water installation with roof‑mounted collectors and a solar hot water tank replacement is the better fit. Either way, solar hot water vs electric hot water on standard tariffs is rarely a close contest once you factor in long‑term bills.
Typical annual bill savings in Lilyfield look like this:
• Replacing an old electric hot water system with a quality heat pump: save around $350–$700 per year. • Switching from gas hot water to a heat pump hot water system: save roughly $250–$600 per year. • Moving from gas to a solar hot water system: save about $250–$550 per year. • Upgrading an old electric unit to a modern electric hot water system and running it mostly on rooftop solar: save around $300–$650 per year.
Since the early 2000s, Lilyfield and surrounding suburbs have steadily embraced efficient hot water. There have been 467 efficient hot water systems installed in the 2040 postcode, including both heat pump and solar hot water systems. Installations picked up around 2009–2011, with strong years again from 2014 onwards, and a consistent flow of new systems through to 2025. This pattern shows growing local interest in electrification, lower running costs and reliable hot water repair and replacement, especially as older gas and electric units reach the end of their life.
In NSW, Lilyfield homeowners can usually access a mix of Federal and state incentives for efficient hot water. Small‑scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, reducing the upfront solar hot water price or heat pump hot water price at the point of sale. On top of that, state programs can provide additional support that works much like an electric hot water system rebate when you are replacing an old, inefficient unit. Together, these hot water rebate nsw schemes can trim the hot water system cost by a substantial percentage, cutting payback times dramatically. Combine rebates with smart timers or solar diversion and you can push your system towards the best heat pump hot water system performance for your home.
If your current unit is ageing, running out of hot water or costing too much to run, it is a good time to look at options like a Sanden heat pump, Rheem heat pump hot water, Chromagen solar hot water or Rinnai solar hot water, alongside efficient electric hot water installation. Whether you need hot water repair, solar hot water repair or a full solar hot water tank replacement, choosing experienced local specialists in hot water nsw will help you compare solar hot water price vs heat pump hot water cost and pick the best hot water system Australia can offer for your situation. To tap into Lilyfield’s strong solar resource, reduce bills, cut emissions and future‑proof your home, connect with trusted local hot water installers for personalised advice and a tailored hot water installation plan that suits your property and budget.