Hot Water Systems in Leichhardt
The 2040 postcode, covering Leichhardt and Lilyfield 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 Leichhardt 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 Leichhardt'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 Leichhardt
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 Leichhardt
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterLeichhardt
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 Leichhardt
Compare heat pump hot water systems suitable for Leichhardt'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 - Leichhardt, 2040
Hot Water Demographics - Leichhardt
Based on the Australian Bureau of Statistics 2021 Census (ABS), Leichhardt 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, Leichhardt 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 Leichhardt's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Leichhardt 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.
Leichhardt is converting hot water demand to efficient systems faster than many peers, with 4.8% of dwellings already upgraded.
Hot water systems in Leichhardt
Across Leichhardt, more homeowners and businesses are rethinking their old gas and electric hot water systems and moving 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 about 2.4 people and more than 8,800 dwellings in the 2040 postcode, reliable, affordable hot water is a big part of local energy use. Median household incomes are solid, but with high mortgages and rents, it makes sense that people are chasing lower running costs and the most efficient hot water system they can reasonably afford.
Leichhardt’s climate helps. The Ashfield Bowling Club weather station records around 16.4 MJ/m² of solar energy a day over the year – roughly 4.5 kWh/m²/day – which is plenty of sunshine to support a solar hot water heating system or boost the efficiency of a heat pump hot water system. When you upgrade from an older gas or resistive electric hot water system to an energy efficient hot water system, you can tap into significant annual hot water energy savings, especially if you already have rooftop solar.
In 2040, many homes are terraces and apartments, so hot water installation needs to be carefully sized. A typical family of three or four will often suit a 250–315 litre heat pump hot water installation or solar hot water installation, while smaller apartments might choose a compact electric hot water installation paired with solar power. Hot water energy use can easily be a quarter of a home’s electricity, so choosing the best hot water system Australia offers for your situation really matters.
Brands like Rheem, Rinnai and Chromagen solar hot water are common across Sydney’s Inner West, with options ranging from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water and premium sanden heat pump units. These systems are popular with Leichhardt households wanting an all‑electric home and lower bills. Typical annual bill savings for local upgrades look like:
• Old electric to heat pump: about $400–$800 per year • Gas to heat pump: about $300–$600 per year • Gas to solar hot water: about $250–$550 per year • Old electric to modern electric with solar: about $200–$450 per year
There have already been 467 efficient hot water systems installed in Leichhardt, combining heat pump and solar hot water installations. Installations picked up around 2009–2011, with 39 and 47 systems in 2009 and 2010, and have stayed steady with regular installs through to 2025. This trend shows growing local interest in electrification, hot water nsw upgrades and lower running costs, as more residents look at heat pump vs solar hot water and even solar hot water vs electric hot water to decide what suits their property.
Hot Water Rebates, Tariffs & Savings
Right now there is strong interest in replacing old gas hot water with a heat pump hot water system or solar hot water system in Leichhardt, and some households are choosing a highly efficient electric hot water system instead. Australian Government incentives like Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as a solar hot water rebate or heat pump hot water rebate that reduces the upfront hot water system price or cost. NSW programs can also support efficient upgrades, and there are options that work much like an electric hot water system rebate when you switch from gas.
With these incentives, the heat pump hot water price or cost or solar hot water price or cost can drop by a substantial percentage, cutting payback times to just a few years in some cases. Combine that with timers, smart controls or solar‑diversion and you can squeeze even more value from your energy efficient hot water system. For many Leichhardt homes, a well‑designed rheem solar hot water, sanden heat pump or similar best heat pump hot water system can save hundreds of dollars per year and make future solar hot water tank replacement more straightforward.
If you live in Leichhardt and your current unit is ageing, noisy or unreliable, it is a good time to check whether a hot water upgrade makes sense. Whether you are comparing electric hot water vs gas hot water, weighing up heat pump vs solar hot water, or simply need fast hot water repair or solar hot water repair, working with experienced local installers is essential. With strong solar potential, high energy awareness and growing interest in sustainability, Leichhardt is well placed to benefit from modern hot water nsw solutions and hot water rebate nsw programs. Talk with trusted local hot water specialists for personalised advice on the right hot water system, hot water installation and hot water repair options to cut bills, reduce emissions and future‑proof your home or business.