Hot Water Systems in Long Forest
The 3340 postcode, covering Long Forest, Bacchus Marsh, Balliang, Balliang East, Coimadai, Darley, Glenmore, Hopetoun Park, Maddingley, Merrimu, Parwan, Rowsley and Staughton Vale and surrounding areas, is home to around 9,742 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 Long Forest and the 3340 area, 3,257 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 Long Forest's climate delivering an average of 4.2 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 3340
22nd
State Wide
45th
Australia Wide
Hot Water Installation Long Forest
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 Long Forest
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterLong Forest
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 Long Forest
Compare heat pump hot water systems suitable for Long Forest'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 - Long Forest, 3340
Hot Water Demographics - Long Forest
Based on the Australian Bureau of Statistics 2021 Census (ABS), Long Forest has around 9,742 private dwellings, home to approximately 24,180 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Long Forest households use approximately 135 litres of hot water daily, equating to a massive 1.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Long Forest's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Long Forest community is home to 2,293 couple families with children and 623 one-parent families, meaning a large proportion of households face substantial hot water demand. With 4,334 homes owned with a mortgage and 2,635 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.
Long Forest is converting hot water demand to efficient systems faster than many peers, with 33.4% of dwellings already upgraded.
Hot water systems in Long Forest
Across Long Forest and the wider 3340 area, more households are swapping old gas and electric units for an energy efficient hot water system that keeps bills down and comfort up. With an average household size of around 2.7 people and more than 9,000 dwellings in the postcode, reliable hot water is non‑negotiable – but so is managing running costs when the median mortgage is about $1,733 a month.
Long Forest is well suited to efficient hot water technology. The local solar exposure at nearby Merrimu Reservoir averages about 15 MJ/m² per day – roughly 4.2 kWh/m²/day – which is ideal for both a solar hot water system and a modern heat pump hot water system. For many homeowners who own outright or are paying off a mortgage, upgrading from an older gas or electric hot water system to a modern, energy efficient hot water system is the next logical step in cutting energy use. Over a year, that can mean substantial hot water energy savings without changing your daily routine.
In the 3340 postcode, detached homes dominate, with thousands of three and four‑bedroom houses that place steady demand on hot water for showers, washing and dishwashers. That makes choosing the right hot water system size and technology important – whether you are comparing heat pump vs solar hot water, or looking at solar hot water vs electric hot water. A typical family might use a 250–315 litre heat pump hot water system or solar hot water heating system, while a couple in a smaller home could be comfortable with a compact electric hot water system.
When you look at the numbers, efficient hot water really starts to add up. Here are realistic average annual bill savings when you pair quality hot water installation with the right technology:
• Old electric to heat pump hot water installation: $400–$800 per year • Gas to heat pump hot water system: $300–$600 per year • Gas to solar hot water installation: $250–$550 per year • Old electric to modern electric hot water installation with rooftop solar: $250–$500 per year
Brands like Rheem, Rinnai, Sanden and Thermann are popular in Long Forest for a reason. Rheem solar hot water and Rinnai solar hot water offer proven solar hot water tank replacement options, while Rheem heat pump hot water and Sanden heat pump units are often shortlisted when locals look for the best heat pump hot water system or simply the most efficient hot water system they can afford. Many households still choose a straightforward electric hot water installation, especially when they have a good‑sized solar PV system to offset daytime heating. For others, a solar hot water repair or hot water repair on an existing unit is enough to extend system life while they plan a future upgrade.
Recent years show how quickly Long Forest is embracing efficient hot water. There have already been 3,257 efficient hot water systems installed in the 3340 postcode, combining heat pump and solar hot water installations. Annual installations were just a handful in the early 2000s, but jumped sharply around 2009–2011, then again in 2018–2020 when heat pump hot water systems became more mainstream. Even in 2023 and 2024, with over 200 systems installed across those two years, the trend shows strong ongoing interest in electrification, lower running costs and cleaner hot water VIC wide.
Hot Water Rebates, Tariffs & Savings
With energy prices rising, it is no surprise more Long Forest households are moving from gas hot water to a heat pump hot water system, a solar hot water heating system or a high‑efficiency electric hot water system. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as an upfront discount. On top of that, state‑based hot water rebate VIC programs can offer a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some schemes. Together, these hot water rebate VIC options can reduce the effective hot water system price or cost by a substantial percentage.
When rebates are stacked with solar, the heat pump hot water price or cost or solar hot water price or cost can pay back in just a few years, especially if you use timers or solar diversion to run the system during the middle of the day. Typical savings from an efficient hot water upgrade are often in the hundreds of dollars a year, particularly when switching from older resistive electric hot water vs gas hot water to a modern energy efficient hot water system.
If you are in Long Forest and wondering whether to repair or replace, it is a good time to check if your home is ready for a hot water upgrade. Whether you are weighing heat pump vs solar hot water or comparing solar hot water vs electric hot water, working with experienced local hot water VIC installers – including heat pump and solar hot water specialists – helps you choose the best hot water system Australia has to offer for your needs. With growing interest in sustainability across Long Forest, an efficient hot water system can cut bills, reduce emissions and future‑proof your home. Connect with trusted local experts for personalised advice on hot water installation, hot water repair and the right rebates for your property.