Hot Water Systems in Johnsonville
The 3902 postcode, covering Johnsonville and Bumberrah and surrounding areas, is home to around 196 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 Johnsonville and the 3902 area, 53 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 Johnsonville'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 3902
456th
State Wide
1724th
Australia Wide
Hot Water Installation Johnsonville
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 Johnsonville
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterJohnsonville
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 Johnsonville
Compare heat pump hot water systems suitable for Johnsonville'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 - Johnsonville, 3902
Hot Water Demographics - Johnsonville
Based on the Australian Bureau of Statistics 2021 Census (ABS), Johnsonville has around 196 private dwellings, home to approximately 384 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Johnsonville households use approximately 110 litres of hot water daily, equating to a massive 0.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Johnsonville's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Johnsonville community is home to 21 couple families with children and 9 one-parent families, meaning a large proportion of households face substantial hot water demand. With 50 homes owned with a mortgage and 111 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.
Johnsonville is converting hot water demand to efficient systems faster than many peers, with 27.0% of dwellings already upgraded.
Hot water systems in Johnsonville
In Johnsonville, more locals are upgrading to an energy efficient hot water system to keep bills down and comfort up. With most homes being separate houses and many owned outright, it makes sense for homeowners to invest in long term savings. The average household size here is about 2.2 people, with a median age of 56, so reliable, low fuss hot water is a must for couples, retirees and small families alike.
Our coastal climate is ideal for efficient hot water. Nearby Metung records an average annual solar exposure of around 15.3 MJ/m² per day, which is roughly 4.25 kWh/m² of sunshine daily. That strong solar resource supports both a modern electric hot water system powered by rooftop solar and a dedicated solar hot water system or heat pump hot water system. Swapping an older gas or resistive electric unit for a heat pump or solar hot water heating system can slash your hot water energy use, which is often 20–30% of a home’s total, delivering meaningful Annual Hot Water Energy Savings for Johnsonville households.
With 172 occupied private dwellings and a high proportion owned outright or with a mortgage, many properties are at the perfect stage for a hot water upgrade. A three bedroom home with two to three occupants typically suits a 250–300L heat pump hot water installation or solar hot water installation, while larger four bedroom homes may step up to 300–315L. Brands like Sanden and Rheem heat pump hot water units are popular for ultra efficient operation, while Rheem solar hot water, Rinnai solar hot water and Chromagen solar hot water systems are common choices when people want to maximise use of the sun. For those staying with electricity only, a quality electric hot water installation can still be very efficient when paired with rooftop solar and smart timers.
Typical annual bill savings in Johnsonville for common upgrade paths are:
• Old electric to heat pump hot water system: $400–$900 per year • Gas to heat pump hot water: $300–$700 per year • Gas to solar hot water system: $250–$600 per year • Old electric to modern electric hot water with solar: $250–$500 per year
These savings depend on your hot water system price, tariff and usage, but they show why many locals now see heat pump vs solar hot water as a worthwhile comparison when their old unit fails.
In the 3902 postcode, there have already been 53 efficient hot water installations, combining heat pump hot water and solar hot water systems. Installations picked up from the mid 2000s, with notable years in 2005, 2009–2013 and another bump in 2022 and 2024. This steady trend shows growing interest in hot water VIC solutions that lower running costs, support all electric homes and make better use of local sunshine.
Hot Water Rebates, Tariffs & Savings
Across Victoria, more Johnsonville homeowners are moving away from gas hot water towards efficient options such as a heat pump hot water system, a modern electric hot water system or a solar hot water heating system. Federal incentives through Small scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively reducing the upfront solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of that, state based programs often provide a heat pump hot water rebate or solar hot water rebate, and in some cases an electric hot water system rebate when replacing old, inefficient units.
For hot water VIC customers in Johnsonville, these hot water rebate VIC options can cut the system cost by a substantial percentage, sometimes shaving thousands off a larger rheem solar hot water or sanden heat pump installation. Combine that with bill savings of hundreds of dollars per year and the payback period for the best heat pump hot water system or best hot water system Australia options can shorten dramatically. Using timers, smart controls or solar diversion to heat water during sunny hours further improves the economics of solar hot water vs electric hot water and electric hot water vs gas hot water, helping you run the most efficient hot water system possible.
If your current unit is ageing, running out of hot water or costing too much to run, it may be time to look at a hot water installation or hot water repair. Whether you need electric hot water installation, solar hot water tank replacement, solar hot water repair or a full heat pump hot water installation, choosing an energy efficient hot water system can future proof your Johnsonville home. With experienced hot water installers like us on your side, you can compare heat pump vs solar hot water, understand your hot water system price / cost and tap into every available hot water rebate VIC program. Reach out to our trusted local experts for personalised advice on hot water systems Johnsonville wide, and find the right solution to cut bills, reduce emissions and keep your household comfortable year round.