Hot Water Systems in Yerra
The 4650 postcode, covering Yerra, Aubinville, Baddow, Big Tuan, Glendorf, Hillcrest Heights, Little Tuan, Maryborough Dc, Aldershot, Antigua, Bauple, Bauple Forest, Beaver Rock, Bidwill, Boonooroo, Boonooroo Plains, Duckinwilla, Dundathu, Dunmora, Ferney, Glenorchy, Gootchie, Grahams Creek, Granville, Gundiah, Island Plantation, Maaroom, Magnolia, Maryborough, Maryborough West, Mount Steadman, Mount Urah, Mungar, Netherby, Oakhurst, Owanyilla, Pallas Street Maryborough, Pilerwa, Pioneers Rest, Poona, Prawle, St Helens, St Mary, Talegalla Weir, Tandora, Teddington, The Dimonds, Thinoomba, Tiaro, Tinana, Tinana South, Tinnanbar, Tuan, Tuan Forest, Walkers Point and Yengarie and surrounding areas, is home to around 15,222 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 Yerra and the 4650 area, 2,984 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 Yerra's climate delivering an average of 5.2 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 4650
11th
State Wide
57th
Australia Wide
Hot Water Installation Yerra
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 Yerra
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterYerra
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 Yerra
Compare heat pump hot water systems suitable for Yerra'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 - Yerra, 4650
Hot Water Demographics - Yerra
Based on the Australian Bureau of Statistics 2021 Census (ABS), Yerra has around 15,222 private dwellings, home to approximately 31,346 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Yerra households use approximately 115 litres of hot water daily, equating to a massive 1.8 million litres of hot water used across the suburb every single day.
Other census insights reinforce Yerra's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Yerra community is home to 1,851 couple families with children and 914 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,916 homes owned with a mortgage and 5,915 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.
Yerra is converting hot water demand to efficient systems faster than many peers, with 19.6% of dwellings already upgraded.
Hot water systems in Yerra
Across Yerra and the wider 4650 area, more households are rethinking their hot water system and moving away from older gas and power‑hungry electric units. With an average household size of around 2.3 people and more than 13,600 occupied dwellings, steady hot water demand plus rising energy costs make efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system a smart upgrade. Many locals are on fixed incomes, with median household income just over $1,000 a week, so cutting running costs without sacrificing comfort really matters.
Yerra’s climate is ideal for efficient hot water. The nearby Mungar Junction weather station records about 18.9 MJ/m² of solar exposure a day on average – roughly 5.25 kWh/m²/day – which is excellent for both a solar hot water heating system and a heat pump hot water system that draws warmth from the air. When you combine that sunshine with the high proportion of separate houses (over 12,000 in the postcode), upgrading from old gas or off‑peak electric to an energy efficient hot water system is a logical next step. Many homeowners are already seeing strong Annual Hot Water Energy Savings by switching to the most efficient hot water system they can fit and afford.
In the 4650 region, average household size and a relatively older population mean reliable, low‑maintenance hot water is crucial. Hot water energy use can be one of the biggest loads in a smaller home, so choosing between heat pump vs solar hot water or even a well‑sized electric hot water system with rooftop solar makes a real difference. Popular brands around Yerra include Rheem solar hot water and Rheem heat pump hot water units, along with premium options like Sanden heat pump systems and Rinnai solar hot water and electric models. These are often shortlisted when people search for the best hot water system Australia offers or the best heat pump hot water system for local conditions.
Typical hot water installation choices include full solar hot water installation with a roof collector and solar hot water tank replacement, heat pump hot water installation on an outdoor slab, or electric hot water installation paired with existing rooftop solar. Many homes are also comparing solar hot water vs electric hot water and electric hot water vs gas hot water to decide which path suits their roof space, budget and tariff. When you factor in hot water system price, heat pump hot water price and solar hot water price, the picture improves quickly once you add rebates, lower bills and fewer hot water repair call‑outs over time.
In Yerra and the 4650 postcode, there have already been 2,984 efficient hot water systems installed, covering both heat pump and solar hot water systems. Installations grew strongly from the early 2000s, with noticeable jumps around 2007–2010, and another surge recently: 2023 saw 202 installs and 2024 added 163, with more already in 2025. This steady growth in hot water qld upgrades shows locals are serious about electrification, lower running costs and getting ahead of future gas changes.
Hot Water Rebates, Tariffs & Savings
Across Yerra, interest is growing in replacing old gas or electric units with efficient options such as a heat pump hot water system, a modern electric hot water system or a solar hot water system. Australian Government Small‑scale Technology Certificates (STCs) can cut the upfront hot water system cost for eligible heat pump and solar hot water systems, while Queensland hot water rebate qld programs and occasional electric hot water system rebate offers further reduce the heat pump hot water price or solar hot water price. For many Yerra homes, these discounts can trim the system cost by a substantial percentage. Combine that with hundreds of dollars a year off power bills and the payback period for a quality energy efficient hot water system can shrink to just a few years, especially if you use timers or solar diversion so your hot water system runs mainly on your own rooftop solar.
Here are some typical annual bill savings Yerra households might see with the right hot water installation:
• Old electric to heat pump hot water system: $400–$800 per year • Gas to heat pump hot water system: $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
If your current unit is ageing, noisy or needing regular hot water repair, it may be the perfect time to compare options like chromagen solar hot water, rinnai solar hot water, rheem solar hot water or a premium sanden heat pump and decide which is the most efficient hot water system for your household.
If you live in Yerra and want to future‑proof your home, now is a great time to see if a hot water upgrade makes sense, whether that means switching from gas to a heat pump, choosing solar hot water, or installing a modern electric hot water system that works with your solar. Talk with experienced local hot water installers like us – heat pump and solar hot water specialists – to tap into Yerra’s strong solar exposure, reduce your bills, cut emissions and get a reliable system sized properly for your family. Reach out for personalised advice and connect with trusted local experts who understand hot water systems Yerra homes can rely on for years to come.