Hot Water Systems in Coalville
The 3825 postcode, covering Coalville, Thaloo, Aberfeldy, Amor, Boola, Caringal, Coopers Creek, Erica, Fumina, Fumina South, Hernes Oak, Hill End, Jacob Creek, Jericho, Moe, Moe South, Moondarra, Newborough, Newborough East, Rawson, Tanjil, Tanjil South, Thalloo, Thomson, Toombon, Walhalla, Walhalla East, Westbury, Willow Grove, Yallourn and Yallourn North and surrounding areas, is home to around 9,793 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 Coalville and the 3825 area, 1,023 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 Coalville's climate delivering an average of 4.0 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 3825
79th
State Wide
289th
Australia Wide
Hot Water Installation Coalville
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 Coalville
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterCoalville
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 Coalville
Compare heat pump hot water systems suitable for Coalville'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 - Coalville, 3825
Hot Water Demographics - Coalville
Based on the Australian Bureau of Statistics 2021 Census (ABS), Coalville has around 9,793 private dwellings, home to approximately 19,208 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Coalville households use approximately 110 litres of hot water daily, equating to a massive 1.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Coalville's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Coalville community is home to 1,193 couple families with children and 631 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,685 homes owned with a mortgage and 3,383 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.
Coalville is converting hot water demand to efficient systems faster than many peers, with 10.4% of dwellings already upgraded.
Hot water systems in Coalville
Across Coalville and the wider 3825 area, more households are moving away from old gas and power‑hungry electric units towards energy efficient hot water systems. With around 8,700 occupied dwellings and an average household size of 2.2 people, a reliable, low‑running‑cost hot water system is a big deal for family budgets. Many homes are owned outright or with a mortgage, so upgrading from older gas or electric hot water to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step.
Coalville enjoys strong sunlight for Victoria, with mean daily solar exposure of about 14.4 MJ/m² – roughly 4 kWh/m² per day across the year. That steady sunshine helps both a solar hot water heating system and a quality heat pump hot water system perform well, slashing the energy needed for showers, dishwashers and laundries. With median household income around $1,073 a week and many residents on fixed or modest incomes, the annual hot water energy savings from upgrading can make a real difference to bills.
In a postcode where three‑bedroom homes are the norm and hot water demand is steady, choosing the right system size matters. Many Coalville homes are switching from old electric hot water to a high‑efficiency heat pump, or from gas to a roof‑mounted solar hot water installation backed up by electricity. Brands like Rheem heat pump hot water, Rinnai solar hot water, Sanden heat pump and Chromagen solar hot water are common choices for those chasing the most efficient hot water system and a long warranty. For some, a modern, well‑insulated electric hot water system paired with rooftop solar is still the best hot water system Australia can offer for their budget.
Typical savings in Coalville look like this:
• Old electric to heat pump hot water installation: about $350–$700 a year off bills. • Gas to heat pump hot water: roughly $250–$600 a year. • Gas to solar hot water installation: often $300–$650 a year. • Old electric to new electric hot water installation with solar: about $200–$500 a year.
Local data shows this shift is already well under way. There have been 1,023 efficient hot water installations (heat pump and solar) recorded in the 3825 postcode. From just a handful of systems in the early 2000s, numbers jumped sharply from 2007–2011, then held steady before rising again. Recent years have been particularly strong, with installations peaking around 2022–2024. This steady growth shows Coalville households are serious about electrification, lower running costs and energy efficient hot water.
Hot Water Rebates, Tariffs & Savings
With energy prices rising, hot water VIC customers in Coalville are keen to replace old gas or electric hot water with efficient options. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the upfront solar hot water price / cost or heat pump hot water price / cost. On top of that, state heat pump hot water rebate and solar hot water rebate programs, plus an electric hot water system rebate in some cases, can cut the installed hot water system price by a substantial percentage.
For many homes, that means a quality Rheem solar hot water, Rinnai solar hot water or Sanden heat pump can pay for itself in just a few years, especially when paired with rooftop solar and smart timers that run the system in the middle of the day. Choosing heat pump vs solar hot water, or solar hot water vs electric hot water, depends on your roof space, budget and whether you are moving to an all‑electric home. Either way, an energy efficient hot water system can trim hundreds of dollars a year from bills. And if something goes wrong, local hot water repair and solar hot water repair specialists can keep your system running at its best, including solar hot water tank replacement when older tanks finally give up.
If you are weighing up electric hot water vs gas hot water, comparing solar hot water price / cost, or simply wondering which is the best heat pump hot water system for your Coalville property, now is a smart time to act. With generous hot water rebate VIC programs, strong local solar conditions and growing interest in sustainability, upgrading your hot water system can cut emissions, reduce bills and future‑proof your home. Talk with experienced local installers for hot water installation and hot water repair, and get personalised advice on the right hot water systems Coalville homes and businesses can rely on for years to come.