Hot Water Systems in Millgrove
The 3799 postcode, covering Millgrove, Big Pats Creek, East Warburton, Mcmahons Creek, Reefton, Warburton and Wesburn and surrounding areas, is home to around 2,754 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 Millgrove and the 3799 area, 116 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 Millgrove's climate delivering an average of 3.9 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 3799
353rd
State Wide
1338th
Australia Wide
Hot Water Installation Millgrove
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 Millgrove
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMillgrove
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.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for Millgrove
Compare heat pump hot water systems suitable for Millgrove'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 - Millgrove, 3799
Hot Water Demographics - Millgrove
Based on the Australian Bureau of Statistics 2021 Census (ABS), Millgrove has around 2,754 private dwellings, home to approximately 5,229 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Millgrove households use approximately 115 litres of hot water daily, equating to a massive 0.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Millgrove's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Millgrove community is home to 348 couple families with children and 167 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,041 homes owned with a mortgage and 875 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.
Millgrove is converting hot water demand to efficient systems faster than many peers, with 4.2% of dwellings already upgraded.
Hot water systems in Millgrove
Across Millgrove and the 3799 postcode, more locals are swapping old gas and power‑hungry electric units for an energy efficient hot water system that actually suits how they live. With around 2,315 dwellings, an average household size of 2.3 people and many families and downsizers watching every dollar, upgrading your hot water system is one of the simplest ways to cut bills without sacrificing comfort.
Millgrove’s climate is better for modern hot water than many people realise. The nearby Warburton weather station records an average annual solar exposure of about 14.1 MJ/m² a day – roughly 3.9 kWh/m² – which is solid for both a solar hot water system and a heat pump hot water system. That means a well‑designed solar hot water heating system or Sanden heat pump can do a lot of the heavy lifting, leaving your backup element or booster to do less work and saving you money year‑round.
With median household income around $1,226 a week and mortgages and rents to juggle, Millgrove homeowners are understandably looking for upgrades that pay their way. Hot water typically uses 20–30% of a home’s energy, so moving from old gas or an ageing electric hot water system to a modern heat pump or solar hot water vs electric hot water setup can deliver big annual hot water energy savings. Many locals are choosing all‑electric homes, pairing solar PV with a heat pump hot water installation or solar hot water installation so showers and laundry are largely powered by the sun.
In 3799 there are already 116 efficient hot water systems installed – mainly heat pump and solar hot water systems – and the trend really picked up from 2005 through 2011, when installations peaked at 16 systems in 2009 and 12 a year in both 2010 and 2011. While recent years show a steadier trickle, it reflects a growing base of households who have already embraced electrification, lower running costs and the most efficient hot water system they can afford. Brands like Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and premium options such as a Sanden heat pump are common choices for Millgrove homes looking for the best heat pump hot water system or best hot water system Australia can offer in this climate.
For a typical Millgrove home, the right upgrade can trim a big chunk off power bills. Indicative annual savings are:
• Old electric to heat pump hot water system: $450–$900 per year • Gas to heat pump hot water: $300–$700 per year • Gas to solar hot water system: $250–$650 per year • Old electric to modern electric hot water installation with rooftop solar: $250–$600 per year
Actual hot water system price / cost will depend on the size of your household (most local homes have 3–4 bedrooms), your roof space and whether you need a solar hot water tank replacement or a full changeover. We regularly see Millgrove households weighing up heat pump vs solar hot water, or solar hot water vs electric hot water, and sometimes choosing a high‑efficiency electric hot water installation as a stepping stone away from gas.
Hot water rebates, tariffs & savings
Across VIC, interest in hot water VIC upgrades is climbing as energy prices rise and more people want to move off gas. Millgrove homeowners can usually tap into a mix of Australian Government incentives and state‑based support when they install an energy efficient hot water system. Small‑scale Technology Certificates (STCs) effectively act as a federal solar hot water rebate or heat pump discount, reducing the upfront heat pump hot water price / cost or solar hot water price / cost at the point of sale. On top of that, the Victorian energy efficiency schemes often provide a specific heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate when you replace an old, inefficient unit.
When you stack these hot water rebate VIC programs together, it is common for the out‑of‑pocket hot water system cost to drop by 30–50%. That can turn a payback period of 8–10 years into something closer to 3–6 years, especially if you also have solar and use timers or smart controls to run your heat pump hot water when the sun is shining. Add in lower maintenance and fewer surprise hot water repair bills compared to old storage units, and it starts to look like a very practical upgrade.
If your current unit is more than 10 years old, running on gas, or needing regular hot water repair call‑outs, it is worth checking whether a modern heat pump, solar hot water system or efficient electric hot water system could suit your Millgrove home. Working with experienced hot water installers like us means your heat pump hot water installation, solar hot water repair or solar hot water tank replacement is sized correctly, installed safely and set up on the right tariff. With Millgrove’s growing interest in sustainability and solid solar resource, an energy efficient hot water system is a smart way to cut emissions, future‑proof your home and keep more money in your pocket. Reach out to our trusted local experts for personalised advice on the best option for your place and budget.