Hot Water Systems in Wallan
The 3756 postcode, covering Wallan, Chintin, Darraweit Guim, Hidden Valley, Upper Plenty and Wallan East and surrounding areas, is home to around 5,456 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 Wallan and the 3756 area, 3,116 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 Wallan's climate delivering an average of 4.3 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 3756
23rd
State Wide
50th
Australia Wide
Hot Water Installation Wallan
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 Wallan
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWallan
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 Wallan
Compare heat pump hot water systems suitable for Wallan'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 - Wallan, 3756
Hot Water Demographics - Wallan
Based on the Australian Bureau of Statistics 2021 Census (ABS), Wallan has around 5,456 private dwellings, home to approximately 15,118 people. With an average household size of 2.9 people, and around 50 litres of hot water used per person each day in Australia, Wallan households use approximately 145 litres of hot water daily, equating to a massive 0.8 million litres of hot water used across the suburb every single day.
Other census insights reinforce Wallan's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Wallan community is home to 1,657 couple families with children and 397 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,937 homes owned with a mortgage and 1,038 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.
Wallan is converting hot water demand to efficient systems faster than many peers, with 57.1% of dwellings already upgraded.
Hot water systems in Wallan
In Wallan, more households are rethinking their old gas and electric hot water system and switching to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With an average household size of around 2.9 people and more than 5,100 occupied dwellings, reliable, affordable hot water is a big deal for local families. Power prices keep climbing, so upgrading to an energy efficient hot water system is a logical next step for many homeowners wanting to cut running costs.
Wallan’s climate is well suited to efficient hot water. The local weather station records mean daily solar exposure of about 15.4 MJ/m², which works out to roughly 4.3 kWh of solar energy per square metre each day across the year. That strong sunlight supports both heat pump hot water and solar hot water heating system performance, especially when paired with rooftop solar. With a relatively young median age of 33 and many homes owned with a mortgage, there is strong interest in long-term savings and future-proofing against rising gas prices.
Across the 3756 postcode, most dwellings are separate houses with three or four bedrooms, so hot water demand is often medium to high. That makes the choice of system size and type important when comparing heat pump vs solar hot water or even solar hot water vs electric hot water. A correctly sized heat pump hot water installation or solar hot water installation can handle busy family schedules while keeping bills in check. Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are popular for efficient upgrades, while Rheem solar hot water and Chromagen solar hot water are also common choices for a quality solar hot water tank replacement.
Recent years show strong growth in efficient hot water in Wallan. There have been 3,116 efficient hot water installations (heat pump and solar) recorded in the postcode, with steady increases from 2008 onwards and peak years around 2020–2022. That trend reflects growing local interest in electrification, lower running costs and moving away from gas hot water. Many homes are now pairing an energy efficient hot water system with solar, making the most of daytime generation and reducing grid reliance.
Typical bill savings in Wallan will vary with usage and tariffs, but realistic averages for a well-chosen upgrade are:
• Old electric to heat pump hot water system: $400–$800 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 installation with solar: $250–$500 per year
When comparing hot water system price or cost, it is worth looking beyond the sticker. Heat pump hot water price or cost can seem higher upfront, as can solar hot water price or cost, but Wallan homeowners can tap into a mix of Australian Government Small-scale Technology Certificates (STCs) and Victorian hot water rebate VIC programs. These heat pump hot water rebate and solar hot water rebate incentives can effectively cut the installed cost by a substantial percentage. There are also electric hot water system rebate options in some cases, especially when replacing inefficient systems as part of an all-electric home upgrade.
With the right advice, many Wallan homes see payback periods shrink to just a few years, particularly when combining rebates with rooftop solar and using timers or solar-diversion controls. That is why more locals are asking which option is the best hot water system Australia has for their needs, or narrowing it down to the best heat pump hot water system for their family size and budget.
If your current unit is ageing, noisy or costing a fortune to run, it may be time to look at an efficient hot water upgrade in Wallan. Whether you are weighing up electric hot water vs gas hot water, or deciding between heat pump vs solar hot water, experienced local installers can help you compare options, prices and savings. Talk with trusted hot water VIC specialists who know Wallan’s climate, tariffs and rebate programs, and get personalised advice on the most efficient hot water system to reduce bills, cut emissions and future-proof your home. Reach out today to check if your place is ready for a smarter hot water installation or hot water repair that will serve you well for years to come.