Hot Water Systems in Glen Iris
The 3146 postcode, covering Glen Iris and Tooronga and surrounding areas, is home to around 11,001 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 Glen Iris and the 3146 area, 648 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 Glen Iris'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 3146
119th
State Wide
468th
Australia Wide
Hot Water Installation Glen Iris
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 Glen Iris
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterGlen Iris
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 Glen Iris
Compare heat pump hot water systems suitable for Glen Iris'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 - Glen Iris, 3146
Hot Water Demographics - Glen Iris
Based on the Australian Bureau of Statistics 2021 Census (ABS), Glen Iris has around 11,001 private dwellings, home to approximately 25,043 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Glen Iris households use approximately 125 litres of hot water daily, equating to a massive 1.4 million litres of hot water used across the suburb every single day.
Other census insights reinforce Glen Iris's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Glen Iris community is home to 2,321 couple families with children and 316 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,262 homes owned with a mortgage and 3,663 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.
Glen Iris is converting hot water demand to efficient systems faster than many peers, with 5.9% of dwellings already upgraded.
Hot water systems in Glen Iris
Across Glen Iris, more homeowners are moving away from old gas and power‑hungry electric units towards an energy efficient hot water system that suits modern living. With around 9,894 occupied dwellings and an average household size of 2.5 people, hot water demand is steady, especially for busy families and professionals. Power prices keep rising, so upgrading your hot water system is a simple way to cut running costs while keeping showers comfortable.
Glen Iris enjoys strong sunshine, with average solar exposure of about 15.1 MJ/m² per day – roughly 4.2 kWh/m²/day – which is ideal for both a solar hot water system and a quality heat pump hot water system. Many homes are owned outright or with a mortgage, and with median household income around $2,491 per week, investing in long‑term savings from an energy efficient hot water system makes sense. Swapping from older gas or resistive electric hot water to a modern heat pump hot water system, solar hot water heating system or efficient electric hot water system can deliver substantial annual hot water energy savings for Glen Iris households.
In 3146, most detached homes and townhouses have space for a solar hot water installation or an outdoor heat pump hot water installation, while many apartments can still benefit from compact electric hot water installation options. Hot water use is a major chunk of household energy, so choosing the best hot water system Australia can offer for your needs – whether that is heat pump vs solar hot water, or solar hot water vs electric hot water – has a real impact on bills and emissions. Brands like Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and premium Sanden heat pump units are all popular locally, alongside other efficient systems that aim to be the most efficient hot water system for your situation.
Typical savings for Glen Iris homes can look like:
• Replacing an old electric hot water system with a heat pump hot water system: save around $400–$800 per year. • Switching from gas hot water to a heat pump hot water system: save roughly $300–$600 per year. • Going from gas to a solar hot water system: save about $250–$550 per year. • Upgrading an old electric unit to a modern electric hot water system with rooftop solar: save around $300–$700 per year.
Recent efficient hot water installation data shows this shift is already underway. There have been 648 efficient hot water systems installed in Glen Iris, combining heat pump and solar hot water installation work. Installations first ramped up in the late 2000s, peaking with strong years like 2009, 2015 and 2018, and there has been steady interest right through to 2024 and 2025. This trend reflects growing local interest in electrification, lower running costs and cleaner hot water VIC wide.
Hot Water Rebates, Tariffs & Savings
Across Glen Iris, more residents are replacing ageing gas or electric units with efficient options such as a new heat pump hot water system, modern electric hot water system or a well‑designed solar hot water heating system. Australian Government Small‑scale Technology Certificates (STCs) can cut the upfront solar hot water price / cost or heat pump hot water price / cost, while Victorian schemes often add a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate on top. These hot water rebate VIC programs can effectively reduce system cost by a substantial percentage, especially when combined with retailer discounts.
For many Glen Iris homes, an efficient upgrade can trim hundreds of dollars per year from bills, and payback periods shorten even further when you pair your system with rooftop solar or use timers and solar‑diversion to heat water when your panels are producing. Whether you are looking at solar hot water price / cost, comparing heat pump hot water price / cost, or planning a solar hot water tank replacement and solar hot water repair, it pays to understand the incentives on offer.
If you are in Glen Iris and your current unit is older, noisy or unreliable, now is a smart time to review your options – from electric hot water vs gas hot water, to heat pump vs solar hot water and even solar hot water vs electric hot water with solar. Talk with experienced hot water installers like us who specialise in heat pump hot water installation, solar hot water installation, electric hot water installation and hot water repair. With Glen Iris’ strong solar resource and growing focus on sustainability, an efficient hot water system can help reduce bills, cut emissions and future‑proof your home. Connect with trusted local experts for personalised advice on the right hot water system VIC homeowners can rely on for years to come.