Hot Water in Somerville, VIC

Hot Water Systems in Somerville

The 3912 postcode, covering Somerville and Pearcedale and surrounding areas, is home to around 5,851 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 Somerville and the 3912 area, 551 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 Somerville'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.

Icon

Hot Water Ranking

Postcode 3912

148th

State Wide

531st

Australia Wide

Hot Water Installation Somerville

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 Somerville

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterSomerville

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.

Financial Ad Icon

Want Solar Finance Options?

Compare lenders and get tailored loan offers.

Heat Pump Hot Water Systems for Somerville

Compare heat pump hot water systems suitable for Somerville'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 - Somerville, 3912

Icon

Hot Water Demographics - Somerville

Based on the Australian Bureau of Statistics 2021 Census (ABS), Somerville has around 5,851 private dwellings, home to approximately 14,873 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Somerville households use approximately 135 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 Somerville's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Somerville community is home to 1,314 couple families with children and 299 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,701 homes owned with a mortgage and 1,867 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.

Somerville is converting hot water demand to efficient systems faster than many peers, with 9.4% of dwellings already upgraded.

Icon

Hot water systems in Somerville

Across Somerville, more homeowners are rethinking their old gas and electric hot water system and moving to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With around 5,596 occupied dwellings and an average household size of 2.7 people, hot water is a big chunk of energy use – and a big opportunity for savings. Many households are still paying off mortgages, with a median monthly repayment of about $1,896, so cutting running costs without sacrificing comfort simply makes sense.

Somerville’s climate is well suited to efficient hot water. Nearby Moorooduc records an average annual solar exposure of about 15.1 MJ/m² per day – roughly 4.2 kWh/m² per day – which is solid for both a solar hot water heating system and a high-performance heat pump hot water system. When you combine that with a decent proportion of homes already running rooftop solar, upgrading from older gas or resistive electric units to an energy efficient hot water system is a logical next step. Many families here can shave hundreds of dollars off their annual bills, especially if they time hot water use to match solar generation.

In postcode 3912, most residents live in separate houses with three or four bedrooms, so hot water demand is steady across the year. Families with kids, plus a growing number of older residents over 65, need reliable and affordable hot water. A well-sized heat pump hot water installation or solar hot water installation can often cover the bulk of a typical family’s needs while using far less electricity than an old tank. For some households, a modern electric hot water installation paired with solar PV is also a smart upgrade, especially when comparing solar hot water vs electric hot water on overall cost and roof space.

Typical annual bill savings in Somerville for a standard family home can look like:

• Old electric to heat pump hot water system: $400–$900 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 with solar: $250–$500 per year

Brands like Rheem, Rinnai, Sanden and Thermann are common choices locally, with options ranging from rheem solar hot water and rinnai solar hot water through to rheem heat pump hot water and premium systems like a sanden heat pump. Many locals ask which is the best hot water system Australia has to offer or the best heat pump hot water system for their home; the answer depends on roof space, budget, tariffs and whether you are going all-electric or keeping gas for now. For some, a chromagen solar hot water or similar system is ideal; others prefer a compact heat pump that runs quietly off cheap daytime solar.

Somerville has already seen 551 efficient hot water systems installed – a mix of heat pump and solar hot water. Installations really picked up around 2009 and 2014, with strong years again in 2020 and 2021. That trend shows more locals are interested in electrification, lower running costs and moving from electric hot water vs gas hot water towards cleaner options. As more residents add solar and consider solar hot water tank replacement or hot water repair, interest in the most efficient hot water system continues to grow.

Hot Water Rebates, Tariffs & Savings

Across VIC, including Somerville, there is strong interest in replacing old gas or electric units with efficient heat pump hot water, solar hot water or smarter electric systems. Federal incentives like Small-scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as a solar hot water rebate or heat pump hot water rebate that reduces the upfront solar hot water price / cost or heat pump hot water price / cost. On top of that, Victorian programs can offer extra support, sometimes including an electric hot water system rebate when you switch away from gas.

For many Somerville homes, these hot water rebate VIC options can cut the system cost by a substantial percentage, turning a long-term upgrade into a much quicker payback. With the right tariff, timers or solar-diversion controls, it is common to save hundreds of dollars per year and significantly shorten the payback period, especially when you combine an energy efficient hot water system with rooftop solar. Over time, that can make a real dent in household budgets while reducing emissions.

If your current unit is ageing, running out of hot water or needing frequent hot water repair, it is a good time to compare heat pump vs solar hot water and even solar hot water vs electric hot water to see what fits your home. Whether you are considering rheem solar hot water, rinnai solar hot water, rheem heat pump hot water, a sanden heat pump or another efficient option, it pays to get local advice on hot water VIC tariffs, solar hot water repair, solar hot water tank replacement and overall hot water system price / cost.

Ready to see if your Somerville home is set up for a smarter hot water upgrade? Whether you want to move off gas, cut bills or simply choose the most efficient hot water system for your family, talk with our experienced hot water installers. As local heat pump and solar hot water specialists, we can assess your roof, tariffs and energy goals, then recommend energy efficient hot water systems that reduce costs, cut emissions and future-proof your home—connect with us for personalised advice today.

Nearby Suburbs

See Also