Hot Water in Brentford Square, VIC

Hot Water Systems in Brentford Square

The 3131 postcode, covering Brentford Square, Forest Hill and Nunawading and surrounding areas, is home to around 9,267 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 Brentford Square and the 3131 area, 757 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 Brentford Square's climate delivering an average of 4.1 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.

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Hot Water Ranking

Postcode 3131

101st

State Wide

401st

Australia Wide

Hot Water Installation Brentford Square

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 Brentford Square

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

Solar Powered Hot WaterBrentford Square

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 Brentford Square

Compare heat pump hot water systems suitable for Brentford Square'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 - Brentford Square, 3131

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Hot Water Demographics - Brentford Square

Based on the Australian Bureau of Statistics 2021 Census (ABS), Brentford Square has around 9,267 private dwellings, home to approximately 21,908 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Brentford Square households use approximately 125 litres of hot water daily, equating to a massive 1.2 million litres of hot water used across the suburb every single day.

Other census insights reinforce Brentford Square's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Brentford Square community is home to 2,051 couple families with children and 303 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,918 homes owned with a mortgage and 3,012 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.

Brentford Square is converting hot water demand to efficient systems faster than many peers, with 8.2% of dwellings already upgraded.

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Hot water systems in Brentford Square

Across Brentford Square and the wider 3131 area, more households are swapping old gas and ageing electric units for an energy efficient hot water system. With an average household size of around 2.5 people and more than 6,000 separate houses, there is strong demand for reliable hot water that does not send power bills through the roof. Rising energy prices and solid median household incomes mean many local families are now seeing a heat pump hot water system, solar hot water system or modern electric hot water system as the logical next upgrade.

The local climate helps. The Mitcham weather station records mean daily solar exposure of about 14.7 MJ/m², which is roughly 4.1 kWh of sun per square metre per day over the year. That level of sunlight is ideal for a solar hot water heating system or a high quality heat pump hot water system that can pull renewable heat from the air. For Brentford Square homeowners working hard to cover a typical mortgage of around $2,167 a month, shifting hot water – usually one of the biggest energy users in the home – onto an energy efficient hot water system can unlock meaningful annual savings.

In the 3131 postcode, we are seeing more efficient hot water systems installed every year, especially in family homes with three or four bedrooms and steady hot water demand. Many households are asking about heat pump vs solar hot water, or solar hot water vs electric hot water, to find the most efficient hot water system for their roof space, budget and tariff. Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are common choices locally, alongside options such as Thermann for both solar and electric hot water installation.

Typical annual bill savings in Brentford Square can look like:

  • Old electric to heat pump hot water system: save roughly $400–$800 per year
  • Gas to heat pump hot water system: save roughly $300–$600 per year
  • Gas to solar hot water system: save roughly $250–$550 per year
  • Old electric to modern electric hot water system with solar: save roughly $250–$500 per year

Over time, these savings often outweigh the hot water system price / cost, especially once you factor in a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate. Many locals also ask about the best hot water system Australia offers for colder winter mornings; premium systems like Sanden heat pump and quality rheem solar hot water or chromagen solar hot water units perform strongly even when the temperature drops.

Recent installs in Brentford Square tell the story. There have been 757 efficient hot water installations (heat pump and solar hot water installation combined) recorded in the 3131 postcode. After just a handful of systems in the early 2000s, installations jumped sharply around 2009, then stayed steady through the 2010s. In 2018 there were 56 systems installed, 48 in 2019 and 33 in 2020. While 2021 dipped slightly, 2022 and 2024 bounced back to 34 and 33 installs, and 2025 is tracking strongly with 69 systems already recorded. This trend shows growing local interest in electrification, lower running costs and hot water repair or solar hot water repair that upgrades old units rather than simply replacing like-for-like.

Hot Water Rebates, Tariffs & Savings

Homeowners in Brentford Square are increasingly replacing gas hot water with a heat pump hot water system or solar hot water system, or upgrading to a more efficient electric hot water system to suit an all‑electric home. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively cutting the solar hot water price / cost or heat pump hot water price / cost at the point of sale. Victoria also offers state‑based hot water rebate VIC programs for efficient units, which can further reduce the upfront hot water system price / cost by a substantial percentage.

For many 3131 households, these rebates mean an efficient energy efficient hot water system can pay for itself in just a few years, especially when paired with rooftop solar and smart controls. Using timers or solar‑diversion so your electric hot water system or rheem solar hot water tank replacement heats mainly during sunny hours can trim hundreds of dollars a year from bills. When you combine a hot water rebate VIC with lower running costs, the payback period on a quality heat pump or solar hot water heating system can be cut significantly.

If you live in Brentford Square and your current unit is more than 10 years old, noisy, running out of hot water or costing a fortune to run, it is a good time to check whether your home is ready for a hot water upgrade. Whether you are comparing electric hot water vs gas hot water, looking for the best heat pump hot water system, or planning a full solar hot water installation, working with experienced hot water installers who specialise in hot water VIC systems is essential. With strong local interest in sustainability and a solid solar resource, efficient hot water systems can help you reduce bills, cut emissions and future‑proof your home. Connect with our trusted local experts for personalised advice on the right hot water installation or hot water repair option for your place in Brentford Square.

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