Hot Water Systems in Highgate
The 5063 postcode, covering Highgate, Eastwood, Frewville, Fullarton and Parkside and surrounding areas, is home to around 5,635 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 Highgate and the 5063 area, 171 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 Highgate's climate delivering an average of 4.7 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 5063
95th
State Wide
1110th
Australia Wide
Hot Water Installation Highgate
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 Highgate
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterHighgate
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 Highgate
Compare heat pump hot water systems suitable for Highgate'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 - Highgate, 5063
Hot Water Demographics - Highgate
Based on the Australian Bureau of Statistics 2021 Census (ABS), Highgate has around 5,635 private dwellings, home to approximately 11,899 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Highgate households use approximately 115 litres of hot water daily, equating to a massive 0.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce Highgate's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Highgate community is home to 1,017 couple families with children and 230 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,455 homes owned with a mortgage and 1,717 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.
Highgate is converting hot water demand to efficient systems faster than many peers, with 3.0% of dwellings already upgraded.
Hot water systems in Highgate
In Highgate, more households are rethinking their old gas or electric hot water system and switching to energy efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. With an average household size of 2.3 people and more than 5,100 dwellings across 5063, there is steady demand for reliable, affordable hot water that does not send the power bill through the roof.
Highgate’s mix of family homes and apartments, plus a median household income around $1,900 a week, means many owners are in a good position to upgrade before their current unit fails. Locals are also very aware of energy prices. Hot water can be one of the biggest loads in the home, so moving to the most efficient hot water system is a logical next step after installing solar or tightening up insulation. At the nearby Waite Institute weather station, the mean daily solar exposure averages about 17 MJ/m², or roughly 4.7 kWh/m² per day, which is excellent for a solar hot water heating system and supports strong performance from a quality heat pump hot water system as well.
Around 5063 you will see a mix of brands like Rheem heat pump hot water units, Rheem solar hot water, Rinnai solar hot water and premium Sanden heat pump systems on established homes and renovations. These sit alongside newer electric hot water installations that pair with rooftop solar to create a truly energy efficient hot water system. For many households comparing heat pump vs solar hot water, the decision comes down to roof space, budget and whether you already have a good solar array.
Across the postcode there have been 171 efficient hot water installations recorded, combining heat pump hot water installation and solar hot water installation. Installations picked up from the early 2000s, with strong years around 2007–2011, and a steady trickle of systems going in right through to 2024. This long-term trend shows growing local interest in electrification, lower running costs and getting away from ageing gas hot water where possible. As more homes add solar, the attraction of solar hot water vs electric hot water on a standard tariff keeps increasing.
When you look at hot water system price or cost, it is worth weighing up the long-term savings. In Highgate SA, a typical upgrade might deliver average annual bill reductions such as:
• Old electric to heat pump: $350–$700 per year • Gas to heat pump: $250–$500 per year • Gas to solar hot water: $200–$450 per year • Old electric to modern electric with solar: $200–$400 per year
The best hot water system Australia for your home will depend on your roof, space, budget and whether you are planning an all electric home. Many locals find the best heat pump hot water system offers the lowest running costs, especially when combined with solar. Others prefer a roof-mounted chromagen solar hot water or similar setup, with a ground tank for easy solar hot water tank replacement and simple solar hot water repair if anything goes wrong.
Hot water repair and replacement is also the time to look closely at rebates. For hot water SA homeowners, there are Australian Government Small-scale Technology Certificates (STCs) plus state-based schemes that effectively work as a solar hot water rebate or heat pump hot water rebate. There may also be an electric hot water system rebate for certain efficient models. These hot water rebate SA incentives can cut the upfront heat pump hot water price or cost, or solar hot water price or cost, by a substantial percentage. When you combine rebates with a decent solar system, the payback period on a new hot water installation can drop to just a few years, especially if you use timers or solar diversion to run your system when the sun is shining.
If you are comparing electric hot water vs gas hot water, or weighing up heat pump vs solar hot water, it pays to get tailored advice. Highgate has strong solar potential, a community that cares about sustainability, and many homes ready for a cost-cutting hot water upgrade. If your unit is older, noisy or struggling, now is a good time to explore options like a Sanden heat pump, Rheem solar hot water or efficient electric hot water installation with smart controls. Talk with experienced local hot water installers and repair specialists who understand hot water SA conditions, can guide you through the latest hot water rebate SA programs, and help you choose an energy efficient hot water system that reduces bills, cuts emissions and future proofs your Highgate home—then connect with our trusted team for personalised advice and a clear, no-nonsense quote.