Hot Water Systems in Northgate
The 5085 postcode, covering Northgate, Clearview, Enfield, Enfield Plaza, Lightsview and Northfield and surrounding areas, is home to around 9,591 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 Northgate and the 5085 area, 572 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 Northgate's climate delivering an average of 4.8 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 5085
17th
State Wide
514th
Australia Wide
Hot Water Installation Northgate
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 Northgate
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterNorthgate
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 Northgate
Compare heat pump hot water systems suitable for Northgate'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 - Northgate, 5085
Hot Water Demographics - Northgate
Based on the Australian Bureau of Statistics 2021 Census (ABS), Northgate has around 9,591 private dwellings, home to approximately 22,967 people. With an average household size of 2.6 people, and around 50 litres of hot water used per person each day in Australia, Northgate households use approximately 130 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 Northgate's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Northgate community is home to 2,303 couple families with children and 508 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,619 homes owned with a mortgage and 1,735 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.
Northgate is converting hot water demand to efficient systems faster than many peers, with 6.0% of dwellings already upgraded.
Hot water systems in Northgate
Across Northgate, more households are rethinking their hot water system and moving away from old gas or power‑hungry electric units. With an average household size of around 2.6 people and more than 8,900 occupied dwellings in the 5085 postcode, reliable, energy efficient hot water is a big part of keeping family life running smoothly. Rising energy costs mean upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step for many owner‑occupiers and investors.
Northgate is well suited to efficient hot water technology. The local climate enjoys mean daily solar exposure of about 17.3 MJ/m², which works out to roughly 4.8 kWh of sunshine per square metre per day over the year. That strong solar resource helps a solar hot water heating system perform well and also boosts the efficiency of a heat pump hot water system, especially when it is timed to run during the sunniest parts of the day. With a relatively young median age of 34 and a solid median household income, many Northgate homeowners are looking for smart ways to cut running costs while future‑proofing their properties.
For a typical Northgate family, hot water can be one of the largest single electricity loads after heating and cooling. Choosing the most efficient hot water system for your home comes down to your roof space, budget, and whether you are planning an all‑electric home. A quality heat pump hot water installation can often deliver the most efficient hot water system for many suburban blocks, especially when paired with rooftop solar. A well‑designed solar hot water installation, using roof collectors and a well‑insulated solar hot water tank replacement, can also slash usage. Modern electric hot water installation, when combined with solar and smart timers, can still be an energy efficient hot water system and a big step up from older units.
In Northgate 5085, there is a clear trend towards efficient hot water. There have been 572 efficient hot water installations (heat pump and solar) recorded in the postcode, with strong growth between about 2010 and 2017, when yearly installations often sat between 48 and 68 systems. While numbers dipped more recently, interest is picking up again with new installs in 2024 and 2025 as households focus on electrification, solar hot water vs electric hot water comparisons, and lower running costs. Brands like Rheem and Rinnai are common choices locally for both rheem solar hot water and rheem heat pump hot water, as well as rinnai solar hot water. Many homeowners are also looking at premium options such as Sanden heat pump systems and Chromagen solar hot water when they want the best heat pump hot water system or the best hot water system Australia can offer for long‑term savings.
When you compare heat pump vs solar hot water, it often comes down to your roof layout and whether you prefer a compact heat pump unit on the ground or panels on the roof. A heat pump hot water price / cost can be similar to a good quality solar hot water price / cost once rebates are applied, and both can significantly undercut the lifetime hot water system price / cost of staying on gas. For some homes, a carefully sized electric hot water system, especially when paired with solar PV and a timer or solar diverter, can be the simplest upgrade path. It is also worth considering electric hot water vs gas hot water if you are planning to remove gas entirely.
Typical annual bill savings in Northgate for a well‑matched upgrade can look like this:
• Old electric storage to heat pump hot water system: about $350–$700 per year • Gas storage to heat pump hot water system: about $250–$500 per year • Gas storage to solar hot water system: about $200–$450 per year • Old electric to modern electric hot water system run on solar: about $250–$600 per year
These ranges will vary with household size, tariffs and how efficiently the system is set up, but they give a useful local guide.
Of course, performance and savings depend on good design, quality hot water installation and prompt hot water repair support when needed. Northgate homes use a mix of separate houses and townhouses, so the right system size and layout matters. Many three‑bedroom homes with young families will have higher morning and evening demand, which suits a generously sized tank and smart controls. Smaller two‑bedroom homes or downsizers might prioritise a compact unit and lower upfront heat pump hot water cost.
Hot Water Rebates, Tariffs & Savings
Across Northgate SA, more residents are replacing old gas or tired electric units with efficient options like heat pump hot water, newer electric hot water systems and solar hot water. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the upfront solar hot water price / cost or heat pump hot water price / cost, effectively acting as a built‑in solar hot water rebate or heat pump hot water rebate. On top of that, state‑based hot water rebate SA programs and electric hot water system rebate offers may apply to qualifying installations, particularly when upgrading from inefficient electric or gas systems.
For many Northgate households, these incentives can trim the installed cost of a heat pump or solar hot water system by a substantial percentage, cutting payback times to as little as three to seven years, especially when paired with rooftop solar. Choosing off‑peak or solar‑friendly tariffs, using timers, or adding solar‑diversion controls can further improve savings. With the right advice, solar hot water vs electric hot water becomes less about guesswork and more about matching your usage pattern and budget.
If your current unit is more than 10 years old, running out of hot water, or needing regular hot water repair, it is a good time to explore an upgrade. Northgate’s strong solar resource and growing interest in sustainability mean efficient hot water is a smart way to cut bills and emissions. Whether you are considering a rheem solar hot water system, a sanden heat pump, chromagen solar hot water or another leading brand, working with experienced hot water installers who specialise in heat pump hot water installation, solar hot water repair and electric hot water installation is essential. To make the most of hot water SA incentives and the local hot water rebate SA schemes, connect with trusted local experts for personalised advice on the best solution for your home and budget, and check whether now is the right time to switch from gas or an old electric unit to a cleaner, more efficient hot water system.