Hot Water Systems in Port Davis
The 5540 postcode, covering Port Davis, Bungama, Coonamia, Lower Broughton, Napperby, Nelshaby, Pirie East, Port Pirie, Port Pirie South, Port Pirie West, Risdon Park, Risdon Park South, Solomontown, Telowie and Warnertown and surrounding areas, is home to around 7,192 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 Port Davis and the 5540 area, 255 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 Port Davis's climate delivering an average of 5.2 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 5540
58th
State Wide
893rd
Australia Wide
Hot Water Installation Port Davis
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 Port Davis
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterPort Davis
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 Port Davis
Compare heat pump hot water systems suitable for Port Davis'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 - Port Davis, 5540
Hot Water Demographics - Port Davis
Based on the Australian Bureau of Statistics 2021 Census (ABS), Port Davis has around 7,192 private dwellings, home to approximately 14,095 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Port Davis households use approximately 110 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 Port Davis's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Port Davis community is home to 914 couple families with children and 470 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,020 homes owned with a mortgage and 2,129 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.
Port Davis is converting hot water demand to efficient systems faster than many peers, with 3.5% of dwellings already upgraded.
Hot water systems in Port Davis
Across Port Davis and the wider 5540 area, more homeowners are rethinking their old gas and electric hot water system and switching to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With energy prices rising and many locals on a median household income of around $1,060 a week, getting running costs under control simply makes sense.
Port Davis enjoys strong sunshine, with average solar exposure of about 18.6 MJ/m² a day – roughly 5.2 kWh/m² – which is ideal for a solar hot water heating system or a high‑efficiency heat pump hot water system. Most dwellings here are separate houses, and the average household size is 2.2 people, so a correctly sized hot water installation can comfortably cover family showers, laundry and kitchen use without wasting energy. For many of the 2,129 households that own their home outright and the 2,020 still paying a mortgage, upgrading from older gas or off‑peak electric to an energy efficient hot water system is a logical next step, with annual hot water energy savings that can easily reach hundreds of dollars.
In Port Davis 5540, hot water demand is driven mainly by three‑bedroom family homes, and hot water energy use can be one of the biggest single loads on the bill. That is why more locals are comparing heat pump vs solar hot water and even looking at solar hot water vs electric hot water to find the most efficient hot water system for their situation. Brands like Rheem and Rinnai have popular options, from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water units. Premium heat pumps such as Sanden heat pump systems, along with Chromagen solar hot water options, are also appearing on roofs and slabs around the district as people chase the best hot water system Australia can offer for long‑term savings.
Typical annual bill savings in Port Davis look like:
• Old electric to heat pump hot water installation: $450–$900 per year • Gas to heat pump hot water system: $350–$750 per year • Gas to solar hot water installation: $300–$700 per year • Old electric to modern electric hot water installation backed by rooftop solar: $250–$600 per year
There have already been 255 efficient hot water installations (heat pump and solar hot water) recorded in the 5540 postcode. Installations climbed strongly through the mid‑2000s, with peaks around 2005 and 2010 when rebates were first popular, then settled into a steady trickle from 2015 onwards, including new systems in 2023, 2024 and 2025. This trend shows a clear, long‑term shift in Port Davis towards electrification, lower running costs and reliable hot water repair and replacement instead of just patching up old gas units.
Hot Water Rebates, Tariffs & Savings
Around Port Davis SA, more households are replacing ageing gas and electric units with efficient heat pump hot water, solar hot water or better‑insulated electric systems. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible solar hot water installation and heat pump hot water installation, effectively acting as an upfront discount. South Australian schemes can also provide a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate in some programs, making the heat pump hot water price / cost or solar hot water price / cost far more affordable. For many homes, these hot water rebate SA offers can cut the hot water system price / cost by a substantial percentage and shorten payback to just a few years. Add smart controls, timers or solar diversion, and an electric hot water vs gas hot water upgrade can deliver even bigger bill reductions. When a solar hot water tank replacement or solar hot water repair is needed, it is often the perfect time to reassess the most efficient hot water system for your property.
If your hot water system is older, noisy or costing a fortune to run, it may be time to see whether your Port Davis home is ready for a hot water upgrade. Whether you are moving from gas to an all‑electric home, comparing solar hot water vs electric hot water, or after the best heat pump hot water system, working with experienced local installers and hot water repair specialists matters. With Port Davis’s strong solar potential and growing interest in sustainability, efficient hot water systems can trim bills, cut emissions and future‑proof your property. Connect with trusted local experts for personalised advice on the right hot water SA solution for your home and budget.