Hot Water Systems in Penfield
The 5121 postcode, covering Penfield, Eyre, Macdonald Park and Penfield Gardens and surrounding areas, is home to around 946 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 Penfield and the 5121 area, 93 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 Penfield's climate delivering an average of 4.9 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 5121
153rd
State Wide
1458th
Australia Wide
Hot Water Installation Penfield
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 Penfield
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterPenfield
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 Penfield
Compare heat pump hot water systems suitable for Penfield'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 - Penfield, 5121
Hot Water Demographics - Penfield
Based on the Australian Bureau of Statistics 2021 Census (ABS), Penfield has around 946 private dwellings, home to approximately 2,257 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Penfield households use approximately 125 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Penfield's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Penfield community is home to 188 couple families with children and 54 one-parent families, meaning a large proportion of households face substantial hot water demand. With 421 homes owned with a mortgage and 320 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.
Penfield is converting hot water demand to efficient systems faster than many peers, with 9.8% of dwellings already upgraded.
Hot water systems in Penfield
Across Penfield 5121, more homeowners are switching from old gas and electric units to an energy efficient hot water system that actually suits how they live. With an average household size of about 2.5 people and most dwellings being separate houses, many families and downsizers here are looking at a modern hot water system that cuts bills without sacrificing comfort. Upgrading to a heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step, especially as power prices keep rising and hot water energy use is such a big slice of the typical bill.
Penfield’s strong sunshine makes efficient hot water technology a smart fit. The local climate data from Edinburgh RAAF shows mean daily solar exposure of around 17.8 MJ/m², which is roughly 5 kWh/m² per day across the year. That kind of consistent solar input is ideal for a solar hot water heating system or a high quality heat pump hot water system using the warm daytime air. With a median household income of about $1,390 a week and over 740 homes owned with a mortgage or outright, many Penfield households are in a good position to invest in long term savings from the most efficient hot water system they can afford.
In a suburb of roughly 885 occupied private dwellings, hot water demand is steady, especially for families (around 650 families in total) and the 500-plus residents over 65 who value reliability and low running costs. Efficient hot water systems installed locally include heat pumps and solar hot water on homes that already have rooftop solar, helping to shift usage into the daytime. Brands like Rheem heat pump hot water, Rinnai solar hot water, Sanden heat pump and Chromagen solar hot water all appear in the Penfield market, giving homeowners a wide choice when comparing heat pump vs solar hot water or solar hot water vs electric hot water options. For some households, the best hot water system Australia can offer might be a premium heat pump; for others, a straightforward electric hot water installation tied to solar will be enough.
Typical savings from a smart hot water upgrade are significant. While the exact hot water system price or cost varies by size and brand, many Penfield households can expect realistic average annual bill reductions such as:
• Old electric to quality heat pump hot water system: $350–$700 per year. • Gas hot water to heat pump hot water installation: $300–$600 per year. • Gas hot water to solar hot water installation: $250–$550 per year. • Old electric to modern electric hot water installation with solar: $200–$450 per year.
With 93 efficient hot water systems already installed in the 5121 postcode, Penfield has a clear track record of residents investing in better hot water SA wide. Installation numbers peaked around 2010, when 31 systems went in, followed by steady installations most years through to 2024. This pattern shows a long standing local interest in electrification, solar hot water repair and replacement, and lower running costs, with many homeowners now revisiting their options as newer systems and rebates improve the heat pump hot water price or cost and solar hot water price or cost.
Hot Water Rebates, Tariffs & Savings
Across Penfield, more people are asking whether to choose electric hot water vs gas hot water, or whether a solar hot water tank replacement or new heat pump hot water installation will deliver the best value. Federal incentives such as Small-scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as an upfront discount. On top of this, South Australian hot water rebate SA programs can include a heat pump hot water rebate, solar hot water rebate and electric hot water system rebate offers at times, all helping to reduce the initial hot water system price or cost for local households.
When you combine rebates, STCs and smart tariffs, the payback period on an energy efficient hot water system can drop to just a few years, especially in homes with rooftop solar. Many Penfield households can realistically save hundreds of dollars per year by moving from gas or an old electric unit to the best heat pump hot water system they can sensibly afford. Using timers or solar diversion to line up hot water heating with peak solar generation can boost savings even further, making hot water SA wide a key part of the all electric home trend.
If your existing unit is ageing, running out of hot water, or needing frequent hot water repair, now is a good time to see whether a modern solar hot water system, rheem solar hot water, rinnai solar hot water or sanden heat pump could suit your place. With Penfield’s strong sun and growing interest in sustainability, upgrading to an energy efficient hot water system is one of the simplest ways to cut bills, reduce emissions and future proof your home. To compare heat pump vs solar hot water, talk through solar hot water vs electric hot water, or plan a smooth solar hot water tank replacement or solar hot water repair, it pays to work with experienced hot water installers who understand hot water SA conditions and local rebates. Connect with trusted local experts for personalised advice and find the right hot water installation or upgrade for your Penfield home or business today.