Hot Water Systems in Calderwood
The 2527 postcode, covering Calderwood, Albion Park, Albion Park Rail, Croom, North Macquarie, Tongarra, Tullimbar and Yellow Rock and surrounding areas, is home to around 9,366 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 Calderwood and the 2527 area, 616 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 Calderwood's climate delivering an average of 4.4 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 2527
107th
State Wide
484th
Australia Wide
Hot Water Installation Calderwood
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 Calderwood
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterCalderwood
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 Calderwood
Compare heat pump hot water systems suitable for Calderwood'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 - Calderwood, 2527
Hot Water Demographics - Calderwood
Based on the Australian Bureau of Statistics 2021 Census (ABS), Calderwood has around 9,366 private dwellings, home to approximately 25,005 people. With an average household size of 2.8 people, and around 50 litres of hot water used per person each day in Australia, Calderwood households use approximately 140 litres of hot water daily, equating to a massive 1.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Calderwood's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Calderwood community is home to 2,347 couple families with children and 658 one-parent families, meaning a large proportion of households face substantial hot water demand. With 4,295 homes owned with a mortgage and 2,693 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.
Calderwood is converting hot water demand to efficient systems faster than many peers, with 6.6% of dwellings already upgraded.
Hot water systems in Calderwood
Across Calderwood and the wider 2527 area, more households are swapping old gas and electric units for an energy efficient hot water system. With an average household size of 2.8 people and more than 7,900 separate houses in the postcode, hot water demand is high – and so are power bills. For families juggling a median mortgage of about $2,167 a month, reducing running costs with a modern heat pump hot water system, solar hot water system or efficient electric hot water system just makes sense.
Calderwood’s climate is ideal for efficient hot water. Nearby Albion Park records around 15.7 MJ/m² of solar exposure a day on average – roughly 4.4 kWh/m² – which is excellent for a solar hot water heating system and helps a heat pump hot water system run more efficiently. Upgrading from an older gas or resistive electric hot water system can slash the energy used for hot water, which is often one of the biggest loads in the home, delivering strong Annual Hot Water Energy Savings for local homeowners.
In a growing family area with a median age of 35 and more than 4,200 homes owned with a mortgage, many Calderwood households are planning long term. That is why interest in the best hot water system Australia can offer – reliable, low maintenance and cheap to run – is rising. Brands like Rheem heat pump hot water and Sanden heat pump units are popular for all‑electric homes, while Rheem solar hot water, Rinnai solar hot water and Chromagen solar hot water systems suit properties with good roof space and sun.
Around the 2527 postcode, thousands of three and four‑bedroom homes mean higher hot water demand and bigger savings from an energy efficient hot water system. When you compare heat pump vs solar hot water, both can work brilliantly in Calderwood; the right choice comes down to roof orientation, budget and whether you already have rooftop solar. For some homes, a quality electric hot water installation paired with solar PV is a smart, flexible option, especially when claiming an electric hot water system rebate.
Typical annual bill savings from a hot water upgrade in Calderwood can look like:
• Old electric to heat pump hot water system: $400–$800 per year • Gas to heat pump hot water system: $300–$600 per year • Gas to solar hot water system: $250–$550 per year • Old electric to modern electric hot water with solar: $250–$500 per year
Since 2001, there have been 616 efficient hot water installations (heat pump and solar hot water installation combined) recorded across the 2527 postcode. Installations surged around 2008–2010, with a peak of 174 systems in 2009, and there has been steady ongoing activity through to 2025. This long‑term trend shows Calderwood households are increasingly interested in electrification, lower running costs and reducing reliance on gas. Local hot water installation teams now regularly handle heat pump hot water installation, solar hot water tank replacement, solar hot water repair and general hot water repair work as older units reach the end of their life.
Hot Water Rebates, Tariffs & Savings
For Calderwood homeowners, there is growing interest in replacing ageing gas units with a heat pump hot water system or solar hot water system, or upgrading to a more efficient electric hot water system. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting like a solar hot water rebate or heat pump hot water rebate that is usually taken off the upfront hot water system price / cost. NSW programs and retailer offers can add further hot water rebate nsw support, including options for an electric hot water system rebate on approved models.
When you factor in these discounts, the effective heat pump hot water price / cost or solar hot water price / cost can drop by a substantial percentage, often cutting payback periods to just a few years. Many Calderwood homes with solar PV also use timers or solar‑diversion controls so their electric hot water installation or rheem solar hot water unit heats mainly during the day, squeezing even more value from their panels. For some, a Sanden heat pump or other best heat pump hot water system running on cheap daytime solar power becomes the most efficient hot water system option, delivering hundreds of dollars a year in savings while reducing emissions.
If you live in Calderwood and your current unit is older, noisy or running up big bills, it is a good time to check whether a hot water upgrade is right for your home. Whether you are comparing solar hot water vs electric hot water, or electric hot water vs gas hot water, experienced local installers can help you choose an energy efficient hot water system that suits your roof, budget and family size. With Calderwood’s strong sunshine, growing focus on sustainability and generous hot water rebate nsw options, upgrading to modern hot water nsw solutions is a smart way to cut bills, lower emissions and future‑proof your home. Connect with trusted local experts for personalised advice on the best hot water system Australia can offer for your place, and get help with hot water installation, hot water repair and ongoing support with us.