Hot Water Systems in Karawara
The 6152 postcode, covering Karawara, Como, Manning, Salter Point and Waterford and surrounding areas, is home to around 11,580 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 Karawara and the 6152 area, 1,019 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 Karawara's climate delivering an average of 5.3 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 6152
57th
State Wide
291st
Australia Wide
Hot Water Installation Karawara
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 Karawara
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKarawara
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 Karawara
Compare heat pump hot water systems suitable for Karawara'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 - Karawara, 6152
Hot Water Demographics - Karawara
Based on the Australian Bureau of Statistics 2021 Census (ABS), Karawara has around 11,580 private dwellings, home to approximately 23,760 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Karawara households use approximately 115 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 Karawara's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Karawara community is home to 1,834 couple families with children and 357 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,125 homes owned with a mortgage and 3,255 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.
Karawara is converting hot water demand to efficient systems faster than many peers, with 8.8% of dwellings already upgraded.
Hot water systems in Karawara
Across Karawara, more homeowners and investors are swapping old gas and electric units for modern, energy efficient hot water. With an average household size of 2.3 people and more than 10,000 dwellings in the 6152 area, reliable hot water is non‑negotiable – but rising energy costs mean the type of hot water system you choose really matters. Many households are now looking at a heat pump hot water system, a solar hot water system or a high‑efficiency electric hot water system as a smart next step.
Karawara’s sunny Perth climate is ideal for efficient hot water. The local weather station records around 19.3 MJ/m² of solar exposure each day on average – roughly 5.4 kWh/m² – which is excellent for both a solar hot water heating system and for running a heat pump hot water system efficiently. With a median household income around $1,919 per week and a mix of homes owned with a mortgage and a strong rental market, there is real interest in cutting running costs without sacrificing comfort. Upgrading from older gas or resistive electric units can deliver substantial Annual Hot Water Energy Savings for Karawara households.
In the 6152 area, many three‑ and four‑bedroom homes have higher hot water demand, especially families and share houses. That is pushing demand for the most efficient hot water system options, including quality brands like Rheem, Rinnai, Sanden and Thermann. Rheem solar hot water and Rinnai solar hot water units are popular where roof space and orientation are good, while sanden heat pump and Rheem heat pump hot water systems are often chosen when roof space is tight or shading is an issue. For some properties, a modern electric hot water system paired with rooftop solar still makes sense, especially when replacing old gas.
To give you a feel for savings, here are typical annual bill reductions many Karawara homes can see when they choose an energy efficient hot water system and the right tariff setup:
• Old electric to heat pump hot water system: about $350–$700 per year • Gas storage to heat pump: roughly $250–$550 per year • Gas storage to solar hot water system: around $300–$650 per year • Old electric to modern electric hot water installation with good rooftop solar: about $200–$500 per year
Local installation data shows the trend clearly. In Karawara and the broader 6152 postcode, there have been 1,019 efficient hot water installations – mainly heat pump and solar hot water installation projects. Install numbers climbed through the late 2000s, peaking around 2010 with more than 80 installs that year, and have remained steady with 30–50 systems going in most years since. That steady stream of hot water installation work shows growing interest in electrification, lower running costs and moving away from gas hot water. As systems age, there is also ongoing demand for hot water repair, solar hot water repair and solar hot water tank replacement to keep existing units working efficiently.
Hot Water Rebates, Tariffs & Savings
Karawara households are increasingly weighing up heat pump vs solar hot water and even solar hot water vs electric hot water as they plan their next upgrade. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water installation, effectively reducing the solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of that, WA programs and retailer offers can act as a hot water rebate wa, with a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some schemes. These discounts can trim the upfront hot water system price / cost by a sizeable chunk and shorten the payback period to just a few years, especially if you already have rooftop solar.
For many Karawara homes, choosing the best hot water system australia is about balancing budget, roof space, tariffs and how long you plan to stay. A well‑sized energy efficient hot water system, whether it is a chromagen solar hot water style setup, a rheem solar hot water package or the best heat pump hot water system you can afford, can easily save hundreds of dollars a year. Using timers or solar diversion to run your electric hot water installation or heat pump during the middle of the day can boost savings even further. When you factor in hot water rebate wa options and the long‑term savings, the overall solar hot water price / cost or heat pump hot water price / cost often compares very well to sticking with gas.
If your current unit is older, noisy or struggling to keep up, it is a good time to check whether your Karawara home is ready for a hot water upgrade. Whether you are moving from gas to an efficient electric hot water system, or weighing up heat pump vs solar hot water, working with experienced hot water installers matters. Local specialists in heat pump hot water installation, solar hot water installation and hot water repair can help you compare electric hot water vs gas hot water, explain solar hot water vs electric hot water in plain English, and recommend the most efficient hot water system for your household. With Karawara’s strong sunshine and growing interest in sustainability, an energy efficient hot water system can cut bills, reduce emissions and future‑proof your home – connect with trusted local experts for personalised advice with us.