Hot Water Systems in Westminster
The 6061 postcode, covering Westminster, Balga, Mirrabooka and Nollamara and surrounding areas, is home to around 17,410 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 Westminster and the 6061 area, 1,293 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 Westminster'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 6061
45th
State Wide
210th
Australia Wide
Hot Water Installation Westminster
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 Westminster
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWestminster
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.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for Westminster
Compare heat pump hot water systems suitable for Westminster'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 - Westminster, 6061
Hot Water Demographics - Westminster
Based on the Australian Bureau of Statistics 2021 Census (ABS), Westminster has around 17,410 private dwellings, home to approximately 38,593 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Westminster households use approximately 120 litres of hot water daily, equating to a massive 2.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Westminster's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Westminster community is home to 3,275 couple families with children and 1,149 one-parent families, meaning a large proportion of households face substantial hot water demand. With 5,445 homes owned with a mortgage and 3,010 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.
Westminster is converting hot water demand to efficient systems faster than many peers, with 7.4% of dwellings already upgraded.
Hot water systems in Westminster
In Westminster, hot water is a big chunk of the power bill, so more locals are shifting from old gas and electric units to an energy efficient hot water system. With a young median age of 34, lots of growing families, and around 15,900 occupied dwellings, many homes are now weighing up a heat pump hot water system, solar hot water system or modern electric hot water system as their next upgrade.
Westminster’s sunny Perth climate is perfect for efficient hot water. The nearby Perth Metro weather station records an average annual solar exposure of about 19.3 MJ/m² a day, which is roughly 5.4 kWh/m² of solar energy daily. That strong sunlight helps a solar hot water heating system and heat pump hot water system run more efficiently, cutting running costs compared with older gas or resistive electric units. With average household size around 2.4 people and a mix of mortgaged and rented homes, upgrading a hot water system is a practical way to reduce bills and free up household budgets.
Across 6061, efficient hot water upgrades are already making a difference. Many three‑bedroom homes have steady hot water demand from showers, laundry and dishwashers, so choosing the most efficient hot water system can significantly trim overall energy use. For a lot of households, hot water energy use is second only to heating and cooling, which is why moving from gas hot water to an electric hot water system powered by solar, or to a heat pump, is such a logical step.
Typical annual bill savings in Westminster look like this:
• Old electric to heat pump hot water installation: about $350–$700 per year • Gas to heat pump hot water installation: about $250–$600 per year • Gas to solar hot water installation: about $250–$600 per year • Old electric to modern electric hot water installation with rooftop solar: about $200–$500 per year
Local installers commonly work with trusted brands like Rheem, Rinnai, Sanden and Thermann. Rheem solar hot water and Rinnai solar hot water are popular for roof‑mounted solar hot water installation and solar hot water tank replacement, while Rheem heat pump hot water and Sanden heat pump units are often chosen as some of the best heat pump hot water system options for Perth conditions. These systems are designed to be an energy efficient hot water system choice, helping you get closer to the most efficient hot water system for your home. For many households, heat pump vs solar hot water comes down to roof space, budget, and whether you already have rooftop solar. Others look at solar hot water vs electric hot water, or even electric hot water vs gas hot water, when planning an all‑electric home.
In Westminster alone, there have already been 1,293 efficient hot water installations, including both heat pump and solar hot water systems. Installations peaked around 2010 with almost 200 systems going in that year, and there has been steady activity since, with dozens of systems installed each year through to 2025. This trend shows a clear local interest in electrification, lower running costs and more sustainable hot water wa solutions.
Hot Water Rebates, Tariffs & Savings
For Westminster homeowners, the numbers look even better once rebates are factored in. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump units, effectively reducing the upfront solar hot water price / cost or heat pump hot water price / cost. On top of that, WA schemes and retailer offers can act like a hot water rebate wa, especially when you are replacing an old gas or electric unit with a high‑efficiency model. A solar hot water rebate or heat pump hot water rebate can slice a substantial percentage off the system cost, and an electric hot water system rebate may apply in certain upgrade programs. For many Westminster homes, that means hundreds of dollars off the initial hot water system price / cost and typical savings of hundreds of dollars per year on power bills. When you combine rebates with rooftop solar and smart timers or solar‑diversion controls, the payback period for a new solar hot water system or heat pump can be cut significantly.
If your current unit is older, unreliable or you are planning to move away from gas, now is a good time to check whether your Westminster home is ready for a hot water upgrade. Whether you are comparing heat pump vs solar hot water, looking for the best hot water system australia for a compact townhouse, or need urgent hot water repair or solar hot water repair, it pays to work with experienced local installers who specialise in hot water wa solutions. With Westminster’s strong solar exposure and growing interest in sustainability, a modern energy efficient hot water system can reduce your bills, cut emissions and future‑proof your home. Reach out to trusted local experts for personalised advice on heat pump hot water installation, solar hot water installation or electric hot water installation, and find the right hot water systems Westminster families can rely on for years.