Hot Water Systems in Perth
The 7300 postcode, covering Perth, Perth, Devon Hills and Powranna and surrounding areas, is home to around 1,607 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 Perth and the 7300 area, 68 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 Perth's climate delivering an average of 4.2 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 7300
44th
State Wide
1604th
Australia Wide
Hot Water Installation Perth
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 Perth
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterPerth
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 Perth
Compare heat pump hot water systems suitable for Perth'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 - Perth, 7300
Hot Water Demographics - Perth
Based on the Australian Bureau of Statistics 2021 Census (ABS), Perth has around 1,607 private dwellings, home to approximately 3,751 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Perth households use approximately 125 litres of hot water daily, equating to a massive 0.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Perth's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Perth community is home to 329 couple families with children and 91 one-parent families, meaning a large proportion of households face substantial hot water demand. With 694 homes owned with a mortgage and 551 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.
Perth is converting hot water demand to efficient systems faster than many peers, with 4.2% of dwellings already upgraded.
Hot water systems in Perth
In Perth, TAS 7300, more households are rethinking their old gas and electric hot water system and shifting to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With an average household size of around 2.5 people and more than 1,300 separate houses in the 7300 postcode, reliable, affordable hot water is a big part of everyday life and energy bills.
Energy costs bite when you are on a median household income of about $1,500 a week, so upgrading from a tired storage unit to an energy efficient hot water system is a logical next step. The Launceston Airport climate data shows Perth enjoys around 15.2 MJ/m² of solar exposure a day on average – roughly 4.2 kWh/m²/day – which is solid sunshine for both a solar hot water heating system and a quality heat pump hot water system. That solar resource, combined with a high level of home ownership (over 1,200 owned homes), makes Perth well suited to long‑term hot water installation upgrades that lock in lower running costs and strong annual hot water energy savings.
Local demand is shaped by family homes and a growing number of downsizers. Many properties still run older electric or gas units, even as more residents install rooftop solar and look for the most efficient hot water system to match. Swapping electric hot water vs gas hot water for a modern heat pump or solar hot water vs electric hot water can cut hot water energy use by more than half, especially when paired with solar.
Typical annual bill savings in Perth can look like this:
• Old electric to heat pump hot water installation: save about $350–$700 per year. • Gas to heat pump hot water system: save about $250–$500 per year. • Gas to solar hot water installation: save about $250–$600 per year. • Old electric to modern electric hot water installation with solar: save about $200–$450 per year.
Brands such as Rheem solar hot water, Rinnai solar hot water, Chromagen solar hot water and premium Sanden heat pump units are all seen as strong contenders for the best hot water system Australia can offer, with options for both standard and high‑performance heat pump hot water price / cost points. Many locals also look for rheem heat pump hot water packages when they want a well‑known name and solid warranty backup.
Perth has already seen 68 efficient hot water systems installed, combining heat pump and solar hot water installation jobs across the postcode. Installations peaked around 2011, with 16 systems going in that year, followed by steady activity through the 2010s and new installs continuing through to 2025. This trend shows a clear local interest in electrification, lower running costs and cutting reliance on gas, supported by ongoing hot water repair work, solar hot water repair and solar hot water tank replacement as systems age.
Hot Water Rebates, Tariffs & Savings
Across Perth TAS, more homeowners are now considering a heat pump vs solar hot water upgrade, or at least a more efficient electric hot water system, when their old unit fails. Australian Government Small‑scale Technology Certificates (STCs) can reduce the solar hot water price / cost and heat pump hot water price / cost at the point of sale, while Tasmanian and federal programmes may offer a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some schemes. These hot water rebate tas incentives can effectively trim the upfront hot water system price / cost by a substantial margin, often bringing payback periods down to just a few years, especially if you run the system on a solar‑friendly tariff or use timers and solar diversion to maximise on‑site solar use.
If you are in Perth and wondering whether to stick with electric hot water vs gas hot water, or upgrade to the best heat pump hot water system you can afford, now is a smart time to review your options. With strong solar exposure, growing interest in sustainability and many homes already moving towards all‑electric living, efficient hot water tas upgrades can cut bills, reduce emissions and future‑proof your property. Talk with experienced local hot water installers – heat pump and solar hot water specialists who understand Perth – to get personalised advice, compare systems and rebates, and make sure your next hot water repair or replacement is a genuine upgrade, not just a like‑for‑like swap.