Hot Water Systems in Forest Hill
The 6324 postcode, covering Forest Hill, Denbarker, Mount Barker, Perillup, Porongurup, South Stirling, Takalarup and Woogenellup and surrounding areas, is home to around 1,643 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 Forest Hill and the 6324 area, 300 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 Forest Hill's climate delivering an average of 4.5 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 6324
135th
State Wide
808th
Australia Wide
Hot Water Installation Forest Hill
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 Forest Hill
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterForest Hill
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 Forest Hill
Compare heat pump hot water systems suitable for Forest Hill'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 - Forest Hill, 6324
Hot Water Demographics - Forest Hill
Based on the Australian Bureau of Statistics 2021 Census (ABS), Forest Hill has around 1,643 private dwellings, home to approximately 3,179 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Forest Hill households use approximately 120 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 Forest Hill's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Forest Hill community is home to 243 couple families with children and 63 one-parent families, meaning a large proportion of households face substantial hot water demand. With 388 homes owned with a mortgage and 570 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.
Forest Hill is converting hot water demand to efficient systems faster than many peers, with 18.3% of dwellings already upgraded.
Hot water systems in Forest Hill
Across Forest Hill and the wider 6324 area, more locals are rethinking their old gas and electric hot water system setups and moving to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With around 1,358 occupied dwellings and an average household size of 2.4 people, hot water is a big chunk of energy use for families, farmers and retirees alike. Many homes are owned outright or with a mortgage, which makes investing in an energy efficient hot water system a logical next step to cut bills and future‑proof the property.
Forest Hill enjoys strong sunlight, with average solar exposure of about 16.3 MJ/m² per day – roughly 4.5 kWh/m² of usable solar energy. That makes a solar hot water heating system or a high‑efficiency heat pump hot water installation a great fit, especially for homes already running rooftop solar. Upgrading from older gas or resistive electric units can deliver substantial Annual Hot Water Energy Savings, helping households on a median weekly income of around $1,191 keep more money in their pocket while reducing emissions.
In the 6324 postcode, most dwellings are separate houses with three or four bedrooms, so hot water demand is steady year‑round. Many households are still on gas or older cylinders, but the share of homes looking at heat pump vs solar hot water is rising as power prices climb. Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are common choices for those chasing the most efficient hot water system, while Chromagen solar hot water is popular for rural properties wanting robust gear that can handle regional conditions.
Typical savings will vary by home, but rough annual bill reductions in Forest Hill might look like:
• Old electric to heat pump hot water system: $350–$700 per year • Gas to heat pump hot water: $250–$600 per year • Gas to solar hot water system: $300–$650 per year • Old electric to modern electric hot water installation with good solar: $200–$500 per year
So far, there have been about 300 efficient hot water installations (heat pump and solar hot water installation combined) recorded in the 6324 area. Install numbers grew steadily through the 2000s, peaking around 2009–2011, and while yearly totals now sit closer to single digits, recent installs in 2023–2025 show ongoing interest in electrification and lower running costs. As more locals add solar, pairing it with an energy efficient hot water system is becoming the obvious upgrade.
Hot Water Rebates, Tariffs & Savings
For Forest Hill households, the economics are helped by a mix of Australian Government and WA hot water rebate programs. Small‑scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, knocking a decent slice off the upfront solar hot water price / cost or heat pump hot water price / cost. In some cases, discounts can reduce the installed hot water system price / cost by 20–40%, especially when combined with state schemes that support efficient electric hot water system rebate offers. With lower running costs, many systems pay back in just a few years, particularly if you use timers or solar diversion so your hot water WA system heats when your panels are generating.
Choosing between heat pump vs solar hot water or solar hot water vs electric hot water depends on roof space, budget and whether you already have solar PV. A quality rheem solar hot water or rinnai solar hot water setup can be ideal for sun‑drenched roofs, while a sanden heat pump or other best heat pump hot water system options suit shaded sites or homes planning to go all‑electric. Local installers can also advise on solar hot water repair, hot water repair, solar hot water tank replacement and ongoing servicing, so your system stays efficient for the long term.
If you are weighing up electric hot water vs gas hot water, or comparing solar hot water price / cost with a modern heat pump, now is a smart time to assess your options. Forest Hill’s strong solar resource, solid home ownership and growing interest in sustainability mean efficient hot water WA upgrades can reduce bills, cut emissions and add value. To find the best hot water system Australia can offer for your home, talk with experienced local specialists in hot water installation, heat pump hot water installation, solar hot water repair and electric hot water installation. Connect with trusted experts for personalised advice and see if your Forest Hill home is ready for a hot water upgrade and to tap into the latest hot water rebate WA incentives.