Hot Water Systems in Roundstone
The 4718 postcode, covering Roundstone, Bauhinia, Dromedary, Kianga, Moura, Mungabunda, Oombabeer, Rhydding and Warnoah and surrounding areas, is home to around 1,103 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 Roundstone and the 4718 area, 90 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 Roundstone's climate delivering an average of 5.7 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 4718
280th
State Wide
1478th
Australia Wide
Hot Water Installation Roundstone
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 Roundstone
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterRoundstone
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 Roundstone
Compare heat pump hot water systems suitable for Roundstone'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 - Roundstone, 4718
Hot Water Demographics - Roundstone
Based on the Australian Bureau of Statistics 2021 Census (ABS), Roundstone has around 1,103 private dwellings, home to approximately 2,064 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Roundstone households use approximately 125 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Roundstone's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Roundstone community is home to 210 couple families with children and 63 one-parent families, meaning a large proportion of households face substantial hot water demand. With 192 homes owned with a mortgage and 240 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.
Roundstone is converting hot water demand to efficient systems faster than many peers, with 8.2% of dwellings already upgraded.
Hot water systems in Roundstone
In Roundstone, more locals are swapping old gas and electric units for an energy efficient hot water system that actually suits our climate and power prices. With an average household size of around 2.5 people and a strong family base, reliable hot water is non‑negotiable, but so is keeping bills under control. Many homes are owned outright or with a mortgage, so upgrading a tired hot water system is a simple way to lock in long‑term savings and comfort.
Roundstone’s sunshine is a real asset. The local weather station records mean daily solar exposure of about 20.3 MJ/m², or roughly 5.6 kWh per square metre per day across the year. That is ideal for a solar hot water system or heat pump hot water system, which both use the sun’s energy in different ways. When you move from an older gas or resistive electric hot water system to a modern heat pump hot water or solar hot water heating system, you can slash the energy used for hot water, which is often one of the biggest loads in the home.
Across the 4718 postcode there are more than 800 occupied dwellings, mostly separate houses, so there is strong potential for efficient hot water installation on roofs and in yards. A lot of households are juggling mortgages and everyday costs, making the annual hot water energy savings from an upgrade very attractive. Whether you prefer a roof‑mounted solar hot water installation, a compact heat pump hot water installation, or a modern electric hot water installation paired with rooftop solar, there are options to match most homes and budgets.
Typical annual bill savings in Roundstone can look like this:
• Old electric to heat pump hot water system: $400–$800 per year • Gas to heat pump hot water: $300–$600 per year • Gas to solar hot water system: $250–$550 per year • Old electric to new electric hot water system with solar: $250–$500 per year
Brands like Rheem and Rinnai are popular locally for both solar hot water and efficient electric hot water, with products such as Rheem solar hot water, rheem heat pump hot water and rinnai solar hot water giving country homes reliable performance. For those chasing the most efficient hot water system, premium heat pumps like the Sanden heat pump or systems from EvoHeat are often considered among the best heat pump hot water system options in Australia. There are also quality solar ranges from suppliers such as Chromagen solar hot water, giving Roundstone households a wide choice when comparing heat pump vs solar hot water and even solar hot water vs electric hot water.
In Roundstone, there have already been 90 efficient hot water systems installed, combining heat pump and solar hot water installations. Install activity peaked in the late 2000s, with strong years in 2007 and 2008, and there has been a steady trickle of new systems since, including recent installs in 2023 and 2025. This pattern shows a clear, long‑term interest in electrification, lower running costs and more energy efficient hot water system choices as residents look to future‑proof their homes.
Hot Water Rebates, Tariffs & Savings
More Roundstone homeowners are now weighing up heat pump vs solar hot water and even modern electric hot water vs gas hot water as they plan a hot water upgrade. Federal incentives such as Small‑scale Technology Certificates (STCs) can lower the solar hot water price / cost and heat pump hot water price / cost, while Queensland hot water rebate qld programs may further cut the upfront hot water system price / cost for eligible households. These solar hot water rebate and heat pump hot water rebate schemes, along with an electric hot water system rebate in some cases, can reduce the installed cost by a substantial percentage.
When you combine a quality rheem solar hot water, rinnai solar hot water, Chromagen solar hot water or Sanden heat pump with your rooftop solar, it is common to save hundreds of dollars per year on bills. Many Roundstone homes can achieve short payback periods, especially if they use timers or solar diversion to run an electric hot water system when solar is producing. With the right design, solar hot water tank replacement or solar hot water repair can be timed to maximise these savings, and even older systems can sometimes be upgraded rather than replaced outright.
If you are wondering which option is the best hot water system Australia can offer for your place in Roundstone, it comes down to your roof space, tariff, budget and whether you already have solar. For some, the most efficient hot water system will be a high‑end heat pump hot water system; for others, a well‑sized solar hot water heating system backed by off‑peak power will make more sense. Either way, choosing an energy efficient hot water system will help cut emissions, reduce your reliance on gas, and make your home more comfortable year‑round.
If your current unit is old, noisy or struggling, now is a good time to check if your Roundstone home is ready for a hot water upgrade. Talk with experienced hot water qld installers who specialise in heat pump hot water installation, solar hot water installation, electric hot water installation and hot water repair. With Roundstone’s strong solar resource and growing focus on sustainability, efficient hot water systems can lower bills, cut emissions and future‑proof your property. For tailored advice on hot water systems Roundstone residents can rely on, connect with trusted local experts for a personalised plan with us.