Hot Water Systems in Mulgrave
The 4807 postcode, covering Mulgrave, Kalamia, Maidavale, Rite Island, Airdmillan, Airville, Alva, Ayr, Clare, Claredale, Dalbeg, Eight Mile Creek, Jarvisfield, Mcdesme, Millaroo, Mona Park, Mount Kelly, Parkside, Rita Island and Swans Lagoon and surrounding areas, is home to around 4,776 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 Mulgrave and the 4807 area, 161 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 Mulgrave'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 4807
228th
State Wide
1142nd
Australia Wide
Hot Water Installation Mulgrave
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 Mulgrave
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMulgrave
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 Mulgrave
Compare heat pump hot water systems suitable for Mulgrave'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 - Mulgrave, 4807
Hot Water Demographics - Mulgrave
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mulgrave has around 4,776 private dwellings, home to approximately 9,449 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Mulgrave households use approximately 115 litres of hot water daily, equating to a massive 0.5 million litres of hot water used across the suburb every single day.
Other census insights reinforce Mulgrave's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mulgrave community is home to 682 couple families with children and 222 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,109 homes owned with a mortgage and 1,680 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.
Mulgrave is converting hot water demand to efficient systems faster than many peers, with 3.4% of dwellings already upgraded.
Hot water systems in Mulgrave
Across Mulgrave and the wider 4807 area, more locals are swapping old gas and electric units for an energy efficient hot water system that keeps bills down without skimping on comfort. With around 4,171 occupied dwellings and an average household size of 2.3 people, most homes here are small to medium families or couples, so a well‑sized hot water system can make a real dent in running costs. Median household income sits at about $1,353 a week, so every saving on power counts.
Mulgrave’s sunshine is a big advantage. The local weather station at Woodhouse records an average annual solar exposure of 20.6 MJ/m² per day – roughly 5.7 kWh/m²/day – which is excellent for both a solar hot water system and a modern heat pump hot water system. That strong sun helps a solar hot water heating system deliver plenty of free energy, while heat pump hot water can run efficiently using off‑peak or solar power. When households upgrade from older gas or an ageing electric hot water system to efficient technology, it is common to see annual hot water energy savings in the hundreds of dollars.
Most homes in Mulgrave are separate houses, many owned outright (about 1,680) or with a mortgage (around 1,109), which makes planning a hot water installation or replacement much easier. For a typical 2–3 person household, a 200–270L heat pump hot water installation or a similar‑sized solar hot water installation with roof collectors is usually ideal. Larger families in 3–4 bedroom homes may look at 300L plus, especially if they want the most efficient hot water system for morning and evening showers.
When you compare heat pump vs solar hot water, both can dramatically cut usage compared with old systems. To give you a feel for potential savings, realistic averages for Mulgrave might look like:
• Old electric to heat pump hot water system: save about $350–$700 per year on bills. • Gas to heat pump hot water: save around $250–$600 per year. • Gas to solar hot water system: save roughly $300–$650 per year. • Old electric to modern electric hot water installation with rooftop solar: save $250–$500 per year.
Brands like Rheem, Rinnai, Sanden and Chromagen are common in the area, offering options from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water and chromagen solar hot water packages. Many locals researching the best hot water system Australia has for their needs are drawn to premium units such as a Sanden heat pump, often ranked among the best heat pump hot water system choices for efficiency and quiet operation.
In the 4807 postcode, there have already been 161 efficient hot water installations, combining heat pump and solar hot water systems. Installations ramped up sharply around 2008–2011, with peaks of 18 units in 2009 and 28 in 2010, then steady interest through the 2010s and early 2020s. This trend shows growing confidence in electrification, lower running costs and moving towards an energy efficient hot water system rather than sticking with gas. As more homes add rooftop solar, pairing it with a heat pump hot water system or solar hot water vs electric hot water alone becomes an obvious next step.
Hot Water Rebates, Tariffs & Savings
In Queensland, including Mulgrave, there is strong interest in replacing old gas or resistive electric units with efficient options like heat pump hot water, a modern electric hot water system or a solar hot water heating system. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the upfront hot water system price, and state programs can add a heat pump hot water rebate or solar hot water rebate on top. For some households, these discounts can effectively cut the system cost by 20–40%, bringing the heat pump hot water price or solar hot water price much closer to a standard electric hot water system cost.
There are also electric hot water system rebate offers from time to time, plus tariff options that reward running your system at off‑peak times. With the right set‑up, many Mulgrave homes can slice hundreds of dollars per year from bills, especially when using timers or solar diversion to heat water when rooftop solar is producing. That is where choices like solar hot water vs electric hot water, or electric hot water vs gas hot water, really start to pay off.
Whether you need hot water repair, solar hot water repair, a solar hot water tank replacement or a full hot water installation, it pays to work with experienced local specialists who understand hot water QLD conditions. If your system is older, noisy or struggling, now is a smart time to explore an upgrade – from gas or tired electric to heat pump, solar or a modern electric hot water installation. Mulgrave’s strong solar resource and growing interest in sustainability mean an energy efficient hot water upgrade can reduce bills, cut emissions and future‑proof your home. To find out which option is right for you and to maximise any hot water rebate QLD offers, connect with trusted local experts for personalised advice and a quote tailored to your household.