Hot Water Systems in The Common
The 4701 postcode, covering The Common, Kalka, Oasis Gardens, Rockhampton Dc, Berserker, Central Queensland University, Frenchville, Greenlake, Ironpot, Kawana, Koongal, Lakes Creek, Limestone Creek, Mount Archer, Nankin, Nerimbera, Norman Gardens, North Rockhampton, Park Avenue, Red Hill Rockhampton, Rockhampton North, Rockhampton Shopping Fair, Rockyview and Sandringham and surrounding areas, is home to around 17,715 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 The Common and the 4701 area, 3,482 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 The Common's climate delivering an average of 5.6 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 4701
6th
State Wide
41st
Australia Wide
Hot Water Installation The Common
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 The Common
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterThe Common
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 The Common
Compare heat pump hot water systems suitable for The Common'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 - The Common, 4701
Hot Water Demographics - The Common
Based on the Australian Bureau of Statistics 2021 Census (ABS), The Common has around 17,715 private dwellings, home to approximately 40,042 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, The Common households use approximately 125 litres of hot water daily, equating to a massive 2.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce The Common's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The The Common community is home to 3,334 couple families with children and 1,359 one-parent families, meaning a large proportion of households face substantial hot water demand. With 5,868 homes owned with a mortgage and 4,845 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.
The Common is converting hot water demand to efficient systems faster than many peers, with 19.7% of dwellings already upgraded.
Hot water systems in The Common
Across The Common and the wider 4701 area, more households are swapping old gas and electric units for an energy efficient hot water system. With an average household size of around 2.5 people and more than 16,000 occupied dwellings, reliable hot water is non‑negotiable – but power prices keep climbing. That is why interest in upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is growing fast.
The Common is blessed with serious sunshine. Rockhampton’s average solar exposure sits at about 20.1 MJ/m² a day – roughly 5.6 kWh/m²/day – which is ideal for a solar hot water heating system and gives heat pump hot water excellent efficiency. For many owner‑occupiers (over 10,700 homes are owned outright or with a mortgage), shifting from older gas or resistive electric hot water to the most efficient hot water system can trim hundreds of dollars a year off bills. Over the life of the system, those Annual Hot Water Energy Savings really add up, especially for busy family homes with higher hot water demand.
In 4701, separate houses dominate, with more than 14,000 stand‑alone homes – perfect roof space for solar hot water installation or pairing a heat pump with rooftop solar. Many families here are weighing up heat pump vs solar hot water, and even solar hot water vs electric hot water, to find the best balance of upfront hot water system price, running costs and reliability. Brands like Rheem solar hot water and Rinnai solar hot water are common choices for a solar hot water tank replacement, while Sanden heat pump and Rheem heat pump hot water units are popular options for those chasing the best heat pump hot water system on the market.
On typical power tariffs, hot water can be one of the biggest single energy users in the home. Upgrading your hot water installation can make a serious dent in that. Average annual bill savings in The Common often fall into these ranges:
• Old electric to heat pump hot water system: save about $350–$700 per year. • Gas to heat pump hot water: save roughly $250–$600 per year. • Gas to solar hot water system: save around $300–$650 per year. • Old electric to modern electric hot water installation with solar: save about $250–$500 per year.
These are general ranges, but they show why locals are increasingly choosing an energy efficient hot water system, especially when combined with solar power.
Efficient hot water is not just a theory in The Common – it is already happening. There have been 3,482 efficient hot water installations recorded in the 4701 postcode, including both heat pump and solar hot water systems. Install numbers climbed steadily through the 2000s, peaking around 2009–2010, then picked up again from 2020 with strong years in 2020 and 2021 as more residents chased lower running costs and electrification. That recent growth reflects a clear trend: people want reliable hot water QLD homes can count on, without the shock when the bill arrives.
Hot Water Rebates, Tariffs & Savings
For homeowners and businesses in The Common, there is strong interest in replacing old gas or electric units with efficient options like a heat pump hot water system, a new solar hot water heating system or a modern electric hot water system. Federal incentives such as Small‑scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, cutting the upfront solar hot water price or heat pump hot water price by a substantial margin. On top of that, Queensland hot water rebate programs and electric hot water system rebate offers may be available from time to time, further reducing the overall hot water system cost. Together, these can shave thousands off a quality system and shorten the payback period to just a few years, especially if you use timers or solar diversion to run your hot water mostly on cheap or free solar. Many households see their solar hot water price / cost or heat pump hot water price / cost largely offset within the first few years through bill savings alone.
If you are in The Common and your current unit is getting old, noisy or unreliable, it is a good time to check whether a hot water repair will do the job or whether a full upgrade makes more sense. Whether you are comparing electric hot water vs gas hot water, weighing up heat pump vs solar hot water, or looking at brands like Rheem, Rinnai, Sanden or Chromagen solar hot water, working with experienced local specialists matters. Efficient hot water systems can cut emissions, reduce bills and future‑proof your home in a suburb that is already leaning into sustainability. Talk with trusted local experts in The Common for personalised advice on heat pump hot water installation, solar hot water repair, solar hot water tank replacement or electric hot water installation, and find the best hot water system Australia has to offer for your place.