Hot Water Systems in Coonawarra
The 0820 postcode, covering Coonawarra, Bagot, Bayview, Charles Darwin, Cullen Bay, Darwin International Airport, Darwin Mc, East Point, Fannie Bay, Larrakeyah, Ludmilla, Parap, Raaf Base Darwin, Stuart Park, The Gardens, The Narrows, Winnellie, Woolner, Darwin Dc and Eaton and surrounding areas, is home to around 8,510 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 Coonawarra and the 0820 area, 1,362 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 Coonawarra's climate delivering an average of 5.9 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 0820
6th
State Wide
188th
Australia Wide
Hot Water Installation Coonawarra
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 Coonawarra
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterCoonawarra
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 Coonawarra
Compare heat pump hot water systems suitable for Coonawarra'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 - Coonawarra, 0820
Hot Water Demographics - Coonawarra
Based on the Australian Bureau of Statistics 2021 Census (ABS), Coonawarra has around 8,510 private dwellings, home to approximately 18,102 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Coonawarra households use approximately 120 litres of hot water daily, equating to a massive 1.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Coonawarra's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Coonawarra community is home to 1,505 couple families with children and 346 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,783 homes owned with a mortgage and 1,262 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.
Coonawarra is converting hot water demand to efficient systems faster than many peers, with 16.0% of dwellings already upgraded.
Hot water systems in Coonawarra
Across Coonawarra, NT 0820, more locals are rethinking their hot water system and shifting away from old gas and power‑hungry electric units. With energy prices climbing and many households aiming for all‑electric, energy efficient hot water system options like a heat pump hot water system, solar hot water system and modern electric hot water system are becoming the smart next step.
Coonawarra’s climate is ideal for efficient hot water. The area enjoys around 21.3 MJ/m² of mean daily solar exposure each year – roughly 5.9 kWh of sunshine per square metre per day – which is perfect for a solar hot water heating system or a high‑performance heat pump hot water system that uses warm air to heat your water. With an average household size of 2.4 people and a median household income of about $2,308 per week, many families and professionals here are looking for ways to cut running costs without sacrificing comfort. Around 7,581 dwellings – from separate houses to a large number of flats and apartments – means strong demand for reliable hot water NT wide, and Coonawarra is no exception.
In 0820, hot water energy use can be a big share of the power bill, especially in smaller households where air‑conditioning is used year‑round. That is why homeowners are comparing heat pump vs solar hot water and even solar hot water vs electric hot water to find the most efficient hot water system for their situation. Brands like Rheem heat pump hot water units and Sanden heat pump systems are popular for low running costs, while Rheem solar hot water, Chromagen solar hot water and Rinnai solar hot water are trusted options for a roof‑mounted solar hot water installation. For many, the best hot water system Australia can offer is one that works with their existing or planned rooftop solar.
Typical annual bill savings in Coonawarra look like this: • Old electric to heat pump hot water installation: save roughly $350–$700 per year • Gas to heat pump hot water: save around $250–$600 per year • Gas to solar hot water installation: save about $300–$650 per year • Old electric to modern electric hot water installation paired with solar: save around $250–$500 per year
Local installers see strong interest in the best heat pump hot water system options for units and townhouses, while larger family homes often lean towards a solar hot water tank replacement or combined solar hot water system and battery. With 1,362 efficient hot water installations already recorded in the postcode, the trend is clear. Install numbers climbed steadily from the early 2000s, with notable spikes in 2006, 2012, 2017 and 2020, before settling into a consistent stream of upgrades through to 2025. Each new system reflects growing interest in electrification, lower running costs and reduced emissions for Coonawarra households.
Hot Water Rebates, Tariffs & Savings
For Coonawarra residents, replacing old gas or resistive electric units with a heat pump hot water system, newer electric hot water system or solar hot water system is now more affordable thanks to Australian Government incentives. Small‑scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, reducing upfront solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of that, NT homeowners may be able to access state‑based hot water rebate nt style programs or low‑cost finance that further lower the hot water system price / cost of going efficient.
When you combine these rebates with off‑peak tariffs, timers or solar diversion that sends excess rooftop solar into your hot water, payback periods can shrink to just a few years. Many Coonawarra homes are seeing hundreds of dollars a year shaved off bills, especially when moving from electric hot water vs gas hot water to a modern energy efficient hot water system. For some, an electric hot water system rebate helps make a straightforward electric hot water installation attractive, particularly in well‑insulated apartments.
Whether you need hot water repair on an existing unit, solar hot water repair, or a full hot water installation, it pays to compare options like Rheem solar hot water, Rinnai solar hot water, Sanden heat pump and Chromagen solar hot water against your roof space, household size and budget.
If your current unit is old, noisy or struggling, now is a good time to see if your Coonawarra home is ready for a hot water upgrade. Upgrading from gas or an ageing electric tank to a quality heat pump or solar hot water system can cut bills, reduce emissions and future‑proof your property as energy prices change. Work with experienced hot water installers like us – heat pump and solar hot water specialists who understand local conditions – to find the right solution. With Coonawarra’s strong solar exposure and growing focus on sustainability, efficient hot water systems are a simple, practical way to improve comfort and cashflow. Connect with trusted local experts for personalised advice and a quote tailored to your home.