Hot Water Systems in Maria Island
The 7190 postcode, covering Maria Island, Apslawn, Buckland, Cranbrook, Dolphin Sands, Little Swanport, Orford, Pontypool, Rheban, Rocky Hills, Runnymede, Spring Beach, Swansea and Triabunna and surrounding areas, is home to around 2,947 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 Maria Island and the 7190 area, 73 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 Maria Island's climate delivering an average of 3.8 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 7190
39th
State Wide
1570th
Australia Wide
Hot Water Installation Maria Island
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 Maria Island
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMaria Island
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 Maria Island
Compare heat pump hot water systems suitable for Maria Island'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 - Maria Island, 7190
Hot Water Demographics - Maria Island
Based on the Australian Bureau of Statistics 2021 Census (ABS), Maria Island has around 2,947 private dwellings, home to approximately 3,048 people. With an average household size of 2.1 people, and around 50 litres of hot water used per person each day in Australia, Maria Island households use approximately 105 litres of hot water daily, equating to a massive 0.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Maria Island's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Maria Island community is home to 145 couple families with children and 52 one-parent families, meaning a large proportion of households face substantial hot water demand. With 342 homes owned with a mortgage and 809 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.
Maria Island is converting hot water demand to efficient systems faster than many peers, with 2.5% of dwellings already upgraded.
Hot water systems in Maria Island
Across Maria Island and the wider 7190 area, more households are rethinking their old gas and electric hot water system and switching to efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. With energy prices rising and many locals on a median household income of around $975 a week, every bit of bill savings helps. Smaller households (the average household size is just 2.1 people) still use a surprising amount of hot water, so upgrading to an energy efficient hot water system is a logical next step.
Maria Island enjoys strong sunlight for Tasmania, with average solar exposure of about 13.7 MJ/m² per day – roughly 3.8 kWh/m²/day – which is ideal for both a solar hot water heating system and a high quality heat pump hot water system. For many owner‑occupiers (over 800 dwellings are owned outright in the 7190 postcode), that means you can lock in lower running costs for the long term and enjoy solid Annual Hot Water Energy Savings by moving away from older resistive electric or gas hot water units.
Around 1,486 dwellings in the area, mostly separate houses, create steady demand for reliable hot water TAS wide, whether it is for retirees, families or holiday accommodation. Hot water can account for a quarter or more of household energy use, so choosing the most efficient hot water system makes a real dent in your bills. Many locals are comparing electric hot water vs gas hot water, or weighing up heat pump vs solar hot water to find the best fit for their roof space, budget and lifestyle.
Typical annual bill savings in Maria Island for a well‑designed upgrade can look like:
• Old electric to heat pump hot water system: $400–$800 per year • Gas storage to heat pump hot water: $300–$700 per year • Gas to solar hot water system: $250–$600 per year • Old electric to modern electric hot water installation with rooftop solar: $250–$500 per year
Brands like Rheem heat pump hot water and Rheem solar hot water are popular for dependable performance, while Sanden heat pump models are often chosen as some of the best heat pump hot water system options for cold Tasmanian mornings. Rinnai solar hot water and Chromagen solar hot water systems are also common where roof orientation is good, and many locals see them as contenders for the best hot water system Australia can offer in cooler climates.
In the 7190 postcode there have already been 73 efficient hot water installations, combining heat pump hot water installation and solar hot water installation. Installations picked up around 2010–2011, with another strong year in 2014 and steady activity right through to 2025. This pattern shows growing interest in electrification, lower running costs and future‑proof hot water TAS homes that can work hand in hand with rooftop solar.
When it comes to hot water repair and replacement, locals are also thinking about the full life cycle cost. A quality solar hot water tank replacement or solar hot water repair can extend the life of your investment, while a new electric hot water installation sized correctly for your 2–3 bedroom home can keep upfront hot water system price / cost down. Many households now look at heat pump hot water price / cost or solar hot water price / cost over the system’s lifetime, not just the purchase ticket.
Hot Water Rebates, Tariffs & Savings
Across Maria Island there is strong interest in replacing old gas or electric units with efficient options, helped along by generous hot water rebate TAS programs. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible solar hot water and heat pump systems, effectively lowering the heat pump hot water price / cost or solar hot water price / cost at the point of sale. On top of that, state heat pump hot water rebate and solar hot water rebate schemes, and in some cases an electric hot water system rebate, can shave a substantial percentage off the installed cost.
For many homes, these hot water rebate TAS incentives mean a quality energy efficient hot water system can pay for itself in a handful of years, especially when combined with rooftop solar and smart controls. Using timers or solar diversion to run your heat pump during sunny hours can slash the effective cost of hot water even further, and makes solar hot water vs electric hot water comparisons even more compelling.
If your current unit is more than 10 years old, running on gas, or your bills feel too high, this is a good time to see whether a heat pump hot water system, solar hot water system or efficient electric hot water system is right for you. Talk with experienced local hot water installers like us, who understand Maria Island’s climate, tariffs and housing. We can help you compare heat pump vs solar hot water, assess the most efficient hot water system for your home, and guide you through hot water installation, hot water repair and hot water rebate options. Connect with trusted local experts for personalised advice to cut bills, reduce emissions and future‑proof your Maria Island home.