Hot Water Systems in National Park
The 7140 postcode, covering National Park, Black Hills, Boyer, Bradys Lake, Bronte Park, Bushy Park, Butlers Gorge, Dee, Derwent Bridge, Ellendale, Fentonbury, Fitzgerald, Florentine, Glenfern, Glenora, Gretna, Hamilton, Hayes, Hollow Tree, Karanja, Lachlan, Lake St Clair, Lawitta, Little Pine Lagoon, London Lakes, Macquarie Plains, Magra, Malbina, Maydena, Meadowbank, Molesworth, Moogara, Mount Field, Mount Lloyd, New Norfolk, Osterley, Ouse, Plenty, Rosegarland, Sorell Creek, Strickland, Styx, Tarraleah, Tyenna, Uxbridge, Victoria Valley, Wayatinah and Westerway and surrounding areas, is home to around 5,365 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 National Park and the 7140 area, 123 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 National Park'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 7140
22nd
State Wide
1309th
Australia Wide
Hot Water Installation National Park
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 National Park
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterNational Park
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 National Park
Compare heat pump hot water systems suitable for National Park'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 - National Park, 7140
Hot Water Demographics - National Park
Based on the Australian Bureau of Statistics 2021 Census (ABS), National Park has around 5,365 private dwellings, home to approximately 11,086 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, National Park households use approximately 120 litres of hot water daily, equating to a massive 0.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce National Park's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The National Park community is home to 776 couple families with children and 352 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,743 homes owned with a mortgage and 1,676 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.
National Park is converting hot water demand to efficient systems faster than many peers, with 2.3% of dwellings already upgraded.
Hot water systems in National Park
Around National Park, more locals are rethinking their hot water system and swapping old gas or ageing electric units for efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. With an average household size of about 2.4 people and more than 4,500 dwellings across the 7140 postcode, hot water is a big slice of energy use – so improving efficiency can make a real dent in bills for families, retirees and small businesses alike.
Despite the cool Tasmanian climate, National Park actually enjoys solid sun for a solar hot water heating system. The local weather station records mean daily solar exposure of around 13.7 MJ/m², which is roughly 3.8 kWh per square metre per day over the year. That is strong enough to support both a quality solar hot water system and an efficient heat pump hot water system using the outdoor air. For many homes that already have rooftop solar, pairing it with a heat pump or solar hot water installation is a logical next step towards an all‑electric home.
Household incomes in the area are modest, with median household income around $1,197 a week and mortgages and rents relatively manageable. That makes controlling running costs important. Upgrading from an older electric hot water system or gas unit to an energy efficient hot water system can deliver meaningful annual hot water energy savings without sacrificing comfort, which matters in a region with a sizeable over‑65 population and many families.
Across postcode 7140 there have been 123 efficient hot water installations recorded – a mix of heat pump hot water installation and solar hot water installation. Install numbers really picked up between 2008 and 2012, peaking in 2011, reflecting strong interest in heat pump vs solar hot water when earlier rebates were at their best. While installations have slowed more recently, the groundwork is there: more homes now understand how a heat pump hot water system or solar hot water vs electric hot water can trim power bills and reduce exposure to rising gas prices.
For a typical National Park household, hot water can be 20–30% of total energy use, especially in older three‑bedroom homes. Swapping to the most efficient hot water system you can afford is often one of the quickest upgrades to pay back. As a rough guide, annual bill savings might look like this:
• Old electric to heat pump hot water system: save about $350–$700 a year • Gas to heat pump hot water system: save about $250–$600 a year • Gas to solar hot water system: save about $200–$550 a year • Old electric to modern electric hot water installation powered by solar: save about $200–$450 a year
Locally, brands like Rheem, Rinnai, Sanden and Thermann are common choices. Rheem solar hot water and Rinnai solar hot water are often used where roof space and orientation suit a roof‑mounted solar hot water tank replacement. For colder climates, a Sanden heat pump or Rheem heat pump hot water unit is popular because they are designed to stay efficient even when the temperature drops, helping position them among the best heat pump hot water system options for southern Tasmania. Many homeowners also ask about Chromagen solar hot water or other reputable brands when comparing solar hot water price / cost against heat pump hot water price / cost and long‑term savings.
In National Park, hot water repair and replacement decisions are increasingly tied to rebates. The Australian Government’s Small‑scale Technology Certificates (STCs) effectively act as an upfront solar hot water rebate or heat pump hot water rebate, cutting the solar hot water price / cost or heat pump hot water price / cost by a substantial margin. On top of this, Tasmanian and federal programmes periodically offer extra incentives that can work like an electric hot water system rebate when you choose an approved energy efficient hot water system. These discounts can reduce the hot water system price / cost by thousands of dollars in some cases, shortening payback to just a few years, especially if you use timers or solar diversion so your electric hot water system runs mainly on your own solar.
For many households, the big question is heat pump vs solar hot water, or even solar hot water vs electric hot water. The right answer depends on your roof, budget, existing wiring and whether you plan to move away from gas entirely. The best hot water system Australia‑wide for you will balance upfront cost, rebates, running costs and reliability in Tassie’s conditions. In some cases, a simple but efficient electric hot water installation on a controlled tariff still makes sense, particularly when combined with rooftop solar and an electric hot water system rebate.
If your current system is older, noisy, rusty or needing regular hot water repair, it is worth getting tailored advice on hot water TAS options before it fails in the middle of winter. National Park has strong potential for efficient hot water TAS upgrades thanks to good solar exposure, a high share of separate houses and growing interest in sustainability and lower bills. By choosing experienced local installers who specialise in heat pump hot water installation, solar hot water repair, solar hot water tank replacement and modern electric hot water installation, you can cut running costs, reduce emissions and future‑proof your home. When you are ready to explore hot water rebate TAS options and find the most efficient hot water system for your place in National Park, connect with trusted local experts for personalised advice with us and see how much you could save.
