Hot Water in Hollow Tree, TAS

Hot Water Systems in Hollow Tree

The 7140 postcode, covering Hollow Tree, Black Hills, Boyer, Bradys Lake, Bronte Park, Bushy Park, Butlers Gorge, Dee, Derwent Bridge, Ellendale, Fentonbury, Fitzgerald, Florentine, Glenfern, Glenora, Gretna, Hamilton, Hayes, Karanja, Lachlan, Lake St Clair, Lawitta, Little Pine Lagoon, London Lakes, Macquarie Plains, Magra, Malbina, Maydena, Meadowbank, Molesworth, Moogara, Mount Field, Mount Lloyd, National Park, 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 Hollow Tree 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 Hollow Tree's climate delivering an average of 4.0 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.

Icon

Hot Water Ranking

Postcode 7140

22nd

State Wide

1309th

Australia Wide

Hot Water Installation Hollow Tree

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 Hollow Tree

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterHollow Tree

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.

Financial Ad Icon

Want Solar Finance Options?

Compare lenders and get tailored loan offers.

Heat Pump Hot Water Systems for Hollow Tree

Compare heat pump hot water systems suitable for Hollow Tree'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 - Hollow Tree, 7140

Icon

Hot Water Demographics - Hollow Tree

Based on the Australian Bureau of Statistics 2021 Census (ABS), Hollow Tree 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, Hollow Tree 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 Hollow Tree's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Hollow Tree 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.

Hollow Tree is converting hot water demand to efficient systems faster than many peers, with 2.3% of dwellings already upgraded.

Icon

Hot water systems in Hollow Tree

Across Hollow Tree and the wider 7140 area, more households are shifting from old gas and ageing electric units to modern, energy efficient hot water options. With an average household size of around 2.4 people and more than 4,500 occupied dwellings in the postcode, reliable hot water is essential, but so is keeping running costs down. Many families and older residents on fixed incomes are now looking at whether a heat pump hot water system, solar hot water system or efficient electric hot water system will give them the best balance of comfort and savings.

Hollow Tree’s climate is better suited to efficient hot water than you might think. Nearby Hamilton records an average annual solar exposure of about 14.2 MJ/m² per day, which works out to roughly 4 kWh/m² of sunshine every day over the year. That steady solar resource means both a solar hot water heating system and a quality heat pump hot water system can perform well, especially when paired with rooftop solar. As power prices rise and more homes in 7140 move away from bottled gas and old resistive cylinders, upgrading your hot water system is a logical next step to lock in long term savings.

In a postcode with over 4,500 separate houses and a strong mix of homes owned outright or with a mortgage, there is clear potential for smarter hot water installation choices. Many three and four bedroom homes have higher hot water demand, especially families with teenagers or multi generational households. For these homes, the most efficient hot water system is often either a heat pump hot water system or a well sized solar hot water system backed up by an efficient electric element. Brands like Rheem, Rinnai, Sanden and Thermann are common choices locally, offering options from traditional electric hot water installation through to premium sanden heat pump units and rheem solar hot water packages that pair neatly with your existing solar.

To give you a feel for potential savings, here are typical annual bill reductions when upgrading your hot water in Hollow Tree:

• Old electric to heat pump hot water installation: save roughly $350–$700 per year. • Gas to heat pump vs solar hot water: either option can often cut $300–$650 per year, depending on usage. • Gas to solar hot water installation with electric boost: around $300–$600 per year. • Old electric to a modern electric hot water installation using rooftop solar: about $200–$450 per year.

Over time, those savings can comfortably offset the hot water system price or cost. Even when you factor in a higher upfront heat pump hot water price or cost, the lower running bills usually make it one of the best heat pump hot water system options for long term value. For many households, a quality rheem heat pump hot water or sanden heat pump will be among the best hot water system Australia can offer for cold climate performance, while rinnai solar hot water or chromagen solar hot water packages suit homes with excellent north facing roof space.

Recent installation data tells the story locally. In the Hollow Tree postcode, there have been 123 efficient hot water installations recorded, including both heat pump and solar hot water installation jobs. Uptake really accelerated between about 2008 and 2013, with peak years such as 2009 and 2011 seeing double digit installs as rebates and rising power prices pushed people towards an energy efficient hot water system. While the last few years show fewer recorded installs, interest in electrification and lower running costs is climbing again as more residents compare solar hot water vs electric hot water and electric hot water vs gas hot water for their next upgrade.

Hot Water Rebates, Tariffs & Savings

For Hollow Tree homeowners, one of the biggest drawcards for upgrading is the range of hot water rebate TAS programs and federal incentives available. Even if you are just starting to look at options, it is worth knowing that a solar hot water rebate, heat pump hot water rebate and even an electric hot water system rebate may apply, depending on the exact product and installer. Federal Small scale Technology Certificates (STCs) can significantly reduce the solar hot water price or cost and heat pump hot water price or cost at the point of sale, while state programmes can add further discounts that effectively shave a substantial percentage off your upfront outlay.

Once installed, an efficient heat pump or solar hot water system can trim hundreds of dollars per year from your power bills, especially if you run the unit on a controlled load or daytime solar. Many Hollow Tree households are now using timers or solar diversion controls so their hot water system soaks up excess rooftop solar, turning it into free hot showers instead of exporting cheap power back to the grid. That combination of rebates, smart tariffs and lower usage can slash payback periods, often bringing them down to just a few years for well chosen systems.

If your current unit is leaking, more than 10 years old, or you are facing a costly hot water repair, it is the ideal time to rethink your setup rather than just like for like replacement. Whether you need a full solar hot water tank replacement, a new electric hot water system, or are weighing up heat pump vs solar hot water for a new build, choosing the right system and size for your Hollow Tree home is crucial.

If you are in Hollow Tree and wondering whether to stick with gas, choose a modern electric hot water system, or move to a heat pump or solar hot water system, now is a smart time to explore your options. With solid solar resources, strong local interest in sustainability and generous incentives, efficient hot water can cut your bills, reduce emissions and future proof your home. Talk with our experienced local hot water installers and repair specialists to compare options, check eligibility for hot water rebate TAS programmes, and get personalised advice on the best solution for your household.

Nearby Suburbs

See Also