Hot Water Systems in Grasstree Hill
The 7017 postcode, covering Grasstree Hill, Honeywood, Old Beach, Otago, Risdon and Tea Tree and surrounding areas, is home to around 2,396 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 Grasstree Hill and the 7017 area, 93 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 Grasstree Hill's climate delivering an average of 3.9 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 7017
32nd
State Wide
1462nd
Australia Wide
Hot Water Installation Grasstree Hill
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 Grasstree Hill
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterGrasstree Hill
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 Grasstree Hill
Compare heat pump hot water systems suitable for Grasstree Hill'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 - Grasstree Hill, 7017
Hot Water Demographics - Grasstree Hill
Based on the Australian Bureau of Statistics 2021 Census (ABS), Grasstree Hill has around 2,396 private dwellings, home to approximately 5,997 people. With an average household size of 2.6 people, and around 50 litres of hot water used per person each day in Australia, Grasstree Hill households use approximately 130 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 Grasstree Hill's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Grasstree Hill community is home to 553 couple families with children and 124 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,154 homes owned with a mortgage and 857 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.
Grasstree Hill is converting hot water demand to efficient systems faster than many peers, with 3.9% of dwellings already upgraded.
Hot water systems in Grasstree Hill
In Grasstree Hill, more locals are swapping old gas and tired electric units for an energy efficient hot water system that actually keeps bills under control. With most of the 2,298 dwellings in the 7017 postcode being separate houses and an average household size of 2.6 people, hot water demand is solid year‑round. Power prices bite into the typical household income of around $1,885 a week, so choosing the best hot water system Australia has to offer is becoming a smart financial move, not just a green one.
Grasstree Hill is well suited to efficient hot water upgrades. The nearby Richmond weather station records about 14.0 MJ/m² of solar exposure a day across the year – roughly 3.9 kWh/m²/day – which is strong support for both a solar hot water system and a modern heat pump hot water system. That kind of sunlight helps a solar hot water heating system pre‑heat your tank, and gives heat pump hot water technology plenty of free ambient energy to work with, especially when paired with rooftop solar.
Across the 7017 area there are 2,126 separate houses, many owned with a mortgage or owned outright, so long‑term running costs really matter. For a typical family of three or four, hot water can be one of the biggest single loads on the power bill. Shifting from an old electric hot water system or gas storage unit to an energy efficient hot water system like rheem heat pump hot water, a sanden heat pump or a quality solar hot water installation from brands such as Rheem or Rinnai can dramatically cut usage. For some homes, a modern electric hot water installation timed to run on solar power can also stack up well.
Average annual savings in Grasstree Hill will vary, but these ranges are realistic for local homes:
• Old electric to heat pump hot water system: save around $350–$700 per year • Gas storage to heat pump: save around $250–$600 per year • Gas storage to solar hot water system: save around $200–$550 per year • Old electric to modern electric hot water system with solar: save around $200–$500 per year
Well‑known brands like Rheem and Rinnai are common choices for solar hot water vs electric hot water comparisons, with options such as rheem solar hot water, rinnai solar hot water and chromagen solar hot water all available. For those chasing the most efficient hot water system, premium units like a sanden heat pump or other best heat pump hot water system contenders can deliver very low running costs, especially when sized correctly for local household demand.
Grasstree Hill has already seen 93 efficient hot water systems installed, combining heat pump hot water installation and solar hot water installation projects. Installations really took off around 2009–2012, with a peak of 20 systems in 2012, and steady activity continuing through to 2024. This trend shows growing local interest in electrification, hot water repair and replacement, and lower running costs for families and older residents alike.
Hot Water Rebates, Tariffs & Savings
For homeowners considering hot water TAS upgrades, there is strong support from both federal and state programs. The Australian Government’s Small‑scale Technology Certificates (STCs) reduce the upfront solar hot water price / cost and heat pump hot water price / cost when you install approved systems. On top of this, Tasmanian schemes and retailer offers can act like a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate in some cases, trimming the hot water system price / cost significantly. For many Grasstree Hill homes, these discounts can knock thousands off the sticker price, cutting payback periods to just a few years. Combine a heat pump vs solar hot water upgrade with rooftop solar, smart tariffs, timers or solar‑diversion, and it is realistic to save hundreds of dollars a year while moving away from gas and improving reliability.
Whether you are comparing electric hot water vs gas hot water, weighing up heat pump vs solar hot water, or planning a solar hot water tank replacement and solar hot water repair, it pays to get local advice. If your current unit is more than 10 years old, running out of hot water, or costing a fortune to run, now is a good time to check if your Grasstree Hill home is ready for a hot water upgrade. Talk with experienced hot water TAS installers like us – heat pump and solar hot water specialists – to find the right energy efficient hot water system, from rheem solar hot water to sanden heat pump options. With Grasstree Hill’s solid solar exposure and growing interest in sustainability, an efficient hot water system can help cut bills, reduce emissions and future‑proof your home. Connect with trusted local experts for personalised advice with us and plan your next hot water installation or hot water repair the smart way.