Hot Water Systems in Derwent Park
The 7009 postcode, covering Derwent Park, Lutana, Moonah and West Moonah and surrounding areas, is home to around 5,746 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 Derwent Park and the 7009 area, 101 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 Derwent 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 7009
27th
State Wide
1414th
Australia Wide
Hot Water Installation Derwent 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 Derwent Park
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterDerwent 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 Derwent Park
Compare heat pump hot water systems suitable for Derwent 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 - Derwent Park, 7009
Hot Water Demographics - Derwent Park
Based on the Australian Bureau of Statistics 2021 Census (ABS), Derwent Park has around 5,746 private dwellings, home to approximately 13,126 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Derwent Park households use approximately 120 litres of hot water daily, equating to a massive 0.7 million litres of hot water used across the suburb every single day.
Other census insights reinforce Derwent Park's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Derwent Park community is home to 952 couple families with children and 365 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,633 homes owned with a mortgage and 1,516 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.
Derwent Park is converting hot water demand to efficient systems faster than many peers, with 1.8% of dwellings already upgraded.
Hot water systems in Derwent Park
In Derwent Park, more locals are rethinking their hot water system and moving away from old gas or power‑hungry electric units. With energy prices biting and many households juggling mortgages of around $1,387 a month and median weekly household incomes near $1,427, it makes sense to look at an energy efficient hot water system that can quietly cut running costs in the background. With an average household size of 2.4 people and a big mix of families and renters, reliable, affordable hot water is a must.
Derwent Park’s climate is well suited to efficient options like a heat pump hot water system or a solar hot water system. The local weather station at Lutana records mean daily solar exposure of about 13.7 MJ/m² annually – roughly 3.8 kWh/m² per day – which is plenty to support a modern solar hot water heating system or help a heat pump run efficiently. For many homes, upgrading from an older gas or electric hot water system to a heat pump or solar unit can trim hot water energy use by well over half, delivering strong Annual Hot Water Energy Savings without sacrificing comfort.
Around 5,400 occupied private dwellings in the 7009 postcode means a lot of bathrooms, laundries and kitchens relying on hot water every day. Many of these are three‑bedroom homes, so hot water demand is steady, especially in the cooler months. In this context, the hot water system price or cost over its lifetime matters more than just the upfront figure. A well‑sized heat pump hot water installation or solar hot water installation, often paired with rooftop solar, can be the most efficient hot water system choice for many Derwent Park households.
Typical annual bill savings for local upgrades can look like this: • Old electric to heat pump hot water system: save roughly $350–$700 per year. • Gas to heat pump hot water: save around $250–$500 per year. • Gas to solar hot water system: save about $200–$450 per year. • Old electric to modern electric hot water system with solar: save about $200–$400 per year.
Well‑known brands such as Rheem, Rinnai, Sanden and Thermann are common in Derwent Park, offering a mix of rheem solar hot water, rheem heat pump hot water, rinnai solar hot water and high‑performance options like a sanden heat pump. Many locals simply want the best hot water system Australia can offer for their budget, and increasingly that means the best heat pump hot water system or a quality chromagen solar hot water style setup, rather than sticking with basic electric.
Derwent Park has already seen 101 efficient hot water systems installed in the postcode, combining both heat pump hot water installation and solar hot water installation. Installations peaked in 2011 with 43 systems going in, followed by steady activity through the 2010s and a recent trickle of upgrades in 2020 and 2022. This pattern shows early enthusiasm when rebates first took off, followed by a quieter period as households reassess heat pump vs solar hot water, solar hot water vs electric hot water and electric hot water vs gas hot water in light of new tariffs and technology. Each new install reflects growing interest in electrification, lower running costs and cleaner energy in Derwent Park.
Hot Water Rebates, Tariffs & Savings
Across Tasmania, more people are replacing old gas or ageing electric units with efficient options like heat pump hot water, modern electric hot water system setups and solar hot water systems. For Derwent Park homeowners, federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the solar hot water price or cost and the heat pump hot water price or cost at the point of sale. On top of that, state programs and hot water rebate TAS schemes may offer a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some circumstances. These discounts can effectively knock a substantial percentage off the upfront hot water system price or cost, bringing quality systems within reach.
When you factor in bill savings of hundreds of dollars per year, payback periods can shorten considerably – especially if you run your heat pump on a daytime solar‑friendly tariff or use timers and solar diversion to soak up excess rooftop generation. That is when an energy efficient hot water system really shines, turning free sunshine into long‑term savings and helping hot water TAS households cut emissions.
If your hot water is more than 10 years old, noisy, or you keep needing hot water repair work, it is a good time to compare options like heat pump vs solar hot water and solar hot water vs electric hot water. From electric hot water installation in smaller units through to full solar hot water tank replacement and solar hot water repair on family homes, working with experienced local installers helps you choose the most efficient hot water system for your needs. With Derwent Park’s growing interest in sustainability and strong solar resource, upgrading your hot water system can reduce bills, cut emissions and future‑proof your home. To find out what rebates you may qualify for and which system will suit your household, connect with trusted local hot water experts for personalised advice and a tailored hot water installation or hot water repair plan.
