Hot Water in Underwood, TAS

Hot Water Systems in Underwood

The 7268 postcode, covering Underwood, Lilydale and North Lilydale and surrounding areas, is home to around 443 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 Underwood and the 7268 area, 37 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 Underwood'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.

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Hot Water Ranking

Postcode 7268

55th

State Wide

1874th

Australia Wide

Hot Water Installation Underwood

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 Underwood

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

Solar Powered Hot WaterUnderwood

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 Underwood

Compare heat pump hot water systems suitable for Underwood'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 - Underwood, 7268

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Hot Water Demographics - Underwood

Based on the Australian Bureau of Statistics 2021 Census (ABS), Underwood has around 443 private dwellings, home to approximately 998 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Underwood households use approximately 125 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.

Other census insights reinforce Underwood's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Underwood community is home to 84 couple families with children and 20 one-parent families, meaning a large proportion of households face substantial hot water demand. With 154 homes owned with a mortgage and 192 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.

Underwood is converting hot water demand to efficient systems faster than many peers, with 8.4% of dwellings already upgraded.

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Hot water systems in Underwood

In Underwood, hot water is a big chunk of the power bill, so more locals are looking at upgrading to an energy efficient hot water system rather than just replacing like‑for‑like. With most of the 407 dwellings being separate houses and an average household size of around 2.5 people, a correctly sized hot water system can make a real difference to comfort and running costs. Many homes are owned outright or with a mortgage, which makes long‑term savings and adding value to the property a smart priority.

Underwood enjoys solid solar exposure for Tasmania, with average annual sun of about 14.5 MJ/m² a day – roughly 4 kWh/m² – which is ideal for a modern solar hot water system or high‑efficiency heat pump hot water system. Shifting from older gas or resistive electric units to an energy efficient hot water system can cut hot water energy use by more than half, delivering strong Annual Hot Water Energy Savings for local homeowners. That is why you are seeing more interest in options like a solar hot water heating system on the roof, or a quiet, compact heat pump hot water installation beside the house, often paired with existing rooftop solar.

Across the 7268 postcode, families and downsizers alike are comparing heat pump vs solar hot water, as well as solar hot water vs electric hot water, to see what suits their block, roof space and budget. A typical three‑bedroom home might look at brands such as Rheem heat pump hot water or Sanden heat pump units for ultra‑efficient performance, or Rheem solar hot water and Chromagen solar hot water if the roof has good north‑facing exposure. For some properties, a modern electric hot water system with a timer, paired with solar, still provides a very efficient hot water upgrade.

In Underwood 7268 there have already been 37 efficient hot water installations, including both heat pump and solar hot water installation jobs. Install numbers rose steadily through the 2000s, peaking around 2009–2012 when several systems were installed each year, then ticking along with further upgrades in 2015, 2016, 2020 and even 2025. This steady pattern shows a growing local interest in electrification, lower running costs and moving away from old gas hot water where possible. Each new hot water installation helps build community experience with what really is the most efficient hot water system for our local climate.

For many households, the big question is hot water system price and ongoing cost. While a quality heat pump hot water price or solar hot water price can be higher upfront than a basic electric hot water system cost, rebates and bill savings usually close the gap quickly. Typical annual bill savings in Underwood look like:

• Old electric to heat pump hot water system: save roughly $350–$700 per year. • Gas to heat pump hot water system: save around $250–$600 per year. • Gas to solar hot water system: save about $300–$650 per year. • Old electric to modern electric hot water installation with solar: save roughly $200–$500 per year.

Choosing from the best hot water system Australia has to offer is easier with experienced local advice. Many Underwood homes are now weighing up the best heat pump hot water system from brands like Sanden or Rheem against roof‑mounted options such as Rheem solar hot water or Chromagen solar hot water. A well‑planned system can also make use of timers or solar‑diversion controls so your hot water repair and running costs stay low over the long term. When a unit is ageing or leaking, a solar hot water tank replacement or heat pump swap‑out can be a perfect time to rethink capacity, tariffs and efficiency.

Hot Water Rebates, Tariffs & Savings

Around Underwood, more households are replacing tired gas or electric units with efficient options such as heat pump hot water, updated electric hot water system models, or a full solar hot water heating system. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible heat pump hot water installation and solar hot water installation projects, effectively acting as an upfront discount. On top of that, Tasmanian hot water rebate TAS programmes and broader hot water rebate TAS offers can further reduce what you pay on the day. In practice, these incentives can cut the system cost by a substantial percentage, especially for high‑efficiency units.

When you combine rebates, STCs and smart tariffs, payback periods on an efficient hot water upgrade can drop to just a few years, particularly if you already have solar. Many households see hundreds of dollars per year off their bills, especially when they use timers or solar‑diversion so their electric hot water system or heat pump runs mainly on cheap daytime energy. For some, shifting from electric hot water vs gas hot water is about reliability and simplicity; for others, it is about emissions and future‑proofing as energy prices change.

If you are in Underwood and your current unit is nearing the end of its life, this is a good time to check whether a heat pump, solar hot water system or efficient electric hot water installation is right for you. Working with experienced hot water installers who understand hot water TAS conditions means you get tailored advice on brands, sizing, tariffs and hot water repair or replacement options. With growing local interest in sustainability and energy efficient hot water system upgrades, a carefully chosen system can reduce your bills, cut emissions and make your home more comfortable all year round. For personalised guidance on the best solution for your place, connect with trusted local experts and explore your options with us today.

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