Hot Water Systems in Harrow
The 3317 postcode, covering Harrow and surrounding areas, is home to around 104 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 Harrow and the 3317 area, 1 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 Harrow's climate delivering an average of 4.5 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 3317
681st
State Wide
2619th
Australia Wide
Hot Water Installation Harrow
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 Harrow
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterHarrow
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 Harrow
Compare heat pump hot water systems suitable for Harrow'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 - Harrow, 3317
Hot Water Demographics - Harrow
Based on the Australian Bureau of Statistics 2021 Census (ABS), Harrow has around 104 private dwellings, home to approximately 174 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Harrow households use approximately 115 litres of hot water daily, equating to a massive 0.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Harrow's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Harrow community is home to 8 couple families with children and 4 one-parent families, meaning a large proportion of households face substantial hot water demand. With 21 homes owned with a mortgage and 36 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.
Harrow is converting hot water demand to efficient systems faster than many peers, with 1.0% of dwellings already upgraded.
Hot water systems in Harrow
Across Harrow, more locals are rethinking their old hot water system and looking at smarter options like a heat pump hot water system, solar hot water system and modern electric hot water system. With most homes here being separate houses and an average household size of around 2.3 people, hot showers, laundry and dishwashing all add up on the power bill. For many owners who have paid off their home or are on modest mortgages and fixed incomes, upgrading to an energy efficient hot water system is a logical next step to keep running costs down.
Harrow’s sunshine makes it a great spot for efficient hot water. The town’s mean daily solar exposure sits at about 16.2 MJ/m², or roughly 4.5 kWh/m² per day over the year, which is strong support for both a solar hot water heating system and a quality heat pump hot water system. That level of solar energy means a well‑designed solar hot water installation or heat pump hot water installation can deliver solid annual hot water energy savings compared with older gas or resistive electric units. For households weighing up heat pump vs solar hot water, both can work well in Harrow’s climate; the right choice often comes down to roof space, budget and how you use hot water.
In postcode 3317 there are around 77 occupied dwellings, many owned outright, so long‑term savings matter more than short‑term quick fixes. Hot water can be one of the biggest energy users in a small home, especially if you are still on gas or an old electric hot water system. Swapping to the most efficient hot water system you can afford – whether that’s a high‑performance heat pump, a roof‑mounted solar hot water system with a tank, or an efficient electric hot water installation paired with rooftop solar – can noticeably cut bills.
Typical annual bill savings in a town like Harrow can look like: • Old electric to heat pump hot water system: $400–$800 per year • Gas to heat pump hot water: $300–$700 per year • Gas to solar hot water system: $250–$600 per year • Old electric to modern electric hot water with solar PV: $250–$500 per year
Brands such as Rheem heat pump hot water and Rheem solar hot water are common choices for rural properties that want reliability and easy hot water repair options. Rinnai solar hot water and Chromagen solar hot water also appear regularly on homes going all‑electric, while premium systems like a Sanden heat pump are often shortlisted by people chasing the best heat pump hot water system and the best hot water system Australia can offer for low running costs.
Efficient hot water is still emerging in Harrow. Local data shows just 1 efficient hot water installation (solar or heat pump) recorded in the postcode so far, in 2019. While that number is small, it reflects a growing interest in electrification, solar hot water vs electric hot water comparisons, and lower running costs. As energy prices rise, more Harrow homeowners are asking about hot water system price, heat pump hot water price and solar hot water price, and looking at whether a solar hot water tank replacement or a full heat pump upgrade makes more sense.
Even with limited historical hot water installations, interest in replacing ageing gas units and old electric cylinders is rising across Harrow, VIC. Federal incentives, such as Small‑scale Technology Certificates (STCs), can reduce the upfront hot water system cost for eligible solar hot water and heat pump units. On top of that, Victorian programmes often provide a heat pump hot water rebate, solar hot water rebate and even an electric hot water system rebate in some schemes, cutting the effective heat pump hot water cost or solar hot water price by a substantial percentage. When you combine rebates, STCs and rooftop solar, payback periods can shrink to just a few years, especially if you use timers or solar‑diversion to heat water when your panels are generating.
For many households in Harrow, electric hot water vs gas hot water is no longer just about convenience – it is about future‑proofing. A modern, energy efficient hot water system can reduce bills, cut emissions and make your home more comfortable and resilient. Whether you need hot water repair, solar hot water repair or are planning a full hot water installation or solar hot water tank replacement, it pays to talk to experienced local specialists who understand hot water VIC conditions. If you are wondering whether a solar hot water vs electric hot water upgrade or a new heat pump is right for your place, now is a good time to check if your Harrow home is ready for a smarter hot water system and connect with trusted local experts for personalised advice with us.