Hot Water Systems in Hillside
The 3037 postcode, covering Hillside, Calder Park, Plumpton, Delahey, Sydenham and Taylors Hill and surrounding areas, is home to around 16,380 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 Hillside and the 3037 area, 2,113 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 Hillside's climate delivering an average of 4.2 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 3037
37th
State Wide
99th
Australia Wide
Hot Water Installation Hillside
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 Hillside
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterHillside
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 Hillside
Compare heat pump hot water systems suitable for Hillside'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 - Hillside, 3037
Hot Water Demographics - Hillside
Based on the Australian Bureau of Statistics 2021 Census (ABS), Hillside has around 16,380 private dwellings, home to approximately 49,328 people. With an average household size of 3.1 people, and around 50 litres of hot water used per person each day in Australia, Hillside households use approximately 155 litres of hot water daily, equating to a massive 2.5 million litres of hot water used across the suburb every single day.
Other census insights reinforce Hillside's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Hillside community is home to 4,875 couple families with children and 952 one-parent families, meaning a large proportion of households face substantial hot water demand. With 7,687 homes owned with a mortgage and 4,749 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.
Hillside is converting hot water demand to efficient systems faster than many peers, with 12.9% of dwellings already upgraded.
Hot water systems in Hillside
Across Hillside, more homeowners are swapping old gas and ageing electric units for modern, energy efficient hot water systems. With an average household size of around 3.1 people and more than 15,700 dwellings in the 3037 area, hot water is a big chunk of local energy use. Rising power prices and solid median household incomes mean many families are now seeing a heat pump hot water system, solar hot water system or efficient electric hot water system as a smart next step.
Hillside’s climate is well suited to efficient hot water. Nearby Sydenham records around 15 MJ/m² of solar exposure annually – roughly 4.2 kWh of usable energy per square metre per day – which is excellent for both a solar hot water heating system and high performance heat pump hot water. When you combine that with strong home ownership (over 12,400 homes owned outright or with a mortgage), upgrading from older gas or resistive electric hot water to an energy efficient hot water system can lock in serious long term savings. For many Hillside households, annual hot water energy savings can easily reach hundreds of dollars a year, especially when paired with rooftop solar.
In 3037, most homes are three or four bedroom separate houses, so hot water demand is steady and family focused. That makes choosing the best hot water system Australia can offer for your household size important. Popular options locally include Rheem solar hot water and Rheem heat pump hot water units, as well as Rinnai solar hot water and premium Sanden heat pump systems for those chasing the most efficient hot water system possible. Brands like Solahart and Chromagen solar hot water are also well known for solar hot water installation and solar hot water tank replacement when older systems fail.
Typical annual bill savings in Hillside for a well sized hot water installation look like:
• Old electric to heat pump hot water installation: $400–$900 per year • Gas to heat pump hot water system: $300–$700 per year • Gas to solar hot water system: $250–$600 per year • Old electric to modern electric hot water installation with good rooftop solar: $250–$600 per year
Local data shows how quickly Hillside has embraced efficient hot water. There have been 2,113 efficient hot water systems installed in the postcode, including both solar hot water and heat pump hot water installation jobs. Installations ramped up sharply from 2006, peaking around 2008–2010 with more than 200 systems per year, and have continued steadily since with dozens of new systems added each year through to 2025. This long term trend reflects strong local interest in electrification, lower running costs and moving away from gas hot water.
Hot Water Rebates, Tariffs & Savings
Across Hillside VIC, more households are now planning to replace old gas or electric hot water with options like a heat pump hot water system, a modern electric hot water system or a solar hot water heating system. Australian Government Small-scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively cutting the solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of that, Victorian state programs often offer a heat pump hot water rebate or solar hot water rebate, and sometimes an electric hot water system rebate, which can further reduce upfront hot water system price / cost by a sizeable percentage.
For many Hillside homes, switching from electric hot water vs gas hot water to an efficient heat pump or solar hot water vs electric hot water can trim hundreds of dollars off annual bills. When you combine rebates, STCs and smart tariffs – for example, running your hot water system VIC wide on off peak power or using timers and solar diversion with rooftop PV – payback periods can be cut to just a few years. With the right design, a hot water system VIC homeowners install today can act like a thermal battery, soaking up cheap solar and delivering reliable hot water day and night.
If you are in Hillside and your current unit is more than 10 years old, noisy, or struggling to keep up, it is a good time to compare heat pump vs solar hot water and modern electric options. Working with experienced local installers like us means your hot water repair or hot water installation is sized correctly, eligible for any available hot water rebate VIC offers, and set up to maximise savings. Whether you are considering Rheem solar hot water, a Sanden heat pump or another best heat pump hot water system, an expert can help you choose the right energy efficient hot water system to reduce bills, cut emissions and future proof your home. Reach out to trusted Hillside hot water specialists for personalised advice and see what an upgrade could do for your household.