Hot Water Systems in Carrum
The 3197 postcode, covering Carrum and Patterson Lakes and surrounding areas, is home to around 5,346 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 Carrum and the 3197 area, 185 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 Carrum'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 3197
301st
State Wide
1071st
Australia Wide
Hot Water Installation Carrum
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 Carrum
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterCarrum
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 Carrum
Compare heat pump hot water systems suitable for Carrum'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 - Carrum, 3197
Hot Water Demographics - Carrum
Based on the Australian Bureau of Statistics 2021 Census (ABS), Carrum has around 5,346 private dwellings, home to approximately 11,583 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Carrum households use approximately 120 litres of hot water daily, equating to a massive 0.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce Carrum's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Carrum community is home to 949 couple families with children and 249 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,914 homes owned with a mortgage and 1,745 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.
Carrum is converting hot water demand to efficient systems faster than many peers, with 3.5% of dwellings already upgraded.
Hot water systems in Carrum
In Carrum, more locals are rethinking how they heat their water. With power prices biting and many homes still on older gas or electric units, upgrading to a modern hot water system is becoming a smart, everyday decision. Carrum enjoys strong sunshine, with average solar exposure around 15.2 MJ/m² a day (about 4.2 kWh/m²), which makes both a heat pump hot water system and a solar hot water system work efficiently all year round.
Carrum has about 4,877 occupied dwellings and an average household size of 2.4 people, so hot water demand is steady across families, couples and downsizers. With more than 3,600 homes owned outright or with a mortgage, plenty of households are in a good position to invest in an energy efficient hot water system that cuts running costs for the long term. For many, moving from old gas or an ageing electric hot water system to a heat pump hot water system or solar hot water heating system can trim hundreds of dollars a year off bills. Over a decade, those Annual Hot Water Energy Savings really add up.
In 3197, most homes are two– and three–bedroom houses and townhouses, so common options include a 250–315L electric hot water installation, a 250–315L heat pump hot water installation or a roof‑mounted solar hot water installation with a 250–300L solar hot water tank replacement. Brands like Rheem, Rinnai, Sanden and Thermann are popular, with Rheem solar hot water and Rinnai solar hot water well known on local roofs, while premium heat pumps such as a Sanden heat pump or Rheem heat pump hot water unit suit households chasing the most efficient hot water system they can get.
Typical savings in Carrum for a well‑matched system look like this:
• Old electric to heat pump: save around $350–$700 a year on bills. • Gas to heat pump: save roughly $250–$600 a year. • Gas to solar hot water: save about $250–$550 a year. • Old electric to modern electric with solar: save about $200–$450 a year.
Across Carrum there have been 185 efficient hot water systems installed so far, combining both heat pump and solar hot water installation jobs. Installations ramped up sharply around 2009, with 42 systems going in that year, and have continued steadily with more recent growth again from 2022 onwards. This trend shows growing interest in electrification, lower running costs and moving towards the best hot water system Australia can offer for modern all‑electric homes.
When comparing heat pump vs solar hot water, both can be very efficient in Carrum’s climate. A heat pump hot water price / cost is often lower upfront than a full solar hot water system, while a solar hot water price / cost can be offset more if you have a big north‑facing roof. Either way, pairing an energy efficient hot water system with rooftop solar is a strong way to cut bills. For some homes, a new efficient electric hot water installation timed to run on solar can also beat older systems in the solar hot water vs electric hot water debate. It is also worth weighing up electric hot water vs gas hot water, as gas prices rise and more households look to go all‑electric.
For hot water repair and hot water installation in Carrum, VIC, it pays to work with specialists who know how to size systems for local families and small businesses. They can also help with solar hot water repair, emergency hot water repair, and advice on the best heat pump hot water system for your budget.
Hot Water Rebates, Tariffs & Savings
Across Carrum, more households are replacing old gas or electric units with efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as an upfront discount. On top of that, Victorian hot water rebate programs can offer a heat pump hot water rebate, solar hot water rebate or electric hot water system rebate for qualifying homes, bringing the overall hot water system price / cost or heat pump hot water price / cost down significantly. In some cases, these rebates and certificates can cut system cost by 20–40%, and when you combine them with solar, payback periods can shrink to just a few years. Smart use of timers or solar‑diversion controls can push savings even further by heating water when your panels are producing. All of this makes hot water vic upgrades more attractive, and many locals are now actively asking about a hot water rebate vic when planning their next system.
If your current unit is old, noisy or running up big bills, this is a good time to see if your Carrum home is ready for a hot water upgrade. Whether you are switching from gas to a heat pump, comparing heat pump vs solar hot water, or looking at solar hot water vs electric hot water, talking to experienced local hot water installers with us can help you choose the right path. With Carrum’s strong solar exposure and growing focus on sustainability, an efficient hot water system can reduce bills, cut emissions and future‑proof your place. Connect with trusted local experts for personalised advice on hot water Carrum options and make your next system a smart, long‑term investment.