Hot Water Systems in Kohinoor
The 5223 postcode, covering Kohinoor, Brownlow, D’estrees Bay, Stun’sail Boom, Stun'sail Boom, Bay Of Shoals, Birchmore, Brownlow Ki, Cape Borda, Cassini, Cygnet River, De Mole River, D'estrees Bay, Duncan, Emu Bay, Flinders Chase, Gosse, Haines, Harriet River, Karatta, Kingscote, Macgillivray, Menzies, Middle River, Nepean Bay, Newland, North Cape, Seal Bay, Seddon, Stokes Bay, Vivonne Bay, Western River and Wisanger and surrounding areas, is home to around 2,041 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 Kohinoor and the 5223 area, 139 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 Kohinoor's climate delivering an average of 4.6 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 5223
119th
State Wide
1243rd
Australia Wide
Hot Water Installation Kohinoor
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 Kohinoor
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterKohinoor
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 Kohinoor
Compare heat pump hot water systems suitable for Kohinoor'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 - Kohinoor, 5223
Hot Water Demographics - Kohinoor
Based on the Australian Bureau of Statistics 2021 Census (ABS), Kohinoor has around 2,041 private dwellings, home to approximately 3,193 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Kohinoor households use approximately 110 litres of hot water daily, equating to a massive 0.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Kohinoor's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Kohinoor community is home to 256 couple families with children and 50 one-parent families, meaning a large proportion of households face substantial hot water demand. With 413 homes owned with a mortgage and 584 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.
Kohinoor is converting hot water demand to efficient systems faster than many peers, with 6.8% of dwellings already upgraded.
Hot water systems in Kohinoor
Across Kohinoor and the wider 5223 area, more locals are swapping old gas and ageing electric units for modern, energy efficient hot water systems. With high power prices and many households on fixed incomes, upgrading to a smart hot water system is becoming the next logical step after rooftop solar. For a coastal community with a median household income of around $1,209 a week and an average household size of 2.2 people, reliable, affordable hot water really matters.
Kohinoor is well suited to efficient hot water technology. The nearby Kingscote Aero station records mean daily solar exposure of about 16.5 MJ/m², which is roughly 4.6 kWh/m² per day over the year. That level of sunshine helps a solar hot water system or heat pump hot water system perform strongly, even through cooler months. With more than 1,400 occupied private dwellings, many owned outright or with a mortgage, there is plenty of opportunity to replace old gas hot water with a modern heat pump hot water installation, solar hot water installation or efficient electric hot water installation that cuts running costs for years.
In Kohinoor, most homes are separate houses, and many have two or three bedrooms, so hot water demand is steady rather than extreme. That makes it easier to choose the most efficient hot water system size for your family or business. A well designed solar hot water heating system or quality heat pump hot water can cover most of your hot water energy use, leaving your solar PV to handle other loads. Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are common choices for people chasing the best heat pump hot water system or the best hot water system Australia can offer for coastal conditions. For solar hot water repair, solar hot water tank replacement or general hot water repair, installers in the area also work with reliable options like Chromagen solar hot water and efficient modern electric hot water system units.
Typical annual bill savings in Kohinoor when you upgrade your hot water system can look like:
• Old electric to heat pump: $350–$700 per year • Gas to heat pump: $250–$600 per year • Gas to solar hot water: $200–$550 per year • Old electric to modern electric with solar: $200–$450 per year
These ranges vary with household size, tariffs and how much solar you have, but they show why so many locals are now comparing heat pump vs solar hot water and solar hot water vs electric hot water when their old unit fails. A good energy efficient hot water system can become one of the most important upgrades in an all electric home.
Recent data shows 139 efficient hot water systems have already been installed in the 5223 postcode, including heat pump and solar hot water systems. Installations peaked in the mid‑2000s, with strong years in 2004, 2005 and 2009, and there has been renewed interest again from 2019 onwards, including new installs in 2022 and 2024. This steady pattern reflects growing local interest in electrification, lower running costs and cutting reliance on bottled or mains gas for hot water SA wide.
Hot Water Rebates, Tariffs & Savings
Around Kohinoor, more homeowners are asking whether a heat pump hot water system, solar hot water system or upgraded electric hot water system is the smartest way to move away from gas hot water. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the solar hot water price / cost and heat pump hot water price / cost at the point of sale. On top of that, state‑based hot water rebate SA programs may offer a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate when you replace an inefficient unit with an approved energy efficient hot water system.
For many Kohinoor homes, these discounts can effectively reduce the hot water system price / cost by a substantial percentage, cutting payback periods to just a few years, especially if you already have solar. Typical savings from an efficient hot water upgrade can easily reach hundreds of dollars per year off power bills, particularly when you use timers or solar diversion to heat water during sunny periods. When you look at heat pump hot water price / cost or solar hot water price / cost alongside long‑term savings, the most efficient hot water system often ends up cheaper than simply replacing like‑for‑like.
If your current unit is ageing, noisy or running on gas, now is a good time to see whether your Kohinoor home is ready for a hot water upgrade. Whether you are weighing up electric hot water vs gas hot water, comparing heat pump vs solar hot water, or simply want the best hot water system Australia can offer for your budget, it pays to speak with experienced local hot water installers like us. With Kohinoor’s strong solar resource and growing interest in sustainability, a well chosen heat pump, solar or modern electric hot water system can trim your bills, cut emissions and future‑proof your home. Connect with our trusted local experts for personalised advice on hot water SA solutions, from hot water installation and hot water repair through to solar hot water repair and solar hot water tank replacement tailored to your property.