Hot Water Systems in Coffin Bay
The 5607 postcode, covering Coffin Bay, Tulka North, Boston, Brooker, Charlton Gully, Coomunga, Coulta, Duck Ponds, Farm Beach, Fountain, Green Patch, Hawson, Horse Peninsula, Karkoo, Kellidie Bay, Kiana, Koppio, Lincoln National Park, Lipson, Little Douglas, Louth Bay, Mitchell, Moody, Mount Drummond, Mount Dutton Bay, Mount Hope, Murdinga, North Shields, Peachna, Pearlah, Point Boston, Poonindie, Port Lincoln, Sheringa, Sleaford, Sullivan, Tiatukia, Tooligie, Tootenilla, Tulka, Uley, Ungarra, Venus Bay, Wangary, Wanilla, Warrachie, Warrow, Warunda, Whites Flat, Whites River and Yallunda Flat and surrounding areas, is home to around 2,732 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 Coffin Bay and the 5607 area, 152 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 Coffin Bay's climate delivering an average of 4.8 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 5607
107th
State Wide
1174th
Australia Wide
Hot Water Installation Coffin Bay
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 Coffin Bay
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterCoffin Bay
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 Coffin Bay
Compare heat pump hot water systems suitable for Coffin Bay'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 - Coffin Bay, 5607
Hot Water Demographics - Coffin Bay
Based on the Australian Bureau of Statistics 2021 Census (ABS), Coffin Bay has around 2,732 private dwellings, home to approximately 4,640 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Coffin Bay households use approximately 125 litres of hot water daily, equating to a massive 0.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Coffin Bay's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Coffin Bay community is home to 461 couple families with children and 62 one-parent families, meaning a large proportion of households face substantial hot water demand. With 719 homes owned with a mortgage and 796 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.
Coffin Bay is converting hot water demand to efficient systems faster than many peers, with 5.6% of dwellings already upgraded.
Hot water systems in Coffin Bay
In Coffin Bay, more locals are quietly upgrading to energy efficient hot water systems that suit our coastal lifestyle and rising power prices. With most of the 1,854 dwellings being separate houses and an average household size of around 2.5 people, a reliable hot water system is essential for everyday comfort as well as busy holiday periods. Many homes are still running older gas or electric units, so shifting to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step. The good news is that the numbers stack up: households in Coffin Bay can enjoy strong annual hot water energy savings by upgrading from old, power hungry units.
Coffin Bay’s sunshine is a big part of the story. The local weather station records an impressive 17.2 MJ/m² of mean daily solar exposure across the year – roughly 4.8 kWh per square metre per day – which is excellent for both a solar hot water heating system and high performance heat pump hot water. That solar resource, combined with a median household income of around $1,504 per week and a large number of homes owned outright or with a mortgage, makes efficient hot water installation a smart investment rather than just an added extra. Many households are looking to cut running costs in retirement or free up cash for the things they enjoy, so energy efficient hot water system choices are front of mind.
Across the 5607 postcode, demand for practical, long lasting systems is growing. Families and retirees alike want dependable hot water without bill shock, and hot water energy use can be a big slice of overall household energy. Brands like Rheem and Rinnai are popular for solar hot water installation and electric hot water installation, while premium heat pump options such as Sanden and efficient solar ranges like Chromagen solar hot water give Coffin Bay homeowners more choice when chasing the best hot water system Australia can offer for their needs and budget.
Typical savings for a well matched upgrade are significant: • Old electric to heat pump hot water system: save roughly $350–$700 per year • Gas to heat pump hot water: save around $250–$600 per year • Gas to solar hot water system: save about $250–$550 per year • Old electric to modern electric hot water system with rooftop solar: save roughly $200–$500 per year
Local data shows the trend is already under way. There have been 152 efficient hot water installations in Coffin Bay and surrounds, combining heat pump hot water installation and solar hot water installation. Installations climbed through the mid‑2000s, peaking around 2009–2010 with more than 30 installs across those two years, then ticking along steadily with new systems added most years up to 2025. This pattern reflects a growing interest in electrification, lower running costs and moving from electric hot water vs gas hot water towards options that make better use of our sun and off‑peak tariffs. As older units reach the end of their life, more households are considering heat pump vs solar hot water and even solar hot water vs electric hot water to see what will deliver the most efficient hot water system over the long term.
Hot Water Rebates, Tariffs & Savings
Around Coffin Bay, there is strong interest in replacing tired gas or resistive electric units with efficient choices such as a rheem heat pump hot water system, rinnai solar hot water, sanden heat pump or other energy efficient hot water options. Australian Government incentives like Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems SA wide, effectively acting as an upfront discount off the solar hot water price / cost or heat pump hot water price / cost. South Australian hot water rebate programs and heat pump hot water rebate offers can further reduce the hot water system price / cost, and there are also electric hot water system rebate options when shifting away from gas. For many Coffin Bay homes, these solar hot water rebate and hot water rebate SA incentives can knock a substantial percentage off the installed cost and shorten payback to just a few years, especially when paired with existing rooftop solar and smart timers or solar diversion. Hundreds of dollars per year off bills is realistic when upgrading to the best heat pump hot water system or a well designed rheem solar hot water or chromagen solar hot water package, and timely hot water repair or solar hot water repair can keep those savings on track. When a solar hot water tank replacement is needed, it is often the ideal moment to reassess options and choose the most energy efficient hot water system for the next decade.
If your Coffin Bay home still runs on an older gas or electric unit, now is a good time to check whether a hot water upgrade makes sense. Comparing solar hot water vs electric hot water and electric hot water vs gas hot water with experienced local hot water SA installers can reveal simple ways to cut bills, reduce emissions and future proof your place. Whether you are interested in a full solar hot water heating system, a modern electric hot water installation, or a quiet, efficient heat pump hot water system, working with trusted specialists in hot water installation and hot water repair will ensure you get the right size, tariff and controls for your household. With Coffin Bay’s strong solar exposure and growing focus on sustainability, efficient hot water systems can play a big role in keeping your home comfortable and affordable. For personalised advice and clear pricing on heat pump hot water cost, solar hot water price cost or the best hot water system Australia can offer for your situation, connect with our local experts and explore your options today.