Hot Water Systems in Ob Flat

The 5291 postcode, covering Ob Flat, Mil Lel, Allendale East, Blackfellows Caves, Burrungule, Canunda, Cape Douglas, Caroline, Carpenter Rocks, Caveton, Compton, Dismal Swamp, Donovans, Eight Mile Creek, German Creek, Glenburnie, Glencoe, Glencoe West, Kongorong, Mil-lel, Mingbool, Moorak, Mount Gambier, Mount Gambier East, Mount Gambier West, Mount Schank, Nene Valley, O B Flat, Pelican Point, Port Macdonnell, Racecourse Bay, Square Mile, Suttontown, Wandilo, Worrolong, Wye and Yahl and surrounding areas, is home to around 3,992 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 Ob Flat and the 5291 area, 201 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 Ob Flat'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 5291

79^th

State Wide

1024^th

Australia Wide

Hot Water Installation Ob Flat

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 Ob Flat

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterOb Flat

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.

Want Solar Finance Options?

Compare lenders and get tailored loan offers.

Heat Pump Hot Water Systems for Ob Flat

Compare heat pump hot water systems suitable for Ob Flat'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 - Ob Flat, 5291

Hot Water Demographics - Ob Flat

Based on the Australian Bureau of Statistics 2021 Census (ABS), Ob Flat has around 3,992 private dwellings, home to approximately 8,599 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Ob Flat households use approximately 135 litres of hot water daily, equating to a massive 0.5 million litres of hot water used across the suburb every single day.

Other census insights reinforce Ob Flat's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Ob Flat community is home to 824 couple families with children and 113 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,478 homes owned with a mortgage and 1,303 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.

Ob Flat is converting hot water demand to efficient systems faster than many peers, with 5.0% of dwellings already upgraded.

Hot water systems in Ob Flat

Across Ob Flat and the wider 5291 area, more households are rethinking their hot water system and shifting from old gas or electric units to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With an average household size of around 2.7 people and more than 3,200 occupied dwellings, reliable, affordable hot water is a big part of everyday life – and a big slice of the power bill.

Local families and retirees in Ob Flat are feeling rising energy costs, even with a solid median household income. That makes upgrading to an energy efficient hot water system a logical next step. Swapping an older gas or electric hot water system for a modern heat pump or solar hot water heating system can slash the energy used for hot water, which is often 20–30% of a home’s total usage. The local climate helps too: Caroline Forest Reserve records mean daily solar exposure of about 15.2 MJ/m², or roughly 4.2 kWh/m² per day, giving plenty of sunshine to support both heat pump hot water and solar hot water performance.

In a postcode dominated by separate houses – many with three or four bedrooms – hot water demand is steady, especially for families with kids and multi‑generation households. That is where choosing the best hot water system Australia can offer for your situation really matters. Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are popular options locally, along with Chromagen solar hot water for roof‑mounted systems. Many homes are also weighing up electric hot water vs gas hot water, or comparing heat pump vs solar hot water to find the most efficient hot water system for their roof space, budget and lifestyle.

Average bill savings in Ob Flat for a well‑designed upgrade are substantial:

Old electric to heat pump hot water installation: save roughly $350–$700 per year
Gas to heat pump hot water system: save about $250–$600 per year
Gas to roof‑mounted solar hot water installation: save around $300–$650 per year
Old electric to modern electric hot water installation powered by rooftop solar: save roughly $250–$550 per year

Since 2001, there have been 201 efficient hot water installations (heat pump and solar hot water) recorded in the 5291 postcode. Install numbers climbed strongly through the mid‑2000s, peaking around 2006 and 2008, and while yearly totals have eased back, there are still new systems going in every year up to 2025. This steady flow of hot water installation work shows growing local interest in electrification, lower running costs and replacing ageing systems before they fail. Many of these upgrades include solar hot water tank replacement, solar hot water repair, or swapping to a high‑performance heat pump as the best heat pump hot water system for homes without ideal roof orientation.

For Ob Flat households, rebates make the hot water system price much easier to manage. Federal Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively cutting the upfront solar hot water price or heat pump hot water price by a sizeable margin. On top of that, South Australian programmes often provide a heat pump hot water rebate or solar hot water rebate, and in some cases an electric hot water system rebate when you move away from gas. These hot water rebate sa incentives can reduce system cost by thousands of dollars, shorten payback times to just a few years, and help you lock in hundreds of dollars a year in savings. Add smart timers or solar‑diversion controls and you can push even more of your hot water energy use into your rooftop solar, making solar hot water vs electric hot water on grid tariffs an easy decision.

If your hot water system is more than 10 years old, running on gas, or you are facing frequent hot water repair bills, now is a good time to see whether a heat pump hot water system, solar hot water system or efficient electric hot water system is right for your Ob Flat home. Working with experienced local installers like us – specialists in heat pump hot water installation, solar hot water installation, electric hot water installation and solar hot water repair – means you get tailored advice on the most efficient hot water system for your roof, family size and budget. With strong solar, a community already investing in efficient hot water, and generous hot water rebate sa options, upgrading your hot water can cut bills, reduce emissions and future‑proof your place. Reach out to our trusted local team for personalised guidance on the best hot water upgrade for your home or business in Ob Flat.