Hot Water Systems in Mondayong
The 2540 postcode, covering Mondayong, Nowra Naval Po, Wreck Bay, Bamarang, Barringella, Basin View, Beecroft Peninsula, Berrara, Bewong, Bolong, Boolijah, Bream Beach, Browns Mountain, Brundee, Buangla, Burrier, Callala Bay, Callala Beach, Cambewarra, Cambewarra Village, Comberton, Comerong Island, Cudmirrah, Culburra Beach, Currarong, Erowal Bay, Ettrema, Falls Creek, Greenwell Point, Hmas Albatross, Hmas Creswell, Huskisson, Hyams Beach, Illaroo, Jerrawangala, Jervis Bay, Kinghorne, Longreach, Mayfield, Meroo Meadow, Moollattoo, Mundamia, Myola, Nowra Hill, Numbaa, Old Erowal Bay, Orient Point, Parma, Pyree, Sanctuary Point, St Georges Basin, Sussex Inlet, Swanhaven, Tallowal, Tapitallee, Terara, Tomerong, Tullarwalla, Twelve Mile Peg, Vincentia, Wandandian, Watersleigh, Wollumboola, Woollamia, Worrigee, Worrowing Heights, Wrights Beach, Yalwal and Yerriyong and surrounding areas, is home to around 26,054 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 Mondayong and the 2540 area, 4,586 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 Mondayong's climate delivering an average of 4.4 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 2540
4th
State Wide
24th
Australia Wide
Hot Water Installation Mondayong
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 Mondayong
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMondayong
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 Mondayong
Compare heat pump hot water systems suitable for Mondayong'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 - Mondayong, 2540
Hot Water Demographics - Mondayong
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mondayong has around 26,054 private dwellings, home to approximately 43,985 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Mondayong households use approximately 115 litres of hot water daily, equating to a massive 3.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Mondayong's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mondayong community is home to 2,934 couple families with children and 967 one-parent families, meaning a large proportion of households face substantial hot water demand. With 5,226 homes owned with a mortgage and 8,495 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.
Mondayong is converting hot water demand to efficient systems faster than many peers, with 17.6% of dwellings already upgraded.
Hot water systems in Mondayong
Around Mondayong and the wider 2540 area, more households are shifting from old gas and electric units to an energy efficient hot water system. With an average household size of about 2.3 people and more than 18,000 occupied dwellings across the postcode, reliable, low‑running‑cost hot water is a big deal for families, retirees and local businesses alike. Many homes are owned outright or with a mortgage, so upgrading a tired electric hot water system is a logical next step to keep bills down and future‑proof the property.
Mondayong’s coastal climate is ideal for a solar hot water system or heat pump hot water system. The nearby Sussex Inlet weather station records around 15.8 MJ/m² of solar exposure per day on average – roughly 4.4 kWh/m² – which is excellent for both a solar hot water heating system and efficient heat pumps that use the ambient air. When you replace an older gas or electric unit, annual hot water energy savings can easily reach hundreds of dollars, especially if you are already running rooftop solar.
Local hot water demand is steady, with most homes being separate houses and a good number of three‑ and four‑bedroom properties. That means family‑sized storage tanks are common, and hot water energy use can be one of the biggest single loads in the home. Many residents are now asking about heat pump vs solar hot water, solar hot water vs electric hot water, and even electric hot water vs gas hot water as they look for the most efficient hot water system for their situation.
In the Mondayong postcode, efficient hot water installation has been steadily growing, with 4,586 heat pump and solar hot water systems installed over the years. Installations spiked around 2009–2010, then settled into a consistent pattern, with ongoing heat pump hot water installation and solar hot water installation each year right through to 2025. This trend shows strong local interest in electrification, lower running costs and cutting emissions.
Typical annual bill savings in Mondayong look like this:
• Old electric to heat pump hot water system: about $350–$700 per year • Gas to heat pump hot water: about $250–$600 per year • Gas to solar hot water system: about $250–$550 per year • Old electric to modern electric hot water installation backed by solar: about $200–$500 per year
Local homes are seeing good results with brands such as Rheem heat pump hot water, Rheem solar hot water and Rinnai solar hot water, as well as premium options like Sanden heat pump units. For some properties, Chromagen solar hot water or other quality brands can be a smart fit when a solar hot water tank replacement is needed. Choosing the best hot water system Australia can offer for your needs comes down to matching system size, efficiency and hot water system price to how your household actually uses hot water.
Hot Water Rebates, Tariffs & Savings
Across Mondayong NSW, interest is growing in swapping out old gas and electric units for an energy efficient hot water system – whether that is a heat pump, a solar hot water system or a modern electric hot water system paired with rooftop solar. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the solar hot water price or heat pump hot water price significantly, while state‑based schemes often provide a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate for eligible households. These hot water rebate NSW programs can effectively cut the upfront hot water system cost by a substantial percentage, trimming payback periods to just a few years in some cases.
When you combine rebates with smart tariffs, timers or solar‑diversion controls, a hot water system upgrade in Mondayong can deliver hundreds of dollars in savings every year. For many homes, a high‑quality heat pump is now considered the best heat pump hot water system option, especially when powered by rooftop solar, making it one of the most efficient hot water system choices on the market.
If your current unit is older, noisy or struggling to keep up, this is a good time to check whether your Mondayong home is ready for a hot water upgrade. Whether you are moving from gas to an all‑electric home, comparing heat pump vs solar hot water, or simply need hot water repair or solar hot water repair, it pays to talk to experienced local hot water installers. With strong solar resources, a clear shift towards sustainability and solid rebate support, Mondayong households can reduce bills, cut emissions and enjoy reliable hot water by working with trusted local experts for personalised advice with us.