Hot Water Systems in Markwell
The 2423 postcode, covering Markwell, Bombah Point, Boolambayte, Bulahdelah, Bungwahl, Coolongolook, Crawford River, Mayers Flat, Mungo Brush, Myall Lake, Nerong, Seal Rocks, Topi Topi, Upper Myall, Violet Hill, Wallingat, Wang Wauk, Warranulla, Willina, Wootton and Yagon and surrounding areas, is home to around 1,612 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 Markwell and the 2423 area, 244 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 Markwell's climate delivering an average of 4.5 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 2423
222nd
State Wide
909th
Australia Wide
Hot Water Installation Markwell
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 Markwell
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMarkwell
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 Markwell
Compare heat pump hot water systems suitable for Markwell'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 - Markwell, 2423
Hot Water Demographics - Markwell
Based on the Australian Bureau of Statistics 2021 Census (ABS), Markwell has around 1,612 private dwellings, home to approximately 2,941 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Markwell households use approximately 115 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 Markwell's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Markwell community is home to 152 couple families with children and 78 one-parent families, meaning a large proportion of households face substantial hot water demand. With 362 homes owned with a mortgage and 660 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.
Markwell is converting hot water demand to efficient systems faster than many peers, with 15.1% of dwellings already upgraded.
Hot water systems in Markwell
Across Markwell and the 2423 postcode, more households are swapping old gas and electric units for an energy efficient hot water system that actually matches the way they live. With an average household size of around 2.3 people and a big share of homes owned outright or with a mortgage, many locals are looking for lower running costs in retirement or as kids move out, without sacrificing comfort.
Markwell is well placed for efficient hot water upgrades. The area enjoys a strong mean daily solar exposure of about 16.3 MJ/m², or roughly 4.5–4.6 kWh/m² per day over the year. That sunlight helps both a solar hot water system and a heat pump hot water system perform well, especially when paired with rooftop solar. For many homes, shifting from older gas or an ageing electric hot water system to a modern heat pump or solar hot water heating system can cut hot water energy use by more than half, delivering solid Annual Hot Water Energy Savings.
Most dwellings in 2423 are separate houses, with more than 1,200 occupied private dwellings and a median household income of about $1,040 per week. That makes the hot water system price / cost an important decision, but also means there is real long‑term value in choosing the most efficient hot water system you can reasonably afford. Local hot water installation work now often centres on comparing heat pump vs solar hot water, or looking at solar hot water vs electric hot water paired with rooftop PV.
Around Markwell, we see a mix of brands like Rheem, Rinnai, Sanden and Thermann in efficient systems. Rheem solar hot water and Rinnai solar hot water units are popular options when roof space and aspect are good, while a Sanden heat pump or Rheem heat pump hot water system can be ideal on shaded blocks or rural properties where plumbing runs are longer. Many locals ask what the best hot water system Australia can offer is for their situation; in practice the best heat pump hot water system or solar unit for you depends on family size, roof layout, water quality and budget.
Average annual bill savings for Markwell households can look like: • Old electric to heat pump hot water installation: about $350–$700 per year • Gas to heat pump hot water system: about $250–$600 per year • Gas to solar hot water installation: about $300–$650 per year • Old electric to modern electric hot water installation with solar: about $200–$500 per year
In total, there have already been 244 efficient hot water installations (heat pump and solar hot water) recorded in the 2423 area. Installations ramped up sharply around 2007–2010, with a peak of 49 systems in 2009, and have continued at a steady pace since, with new systems going in each year through to 2025. This long‑term trend shows growing local interest in electrification, lower running costs and moving towards an energy efficient hot water system as part of a more sustainable home.
Hot Water Rebates, Tariffs & Savings
In Markwell NSW, more homeowners are now weighing up electric hot water vs gas hot water and choosing to replace old units with a heat pump hot water system, modern electric hot water system or a solar hot water system that works with their solar panels. Australian Government Small‑scale Technology Certificates (STCs) can reduce the solar hot water price / cost or heat pump hot water price / cost at the point of sale, while state programmes often add a heat pump hot water rebate or solar hot water rebate on top. There are also schemes that support an electric hot water system rebate when shifting away from gas.
For Markwell households, these hot water rebate nsw options can effectively trim the upfront solar hot water price / cost or heat pump hot water price / cost by a substantial percentage, sometimes bringing premium brands within reach. When you combine rebates with solar‑friendly tariffs, timers or solar diversion controls, typical savings from an efficient hot water upgrade can reach hundreds of dollars per year, with payback periods shortened considerably. Smart use of off‑peak power or daytime solar can also reduce the need for hot water repair over time, as systems are run more gently.
If your existing unit is older, noisy, rusty or you are planning a solar hot water tank replacement, it is a good time to consider the most efficient hot water system for your home. Whether you are comparing solar hot water vs electric hot water, or you want to future‑proof an all‑electric home, our experienced local team can help with hot water installation, hot water repair, solar hot water repair and tailored advice on hot water nsw rebates. Markwell’s strong solar resource and growing interest in sustainability make it a smart place to upgrade—connect with our trusted hot water specialists for personalised guidance on the right system and rebates for your property.