Hot Water Systems in Mulla
The 2825 postcode, covering Mulla, Warrigal, Babinda, Bogan, Buddabadah, Canonba, Honeybugle, Miandetta, Mullengudgery, Murrawombie, Nyngan and Pangee and surrounding areas, is home to around 1,080 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 Mulla and the 2825 area, 63 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 Mulla's climate delivering an average of 5.3 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 2825
423rd
State Wide
1647th
Australia Wide
Hot Water Installation Mulla
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 Mulla
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMulla
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 Mulla
Compare heat pump hot water systems suitable for Mulla'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 - Mulla, 2825
Hot Water Demographics - Mulla
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mulla has around 1,080 private dwellings, home to approximately 2,032 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Mulla households use approximately 120 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Mulla's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mulla community is home to 163 couple families with children and 43 one-parent families, meaning a large proportion of households face substantial hot water demand. With 202 homes owned with a mortgage and 331 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.
Mulla is converting hot water demand to efficient systems faster than many peers, with 5.8% of dwellings already upgraded.
Hot water systems in Mulla
Across Mulla, more locals are rethinking their old hot water system and moving to energy 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 about 2.4 people and more than 800 occupied dwellings, there is steady demand for reliable, affordable hot water that can handle family showers, troughs and everyday use without blowing the power bill.
Mulla’s strong sunshine makes it a great spot for an energy efficient hot water system. The nearby Nevertire weather station records around 19.1 MJ/m² of solar exposure a day on average – roughly 5.3 kWh/m² per day – which is ideal for a solar hot water heating system or a high quality heat pump hot water installation that uses the warm air to heat your tank. With many homes owned outright or with a mortgage, and a median household income of about $1,451 a week, upgrading from older gas or electric hot water to efficient technology is a logical next step to lock in long term savings. Annual hot water energy savings for a typical Mulla home can easily run into the hundreds of dollars when you shift from an old resistive electric unit to a heat pump or solar hot water vs electric hot water alone.
In 2825, most dwellings are separate houses with three or more bedrooms, so hot water demand is often higher, especially for families. Hot water can account for up to a quarter of household energy use, so choosing the most efficient hot water system really matters. A modern heat pump hot water system or well sized solar hot water installation can dramatically cut running costs compared with electric hot water vs gas hot water from older units. Brands like Rheem heat pump hot water and Sanden heat pump units are popular for efficiency, while Rheem solar hot water and Chromagen solar hot water are common choices for a robust solar hot water tank replacement. Many households also pair an electric hot water installation with rooftop solar to create an all electric, low running cost setup.
Typical annual bill savings for Mulla homes can look like this:
• Old electric to heat pump hot water system: save roughly $350–$700 per year • Gas storage to heat pump: save around $250–$500 per year • Gas to solar hot water system: save about $200–$450 per year • Old electric to modern electric hot water system run on solar: save roughly $250–$600 per year
Over the years, Mulla has already seen 63 efficient hot water systems installed, combining both heat pump and solar hot water systems. Installations jumped in 2010 and 2011 with 13 systems each year, and there has been a steady trickle of new hot water installation jobs since, including recent systems in 2021, 2023 and 2025. This pattern shows growing local interest in electrification, lower running costs and choosing the best hot water system Australia can offer for regional conditions.
Hot Water Rebates, Tariffs & Savings
More Mulla homeowners are now looking to replace old gas or electric units with a heat pump hot water system, modern electric hot water or a solar hot water heating system. Federal incentives such as Small-scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water installation projects and effectively work as an upfront discount off the solar hot water price / cost or heat pump hot water price / cost. On top of that, NSW schemes and retailer offers can act like a solar hot water rebate, heat pump hot water rebate or electric hot water system rebate for qualifying upgrades.
For hot water NSW customers, these hot water rebate NSW programs can reduce the installed hot water system price / cost by a substantial percentage, often cutting payback times to just a few years, especially if you also have rooftop solar. Many locals use timers or smart controls so their electric hot water system or heat pump runs mainly on solar power, squeezing even more value out of their panels and creating the most efficient hot water system for their situation.
Whether you are weighing up heat pump vs solar hot water, comparing solar hot water vs electric hot water, or just need hot water repair or solar hot water repair on an existing tank, it pays to get tailored advice. If your current unit is more than 10 years old, noisy, leaking or struggling to keep up, it may be time to explore the best heat pump hot water system or a quality solar hot water system from brands like Rinnai solar hot water, Rheem solar hot water or Chromagen solar hot water.
If you live in Mulla and want to cut bills, reduce emissions and future proof your home, now is a smart time to check if your place is ready for a hot water upgrade. Talk with our experienced local hot water installers about heat pump hot water installation, solar hot water tank replacement, electric hot water installation or simple hot water repair. With Mulla’s strong solar resource and growing focus on energy efficiency, our specialists can help you choose an energy efficient hot water system that suits your budget, taps into rebates and keeps your household comfortable for years to come.