Hot Water Systems in Mount Saint Thomas
The 2500 postcode, covering Mount Saint Thomas, Wollongong Dc, Wollongong North, Coniston, Gwynneville, Keiraville, Mangerton, Mount Keira, North Wollongong, Spring Hill, West Wollongong, Wollongong and Wollongong West and surrounding areas, is home to around 19,777 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 Mount Saint Thomas and the 2500 area, 666 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 Mount Saint Thomas'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 2500
101st
State Wide
454th
Australia Wide
Hot Water Installation Mount Saint Thomas
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 Mount Saint Thomas
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMount Saint Thomas
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 Mount Saint Thomas
Compare heat pump hot water systems suitable for Mount Saint Thomas'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 - Mount Saint Thomas, 2500
Hot Water Demographics - Mount Saint Thomas
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mount Saint Thomas has around 19,777 private dwellings, home to approximately 39,492 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Mount Saint Thomas households use approximately 110 litres of hot water daily, equating to a massive 2.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Mount Saint Thomas's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mount Saint Thomas community is home to 2,399 couple families with children and 631 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,955 homes owned with a mortgage and 4,846 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.
Mount Saint Thomas is converting hot water demand to efficient systems faster than many peers, with 3.4% of dwellings already upgraded.
Hot water systems in Mount Saint Thomas
Across Mount Saint Thomas, more homeowners and small businesses are rethinking their old gas and electric hot water system and switching to efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. With energy bills biting and many locals working to pay off a mortgage on a median household income of around $1,621 a week, it makes sense to cut running costs wherever you can.
The postcode 2500 area has a mix of separate houses and plenty of units and townhouses, with an average household size of 2.2 people. That means steady hot water demand from young families, students and downsizers alike. Swapping an ageing gas storage unit for an energy efficient hot water system can trim a big chunk off your electricity or gas bill. Many homes in Mount Saint Thomas already have rooftop solar, so upgrading to a solar hot water heating system or pairing a heat pump hot water system with solar power is the logical next step.
Mount Saint Thomas enjoys strong sunshine year-round, with Wollongong’s average daily solar exposure sitting at about 16 MJ/m², or roughly 4.4 kWh/m² per day. That level of sun is ideal for both solar hot water installation and high‑performance heat pump hot water installation, helping your system work efficiently even on cooler coastal days. Over a year, households can achieve substantial hot water energy savings by moving away from older gas or resistive electric units.
In the 2500 area there are 17,838 occupied private dwellings, and hot water is one of the biggest single energy users in each home. Efficient hot water systems installed here already number 666 heat pump and solar hot water installations, with a clear boom around 2008–2011 as people chased rebates and rising power prices. Those installations show how quickly locals embrace electrification and lower running costs once the numbers stack up. Brands like Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and Sanden heat pump units are common choices when people look for the best heat pump hot water system or the best hot water system Australia for long‑term reliability.
Average annual bill savings will vary with your roof, tariffs and usage, but typical ranges for Mount Saint Thomas look like:
• Old electric to heat pump hot water system: save roughly $350–$700 per year. • Gas storage to heat pump: 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 installation powered by solar: save roughly $200–$500 per year.
Looking at the hot water installation trend, there were only a handful of efficient systems put in each year in the early 2000s, then a sharp rise to 161 installs in 2009 and 116 in 2010 as incentives peaked. While yearly numbers have eased back since, recent installations show steady interest as more households compare heat pump vs solar hot water, or solar hot water vs electric hot water, and decide to future‑proof with an all‑electric home. As older tanks reach the end of their life, many locals choose solar hot water tank replacement or a new electric hot water installation that works with rooftop PV.
Hot Water Rebates, Tariffs & Savings NSW
Around Mount Saint Thomas, hot water repair calls are often the trigger to consider a full upgrade rather than just patching an old system. The combination of federal and state incentives can make the hot water system price or heat pump hot water price far more affordable than many people expect. Under the Small‑scale Technology Certificate (STC) scheme, eligible solar hot water systems and heat pump units effectively receive an upfront discount off the solar hot water price or heat pump hot water cost. On top of that, NSW hot water rebate programs for efficient electric hot water system rebate options or a heat pump hot water rebate can cut the out‑of‑pocket even further.
For many Mount Saint Thomas households, these discounts can reduce system cost by a substantial percentage, turning a payback period of, say, eight to ten years into more like three to six years, especially if you already have solar. Using timers or diverters so your electric hot water system heats mainly during solar hours helps create the most efficient hot water system possible for your home. When you add in lower maintenance and the ability to move away from volatile gas prices, an energy efficient hot water system quickly becomes an easy financial decision.
If you are weighing up electric hot water vs gas hot water, or comparing heat pump vs solar hot water for your Mount Saint Thomas property, it is worth getting tailored advice. Talk to experienced local hot water installers who specialise in heat pump hot water installation, solar hot water installation and solar hot water repair. With strong sun, solid household incomes and a community that cares about sustainability, hot water NSW upgrades are a smart way to reduce bills, cut emissions and boost comfort. To understand your options, hot water rebate NSW eligibility and the right brands for your home – from Rheem and Rinnai solar hot water through to Sanden heat pump solutions – connect with trusted local experts for personalised advice with us.
Nearby Suburbs
See Also
- Learn more about solar power in Mount Saint Thomas
- Learn more about solar batteries in Mount Saint Thomas
- Learn more about using split systems for heating in Mount Saint Thomas
- Learn more about air-conditioning in Mount Saint Thomas
- Hot water in Mount Keira, NSW
- Using efficient hot water systems in North Wollongong, NSW
