Hot Water Systems in Granville
The 2142 postcode, covering Granville, Blaxcell, Camellia, Clyde, Holroyd, Rosehill and South Granville and surrounding areas, is home to around 10,327 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 Granville and the 2142 area, 110 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 Granville'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 2142
350th
State Wide
1368th
Australia Wide
Hot Water Installation Granville
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 Granville
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterGranville
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 Granville
Compare heat pump hot water systems suitable for Granville'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 - Granville, 2142
Hot Water Demographics - Granville
Based on the Australian Bureau of Statistics 2021 Census (ABS), Granville has around 10,327 private dwellings, home to approximately 25,774 people. With an average household size of 2.8 people, and around 50 litres of hot water used per person each day in Australia, Granville households use approximately 140 litres of hot water daily, equating to a massive 1.4 million litres of hot water used across the suburb every single day.
Other census insights reinforce Granville's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Granville community is home to 2,235 couple families with children and 415 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,149 homes owned with a mortgage and 1,511 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.
Granville is converting hot water demand to efficient systems faster than many peers, with 1.1% of dwellings already upgraded.
Hot water systems in Granville
Across Granville, more households and small businesses are switching to energy efficient hot water systems to keep bills down and move away from gas. With an average household size of around 2.8 people and more than 8,900 occupied dwellings, reliable hot water is essential – but so is managing rising energy costs. Many homes here still run older gas or electric units, so upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step.
Granville’s climate is well suited to efficient hot water. The local weather station at Granville RSL Bowling Club records an average annual solar exposure of about 16.2 MJ/m² per day – roughly 4.5 kWh/m²/day – which gives a solid base for both a solar hot water heating system and high performance heat pumps. With a relatively young median age of 31 and a high share of rented apartments as well as family homes with mortgages, hot water installation choices can make a real difference to weekly budgets and long term comfort.
In 2142, demand for hot water is spread across everything from compact one bedroom units to busy four bedroom family homes. Hot water energy use can easily be a quarter of a household’s electricity. That is why more locals are comparing heat pump vs solar hot water and looking at the best hot water system Australia can offer for their situation. Brands like Rheem and Rinnai are popular for solar hot water installation and solar hot water tank replacement, while Sanden is often chosen for premium, ultra efficient heat pump hot water installation. Chromagen solar hot water also appears on roofs around Granville as people look for a dependable solar hot water heating system that works well with rooftop solar.
When you compare upgrade options, typical annual bill savings in Granville look like this:
• Old electric to heat pump hot water system: save roughly $350–$700 per year • Gas to heat pump hot water system: save around $250–$600 per year • Gas to solar hot water system: save about $200–$500 per year • Old electric to modern electric hot water installation with rooftop solar: save roughly $250–$550 per year
Local data shows 110 efficient hot water systems have already been installed in the postcode, combining both heat pump and solar hot water installation jobs. Installations picked up from the early 2000s, with standout years in 2009 and 2010 when more than a third of all systems were put in, and a steady trickle of hot water upgrades continuing through to 2025. This pattern mirrors growing interest in hot water nsw electrification, lower running costs and cutting emissions, especially as more Granville homes add solar power and look for the most efficient hot water system to match.
Hot Water Rebates, Tariffs & Savings
Across Granville, more people are replacing ageing gas or electric units with heat pumps, efficient electric hot water or solar hot water systems. Federal incentives such as Small‑scale Technology Certificates (STCs) help reduce the solar hot water price / cost and heat pump hot water price / cost at the point of sale. On top of that, state based schemes can provide a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate for eligible households, effectively cutting the hot water system price / cost by a substantial percentage.
For many Granville homes, these hot water rebate nsw programs mean an energy efficient hot water system can pay for itself in just a few years, especially when combined with rooftop solar and smart timers that run a heat pump during the middle of the day. Typical savings of hundreds of dollars a year are common when moving from electric hot water vs gas hot water to a quality rheem heat pump hot water, sanden heat pump or rinnai solar hot water setup. Even a well chosen rheem solar hot water or chromagen solar hot water system can deliver solid long term savings compared with solar hot water vs electric hot water alone, particularly when you factor in lower solar hot water price / cost after rebates and the reduced need for hot water repair.
If your current unit is old, unreliable or needing frequent hot water repair, it may be the perfect time to look at a hot water upgrade. Whether you are considering the best heat pump hot water system, a new electric hot water installation or a full solar hot water repair and tank replacement, it pays to work with experienced local hot water installers like us in Granville. With strong solar potential, growing interest in sustainability and a mix of families and unit dwellers keen to cut bills, efficient hot water systems can help reduce energy costs, lower emissions and future proof your home or business. To find the right hot water system for your Granville property, connect with our trusted local experts for personalised advice and a smooth, professional hot water installation.