Hot Water in Killcare Heights, NSW

Hot Water Systems in Killcare Heights

The 2257 postcode, covering Killcare Heights, Booker Bay, Box Head, Daleys Point, Empire Bay, Ettalong Beach, Hardys Bay, Killcare, Pretty Beach, St Huberts Island, Umina Beach and Wagstaffe and surrounding areas, is home to around 14,316 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 Killcare Heights and the 2257 area, 1,199 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 Killcare Heights'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.

Icon

Hot Water Ranking

Postcode 2257

49th

State Wide

233rd

Australia Wide

Hot Water Installation Killcare Heights

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 Killcare Heights

* Data from the Bureau of Meteorology. Closest station: N/A.

Solar Powered Hot WaterKillcare Heights

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.

Financial Ad Icon

Want Solar Finance Options?

Compare lenders and get tailored loan offers.

Heat Pump Hot Water Systems for Killcare Heights

Compare heat pump hot water systems suitable for Killcare Heights'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 - Killcare Heights, 2257

Icon

Hot Water Demographics - Killcare Heights

Based on the Australian Bureau of Statistics 2021 Census (ABS), Killcare Heights has around 14,316 private dwellings, home to approximately 28,609 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Killcare Heights households use approximately 115 litres of hot water daily, equating to a massive 1.6 million litres of hot water used across the suburb every single day.

Other census insights reinforce Killcare Heights's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Killcare Heights community is home to 2,033 couple families with children and 772 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,422 homes owned with a mortgage and 4,828 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.

Killcare Heights is converting hot water demand to efficient systems faster than many peers, with 8.4% of dwellings already upgraded.

Icon

Hot water systems in Killcare Heights

Across Killcare Heights and the wider 2257 area, more households are shifting to energy efficient hot water systems to keep bills down and comfort up. With an average household size of 2.3 people and a big share of homes owned outright or with a mortgage, many locals are looking at the next smart upgrade after rooftop solar: a modern hot water system that works with today’s power prices, not yesterday’s. The area enjoys strong sunshine, with mean daily solar exposure of about 16.3 MJ/m², or roughly 4.5 kWh/m² per day, which makes both a solar hot water system and a heat pump hot water system very attractive options for year‑round performance.

In a postcode with more than 12,000 occupied dwellings and a median household income of around $1,390 a week, every dollar saved on energy counts. Older gas and electric units can quietly chew through a big slice of your power bill. Upgrading to an energy efficient hot water system – whether that’s a solar hot water heating system, a modern electric hot water system paired with solar, or the best heat pump hot water system you can fit – can deliver substantial annual hot water energy savings for Killcare Heights homeowners.

Around 2257, most homes are separate houses with three or four bedrooms, so hot water demand is steady, especially for families and retirees who are home more during the day. That’s ideal for using daytime solar to run a heat pump hot water system or an efficient electric hot water system. Brands like Rheem and Rinnai are popular for both solar and efficient electric options, while Sanden and Stiebel Eltron style systems are often chosen by people chasing the most efficient hot water system and very low running costs.

Typical annual bill savings for local upgrades can look like this:

• Old electric to heat pump hot water installation: save roughly $400–$800 per year. • Gas to heat pump hot water system: save around $300–$600 per year. • Gas to solar hot water installation: save about $250–$550 per year. • Old electric to modern electric hot water installation with solar: save roughly $250–$500 per year.

Since 2001, there have been 1,199 efficient hot water installations (heat pump and solar) recorded in the 2257 postcode. Installations jumped sharply in 2009 and 2010, when incentives were strongest, and while numbers have steadied since, there is a clear long‑term trend towards electrification and lower running costs. Recent years still show steady interest, with systems installed each year from 2018 through to 2025 as more Killcare Heights households look to future‑proof their hot water.

Hot Water Rebates, Tariffs & Savings

There is growing interest in Killcare Heights in replacing old gas or electric hot water with efficient options such as heat pump hot water, a solar hot water system or a high‑efficiency electric hot water system. Federal incentives like Small‑scale Technology Certificates (STCs) help cut the solar hot water price / cost and heat pump hot water price / cost, while NSW hot water rebate programs and occasional electric hot water system rebate offers can further reduce the upfront hot water system price / cost for local homeowners. Combined, these can effectively slice a substantial percentage off the cost of a heat pump hot water installation, solar hot water installation or electric hot water installation.

For many homes in Killcare Heights NSW, a well‑chosen energy efficient hot water system can trim hundreds of dollars a year from bills, especially when paired with rooftop solar and smart timers or solar‑diversion controls. That shortens the payback period on upgrades like Rheem solar hot water, Rinnai solar hot water, Rheem heat pump hot water, Sanden heat pump units or Chromagen solar hot water, and makes the heat pump vs solar hot water decision a genuine financial comparison rather than just a green choice. When you factor in the solar hot water rebate, heat pump hot water rebate and hot water rebate nsw schemes, many systems pay for themselves far faster than older generations of gear.

If your current unit is ageing, noisy or struggling, it may be time to look at solar hot water vs electric hot water, electric hot water vs gas hot water, or even a full solar hot water tank replacement. The best hot water system Australia‑wide for you will depend on your roof, tariff, household size and whether you already have solar.

If you live in Killcare Heights and want to tap into the area’s strong solar resource and growing focus on sustainability, now is a smart time to review your hot water. Whether you are moving away from gas or upgrading an old electric unit, efficient hot water nsw solutions can help cut emissions and bills while improving comfort. Talk with experienced local hot water installers – heat pump and solar hot water specialists who understand hot water repair, solar hot water repair, hot water system price / cost and local tariffs – to get personalised advice and a tailored quote. With the right guidance on hot water systems Killcare Heights homes can enjoy reliable, efficient hot water for years to come.

Nearby Suburbs

See Also