Hot Water Systems in Billa Kalina
The 5720 postcode, covering Billa Kalina, Arcoona, Bosworth, Millers Creek, Mount Eba, Mount Vivian, Parakylia, Pimba, Purple Downs, Stuarts Creek and Woomera and surrounding areas, is home to around 234 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 Billa Kalina and the 5720 area, 32 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 Billa Kalina's climate delivering an average of 5.7 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 5720
216th
State Wide
1939th
Australia Wide
Hot Water Installation Billa Kalina
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 Billa Kalina
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterBilla Kalina
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 Billa Kalina
Compare heat pump hot water systems suitable for Billa Kalina'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 - Billa Kalina, 5720
Hot Water Demographics - Billa Kalina
Based on the Australian Bureau of Statistics 2021 Census (ABS), Billa Kalina has around 234 private dwellings, home to approximately 167 people. With an average household size of 1.7 people, and around 50 litres of hot water used per person each day in Australia, Billa Kalina households use approximately 85 litres of hot water daily, equating to a massive 0.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Billa Kalina's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Billa Kalina community is home to 12 couple families with children and — one-parent families, meaning a large proportion of households face substantial hot water demand. With — homes owned with a mortgage and 13 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.
Billa Kalina is converting hot water demand to efficient systems faster than many peers, with 13.7% of dwellings already upgraded.
Hot water systems in Billa Kalina
Out in Billa Kalina, more locals are looking at upgrading to an energy efficient hot water system instead of sticking with old gas or power‑hungry units. With small households (an average of just 1.7 people) spread across around 90 occupied dwellings, reliability and running costs matter more than ever. Many homes are rented or on other tenure types, so a modern heat pump hot water system, solar hot water system or efficient electric hot water system can be a smart way to cut bills without sacrificing comfort.
The climate here is made for efficient hot water. At nearby Millers Creek, the average annual solar exposure is about 20.4 MJ/m² per day – roughly 5.7 kWh/m²/day – which is excellent for both a solar hot water heating system and for helping heat pumps run efficiently. With median household incomes in the mid‑$1,700s per week and a good mix of working families and older residents, switching from older gas or electric to a more efficient hot water technology is a logical next step. Over a year, those hot water energy savings can really add up, especially where hot water is one of the biggest loads in an all‑electric home.
In 5720, most homes are separate houses with two or three bedrooms, so a typical family‑sized hot water system suits well. Hot water demand is steady rather than massive, which makes choosing the most efficient hot water system even more important – you want something that runs cheaply day after day, not just on peak days. Brands like Rheem heat pump hot water and Rheem solar hot water are popular for their reliability, while Rinnai solar hot water, Sanden heat pump and Chromagen solar hot water are often chosen by households chasing the best heat pump hot water system or the most efficient solar hot water vs electric hot water option for off‑grid or high‑solar setups.
Average annual bill savings in Billa Kalina for a well‑matched upgrade are typically in these ranges:
• Old electric hot water to heat pump hot water system: $400–$800 per year • Gas hot water to heat pump: $300–$700 per year • Gas hot water to solar hot water system: $300–$600 per year • Old electric to modern electric hot water system with rooftop solar: $250–$500 per year
Recent installs in Billa Kalina show this shift is already underway. There have been 32 efficient hot water installations (heat pump and solar hot water installation combined) recorded in the postcode. After just one solar or heat pump hot water installation back in 2008, things were quiet for years, but interest has surged recently, with three systems in 2023 and a big jump to 23 in 2024, plus more already in 2025. That growth lines up with rising power prices, more rooftop solar, and a clear move towards electrification and lower running costs. Local households are also starting to factor in heat pump vs solar hot water choices, solar hot water price / cost and heat pump hot water price / cost when planning upgrades, along with long‑term reliability and hot water repair access.
Hot Water Rebates, Tariffs & Savings (H2)
Across SA, there is growing interest in replacing old gas or electric hot water with efficient options like heat pumps, newer electric hot water systems or a solar hot water heating system, and Billa Kalina is no exception. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the upfront hot water system price / cost for eligible systems, including many rheem solar hot water, rheem heat pump hot water, rinnai solar hot water, sanden heat pump and chromagen solar hot water models. On top of that, state‑based programs may offer a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate in SA, which can bring the effective solar hot water price / cost or heat pump hot water price / cost down by a substantial percentage.
For many homes this can mean hundreds of dollars off the system cost and hundreds of dollars per year off bills, especially when you compare electric hot water vs gas hot water over the life of the unit. When you combine rebates with rooftop solar, smart timers or solar diversion, payback periods can be cut significantly. A well‑set‑up energy efficient hot water system can become the most efficient hot water system on your property, quietly slashing hot water energy use compared with overall household energy demand. If you do need hot water repair or solar hot water repair, working with installers who understand local conditions and tariffs in hot water SA makes it easier to stay on the best deal and keep your hot water running smoothly.
If your current unit is old, noisy, running out of hot water or costing too much, it may be time to look at a heat pump hot water installation, solar hot water installation, solar hot water tank replacement or a modern electric hot water installation. Whether you are comparing heat pump vs solar hot water, wondering about solar hot water vs electric hot water, or simply want the best hot water system Australia offers for remote SA conditions, it pays to get tailored advice. Billa Kalina has excellent solar exposure and growing interest in sustainability, so upgrading to an energy efficient hot water system can reduce bills, cut emissions and future‑proof your home. To explore hot water SA options, hot water rebate SA eligibility and the right system for your property, connect with trusted local hot water installation specialists for personalised advice with us today.