Hot Water Systems in Coles Bay
The 7215 postcode, covering Coles Bay, Beaumaris, Bicheno, Chain Of Lagoons, Cornwall, Douglas River, Douglas-apsley, Falmouth, Four Mile Creek, Freycinet, Friendly Beaches, Gray, Scamander, Seymour, St Marys and Upper Scamander and surrounding areas, is home to around 2,964 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 Coles Bay and the 7215 area, 99 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 Coles Bay's climate delivering an average of 4.0 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 7215
30th
State Wide
1429th
Australia Wide
Hot Water Installation Coles Bay
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 Coles Bay
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterColes Bay
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 Coles Bay
Compare heat pump hot water systems suitable for Coles Bay'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 - Coles Bay, 7215
Hot Water Demographics - Coles Bay
Based on the Australian Bureau of Statistics 2021 Census (ABS), Coles Bay has around 2,964 private dwellings, home to approximately 3,477 people. With an average household size of 2.1 people, and around 50 litres of hot water used per person each day in Australia, Coles Bay households use approximately 105 litres of hot water daily, equating to a massive 0.3 million litres of hot water used across the suburb every single day.
Other census insights reinforce Coles Bay's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Coles Bay community is home to 208 couple families with children and 72 one-parent families, meaning a large proportion of households face substantial hot water demand. With 384 homes owned with a mortgage and 898 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.
Coles Bay is converting hot water demand to efficient systems faster than many peers, with 3.3% of dwellings already upgraded.
Hot water systems in Coles Bay
Across Coles Bay and the wider 7215 area, more locals are rethinking how they heat their water. With power prices rising and many homes shifting away from bottled or mains gas, energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system are becoming the obvious next step. For a postcode with a median household income of around $931 a week and an older population (median age 52), keeping running costs low really matters, especially for the many households who own their home outright.
Coles Bay is well placed for an efficient hot water upgrade. Nearby Swansea records an average annual solar exposure of about 14.2 MJ/m² per day, which works out to roughly 4 kWh of usable solar energy per square metre, per day over the year. That level of sunlight suits both a solar hot water heating system and a quality heat pump hot water system, which pulls warmth from the air even on cool Tasmanian mornings. With an average household size of 2.1 people and a high share of separate houses, a correctly sized hot water system can comfortably cover daily demand while cutting the energy used for hot water, which is often one of the biggest loads in the home.
Around 1,695 occupied private dwellings in the 7215 postcode means a lot of cylinders quietly ageing in cupboards, under houses and in sheds. Many are older gas or off-peak electric units that cost far more to run than today’s most efficient hot water system options. By upgrading, households in Coles Bay can tap into strong Annual Hot Water Energy Savings, especially when pairing a new system with existing rooftop solar. A well designed solar hot water system or heat pump hot water installation can slash the share of your power bill going to hot water, while a modern electric hot water installation can still work well when timed to run on solar or cheaper tariffs.
In 7215, there have been 99 efficient hot water installations recorded, combining heat pump and solar hot water installation jobs. Activity ramped up from the mid‑2000s, with notable years like 2008–2011 and 2015 seeing higher numbers of installs, and a steady trickle continuing through to 2024. This pattern shows growing local interest in electrification, lower running costs and reducing emissions, especially among families and retirees keen to future‑proof their homes. Brands such as Rheem and Rinnai are common choices for both rheem solar hot water and rinnai solar hot water systems, while premium heat pumps like Sanden and mid‑range options like iStore are popular for those chasing the best heat pump hot water system and the most efficient hot water system overall.
When you compare heat pump vs solar hot water, it often comes down to your roof space, budget, and how much sun your property gets. A solar hot water price / cost can be a little higher upfront once you factor in solar hot water tank replacement and roof plumbing, while a heat pump hot water price / cost may be lower to install and easier to fit on tight sites. A good installer will also talk through solar hot water vs electric hot water and electric hot water vs gas hot water, especially if you are planning an all‑electric home. Many Coles Bay homes with existing PV find that a modern electric hot water system running on a timer, or a dedicated solar hot water heating system, gives a great balance of comfort and savings.
Typical hot water system price / cost varies by size and brand. A rheem heat pump hot water unit or a Sanden heat pump will usually sit at the premium end, but offer excellent efficiency and quiet operation. Systems from iStore or Rinnai can offer strong value, while chromagen solar hot water and rheem solar hot water are regular picks for roof‑mounted solar hot water repair or replacement. For many households, the best hot water system Australia has to offer is the one that matches their usage, budget, and roof or yard layout.
For Coles Bay homes upgrading from older units, realistic average bill savings each year can look like this:
• Old electric to quality heat pump: around $350–$700 per year • Gas to heat pump: roughly $300–$600 per year • Gas to solar hot water: around $250–$550 per year • Old electric to modern electric with solar: about $200–$450 per year
These ranges will vary with household size, tariffs and how much hot water you use, but they show why efficient hot water is gaining ground in hot water TAS discussions.
Hot Water Rebates, Tariffs & Savings
Across Coles Bay there is growing interest in replacing tired gas or electric cylinders with efficient options like a heat pump hot water system, a modern electric hot water system or a full solar hot water system. Federal incentives like Small‑scale Technology Certificates (STCs) effectively act as a solar hot water rebate or heat pump hot water rebate, reducing the upfront solar hot water price / cost or heat pump hot water price / cost at the point of sale. On top of this, Tasmanian homeowners may be able to access state‑based hot water rebate TAS style programs that further cut the cost of heat pump hot water installation or solar hot water installation.
When you stack these incentives together, discounts can often shave a substantial percentage off the total system cost, especially for larger families. That can bring the payback period for a new energy efficient hot water system down to just a few years, particularly if you already have solar and use timers or smart controls to run your electric hot water installation during sunny or off‑peak periods. For some, an electric hot water system rebate may make a modern, well‑insulated cylinder a sensible stepping stone away from gas, with the option to add a heat pump unit later.
If your current unit is more than 10–12 years old, running out of hot water, or you are thinking about moving away from gas, now is a smart time to check whether your Coles Bay home is ready for a hot water upgrade. Talk with experienced hot water TAS installers like us who specialise in heat pump and solar hot water repair, solar hot water tank replacement and tailored hot water installation. With Coles Bay’s strong solar resource and growing interest in sustainability, an efficient hot water system can trim your bills, cut emissions and help future‑proof your home. For personalised advice on the best hot water system Australia can offer your household, connect with trusted local experts and get clear guidance on the right solution for your property.