Hot Water Systems in Southport Lagoon

The 7109 postcode, covering Southport Lagoon, Catamaran, Crabtree, Cradoc, Glaziers Bay, Glen Huon, Glendevie, Grove, Hastings, Huonville, Ida Bay, Judbury, Lonnavale, Lower Longley, Lower Wattle Grove, Lucaston, Lune River, Lymington, Mountain River, Petcheys Bay, Raminea, Ranelagh, Recherche, Southport, Strathblane, Waterloo, Wattle Grove and Woodstock and surrounding areas, is home to around 4,153 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 Southport Lagoon and the 7109 area, 219 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 Southport Lagoon's climate delivering an average of 3.6 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 7109

7^th

State Wide

977^th

Australia Wide

Hot Water Installation Southport Lagoon

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 Southport Lagoon

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

Solar Powered Hot WaterSouthport Lagoon

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 Southport Lagoon

Compare heat pump hot water systems suitable for Southport Lagoon'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 - Southport Lagoon, 7109

Hot Water Demographics - Southport Lagoon

Based on the Australian Bureau of Statistics 2021 Census (ABS), Southport Lagoon has around 4,153 private dwellings, home to approximately 9,042 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Southport Lagoon households use approximately 125 litres of hot water daily, equating to a massive 0.5 million litres of hot water used across the suburb every single day.

Other census insights reinforce Southport Lagoon's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Southport Lagoon community is home to 760 couple families with children and 190 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,495 homes owned with a mortgage and 1,474 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.

Southport Lagoon is converting hot water demand to efficient systems faster than many peers, with 5.3% of dwellings already upgraded.

Hot water systems in Southport Lagoon

In Southport Lagoon, more locals are rethinking their old hot water system and moving to energy‑efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With an average household size of around 2.5 people and more than 3,600 occupied dwellings across the 7109 postcode, reliable hot water is essential for families, retirees and holiday homes alike. Power prices keep creeping up, so upgrading from older gas or electric units to an energy efficient hot water system is a logical next step, especially when you factor in the annual hot water energy savings now possible in Southport Lagoon.

Despite the cooler Tasmanian climate, Southport Lagoon enjoys solid sunshine, with mean daily solar exposure of about 12.9 MJ/m², or roughly 3.6 kWh/m² per day across the year. That supports both heat pump hot water and solar hot water heating system performance, particularly for homes already running rooftop solar. With many households owned outright or with a mortgage and a median household income around $1,397 per week, there is strong potential to invest in upgrades that cut running costs and improve comfort. Local energy data and the steady uptake of efficient hot water systems show that heat pump hot water installation and solar hot water installation are becoming popular choices for long‑term savings.

Across the 7109 area, hot water demand is shaped by a mix of family homes and a sizeable older population, so consistent, low‑maintenance hot water is a priority. Hot water can easily account for a quarter of household energy use, so choosing the most efficient hot water system has a big impact on bills. Well‑known brands such as Rheem heat pump hot water, Rheem solar hot water, Rinnai solar hot water and Sanden heat pump units are now common options for households looking for the best heat pump hot water system or simply the best hot water system Australia for their needs.

Typical average annual bill savings in Southport Lagoon look like:

• Old electric to heat pump hot water system: $450–$900 per year • Gas to heat pump: $350–$750 per year • Gas to solar hot water system: $300–$700 per year • Old electric to efficient electric hot water installation with rooftop solar: $250–$600 per year

These ranges depend on hot water system price, household size, tariffs and how much hot water you use, but they give a good sense of what is possible.

Recent installs in Southport Lagoon and the broader 7109 postcode underline this shift. There have been 219 efficient hot water installations (mainly heat pump and solar hot water) recorded to date. Installations climbed sharply around 2009–2011, peaking at 55 systems in 2010, and have continued at a steady pace with new systems going in every year up to 2025. This trend shows growing local interest in electrification, lower running costs and technologies like solar hot water vs electric hot water or heat pump vs solar hot water when replacing tired gas units. As existing solar hot water tanks age, solar hot water tank replacement and solar hot water repair are becoming more common, alongside hot water repair for older electric systems.

Hot Water Rebates, Tariffs & Savings

Across Tasmania, including Southport Lagoon, more households are replacing old gas or resistive electric hot water with efficient options such as a heat pump hot water system, a modern electric hot water system paired with rooftop solar, or a dedicated solar hot water heating system. Australian Government Small‑scale Technology Certificates (STCs) help bring down the upfront solar hot water price / cost and heat pump hot water price / cost, while state‑based programs can add a solar hot water rebate, heat pump hot water rebate or even an electric hot water system rebate in some cases. For many homes, these hot water rebate TAS incentives can effectively cut the system cost by a substantial percentage, slashing payback times.

When you combine rebates with off‑peak tariffs, timers or solar‑diversion controls, hot water energy savings can easily reach hundreds of dollars per year. That is why more people are comparing electric hot water vs gas hot water and solar hot water vs electric hot water, and choosing an energy efficient hot water system that suits their roof space, budget and lifestyle.

If your current unit is more than 10 years old, running out of hot water or costing too much to run, now is a great time to see if your Southport Lagoon home is ready for a hot water upgrade. Whether you are considering a heat pump hot water installation, solar hot water installation, solar hot water repair or a straightforward electric hot water installation, it pays to work with experienced hot water TAS specialists. With Southport Lagoon’s growing interest in sustainability and strong solar resource, efficient hot water systems can help reduce bills, cut emissions and future‑proof your home. Connect with trusted local experts for personalised advice with us and find the right hot water system price and performance for your place.