Hot Water Heat Pumps For Canberra Homes

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iStore heat pumps

Top ratings from Product Review

iStore heat pumps have achieved top scores from Product Review for four years running. Currently, they score 4.8 out of 5 stars.

iStore heat pumps extract thermal energy from the air and use it to heat water. Thus, unlike traditional electric hot water systems which use electricity to directly heat water – a very energy-intensive process – iStore and other heat pumps are highly cost-effective. iStore heat pumps :

  • Draw on premium Australian engineering skills to capture energy in the air to generate environmentally friendly hot water throughout the wet areas of your home
  • Are designed for Australian conditions
  • Consume 75% – 85% less energy than conventional hot water systems.
  • External wrap around heating coil provides maximum thermal energy transfer.
  • Operate down to minus 5°C, making them ideal for cold climates
  • Use an active defrost function maintains operation in cold climates automatically
  • Feature a single piece design for ease of installation
  • Are ideal to operate with rooftop solar PV systems

The efficiency of iStore heat pumps means that your hot water heating bill will be very low, especially if you have a rooftop solar system.  Over a number of years, your iStore heat pump will pay for itself. You can slash your hot water electricity bill by around 60% compared to a traditional electric hot water system.

This cost-saving is achieved by the advanced heat pump technology used in iStore heat pumps. All of the energy used to heat water comes from the surrounding air. It just takes a small amount of electricity to run the fan and the heat pump mechanism.

Electricity-based renewable hot water systems are the way of the future, and they are rapidly slashing the cost of household water heating.  Find out more here.

Premium efficiency and performance

Offering premium efficiency and performance, the iStore 180 litre Air to Energy heat pump is the perfect choice for smaller homes that want the best in hot water all year round, while the iStore 270 litre heat pump neatly matches the needs of households of 3-5 people.

  • iStore’s premium Australian engineering captures energy in the air to generate environmentally friendly hot water to multiple taps in your home – 24×7 x 365
  • The iStore uses advanced technology to store 4 kW of heat energy for every 1 kW of power consumed
  • The iStore consumes 75% – 85% less energy than conventional hot water systems
  • External wrap around heating coil provides maximum thermal energy transfer
  • The iStore offsets 2.9 tonnes of CO2 per-annum on an Australian average home
  • All-in-one integral unit, the iStore is easy and quick to install.

Water heating cost comparison

Heating hot water for your home accounts for up to a quarter of your electricity costs for the average Australian household.

The iStore reduces hot water heating consumption by two thirds from conventional electric or gas storage systems, while reducing CO2 emissions by 2.9 tonnes.

Installing an iStore could save you up to $1,000* per year on your energy bills.

Heat pump comparison chart

Low weekly running costs

Heating hot water for your home accounts for up to a quarter of your electricity costs for the average Australian household.

The iStore reduces hot water heating consumption by two thirds from conventional electric or gas storage systems, while reducing CO2 emissions by 2.9 tonnes.

Weekly running cost chart

Here’s how it works

  1. A fan draws in air, containing heat energy, across the evaporator
  2. The evaporator turns the liquid refrigerant into a gas
  3. The compressor pressurises the refrigerant into a hot gas
  4. The hot gas inside the condenser coil heats the water inside the coil-wrapped tank
  5. The refrigerant reverts back to a liquid after heating the water and continues to the evaporator for the process to start again

Product specifications 180 litre iStore

Product Specifications
Heating capacitykW3
Water tank capacityL180 L
Power inputkW0.58
Running currentA2.5
Power supply240V~/50H z
Rated outlet water temp.°C60
Air volumem³ / h700
Noise @ 1 mdB (A)46.6
Water inlet / outlet sizeBSB / mm20
Back up elementkW1.5
IP RatingX4
Dimensions
Height1956 mm
Diameter540 mm
Height to water inlet60 mm
Height to water outlet
Hot water condensation1240 mm
Height to PTR valve.
Height to anode1140 mm
Net weight93 kg
Warranty Information
Cylinder5 years
Refrigeration & electrical5 years
Valves or Accessories1 year

Product specifications 270 litre iStore

Product Specifications
Heating capacitykW3
Water tank capacityL180 L
Power inputkW0.58
Running currentA2.5
Power supply240V~/50H z
Rated outlet water temp.°C60
Air volumem³ / h700
Noise @ 1 mdB (A)46.6
Water inlet / outlet sizeBSB / mm20
Back up elementkW1.5
IP RatingX4
Dimensions
Height1956 mm
Diameter540 mm
Height to water inlet60 mm
Height to water outlet
Hot water condensation1240 mm
Height to PTR valve.
Height to anode1140 mm
Net weight93 kg
Warranty Information
Cylinder5 years
Refrigeration & electrical5 years
Valves or Accessories1 year

Instantaneous gas vs heat pump water heater in Sydney, one gas appliance only1

Hot water system typeHousehold size and daily hot water usageElectricity consumption kWh/yearGas consumption MJ/yearElectricity $/kWh incl. GSTGas $/MJ incl. GSTGas supply charge p.a.$Total cost
Gas instantaneous water heater (5 stars)Very small – 68 L/day (1 shower/day, dishes handwashed)6863600.270.0325220$445.06
Small – 136 L/day 2-3 showers, dishes handwashed68127160.270.0325220$651.63
Medium – 200 L/day 3-4 showers, dishes handwashed71187000.270.0325220$846.92
Efficient heat pump water heaterVery small – 68 L/day (1 shower/day, dishes handwashed)4440.27$119.88
Small – 136 L/day8870.27$239.49
Medium – 200 L/day12910.27$348.57

1 Data sources are Pitt & Sherry (2012) Running costs and operational performance of residential heat pump water heaters
www.pittsh.com.au/assets/files/CE%20Showcase/Residential_heat_pump_water_heaters.pdf
Energy Consult Pty Ltd (2010), Estimated hot water system running costs in Victoria, prepared for Sustainability Victoria
www.solarthermalworld.org/content/estimated-hot-water-systemrunning-costs-victoria-2010
Alternative Technology Association 2014, Are we still cooking with gas?
http://www.ata.org.au/wp-content/projects/CAP_Gas_Research_Final_Report_251114_v2.0.pdf
AGL Energy Price Fact Sheet 1 Sept 2016; AGL Gas Energy Price Fact Sheet 7 Oct 2016.

Instantaneous gas water heater vs heat pump in Canberra, one gas appliance only1

Hot water system typeHousehold size and daily hot water usageElectricity consumption kWh/yearGas consumption MJ/yearElectricity $/kWh incl. GSTGas $/MJ incl. GSTGas supply charge p.a.$Total cost
Gas instantaneous water heater (5 stars)Very small – 68 L/day (1 shower/day, dishes handwashed)687,0900.180.03252$476.94
Small – 136 L/day 2-3 showers, dishes handwashed6814,1890.180.03252$689.91
Medium – 200 L/day 3-4 showers, dishes handwashed7120,6200.180.03252$883.38
Efficient heat pump water heaterVery small – 68 L/day (1 shower/day, dishes handwashed)5700.18$102.60
Small – 136 L/day1,1390.18$205.02
Medium – 200 L/day1,7720.18$318.96

Data sourced from Pitt & Sherry (2012) Running costs and operational performance of residential heat pump water heaters
www.pittsh.com.au/assets/files/CE%20Showcase/Residential_heat_pump_water_heaters.pdf
Energy Consult Pty Ltd (2010), Estimated hot water system running costs in Victoria, prepared for Sustainability Victoria
www.solarthermalworld.org/content/estimated-hot-water-systemrunning-costs-victoria-2010
Alternative Technology Association 2014, Are we still cooking with gas?
http://www.ata.org.au/wp-content/projects/CAP_Gas_Research_Final_Report_251114_v2.0.pdf
AGL Energy Price Fact Sheet 1 Sept 2016; AGL Gas Energy Price Fact Sheet 7 Oct 2016.