Heat Pumps

Heat Pumps

Buildmat’s heat-pump hot water systems bring energy-efficient, compressor-driven comfort to Australian homes. Browse our full range of low-consumption units, or explore the complete Buildmat hot water system collection for every application.

Heat Pump Hot Water Systems: Big-Tank Comfort, Tiny Energy Consumption

Heat pump hot water systems act like reverse-cycle air-conditioners for your taps: a high-efficiency compressor draws warmth from the air and transfers it into a sealed storage tank.

This helps slash energy consumption compared with a conventional electric element. The result is a mains-pressure heating system that keeps every Australian shower steamy while delivering serious energy savings year-round.

Why They’re So Energy Efficient

  • High COP (Coefficient of Performance) – Each kilowatt of electricity runs the compressor and produces 2–4 kW of heat, driving down running costs.
  • Smart Thermostats & PV Scheduling – Heat water during off-peak hours or when rooftop solar is exporting to maximise energy savings.
  • Automatic Boost Element – Cuts in only during extreme cold snaps, so most of the year your energy-efficient heat pump handles the entire heating load.

Design & Durability

  • 200–300 L Vitreous-Enamel or Stainless-Steel Storage Tank – Resists rust and scale in tough Australian conditions.
  • Eco-Friendly Refrigerants (R290 / R134a) – Tuned to deliver reliable hot water from –5 °C right up to scorching 43 °C days.
  • Frost Guard, Sacrificial Anode & Safety Valves – Protect longevity and meet AS 3498 standards.

Easy Swap-In Installation

  • Standard 230 V plug (no three-phase) plus ½-inch BSP water fittings let a plumber replace an old cylinder in a single visit.
  • Compact outdoor footprint and side-ducted airflow fit tight yards and townhouse passages.

Everyday Performance

  • Fast Recovery – Heats to 50 – 60 °C quickly, covering households of four to six people.
  • Quiet Mode – Variable-speed fan keeps sound around 45 – 50 dB, similar to a split-system on low.
  • Legionella Control – Weekly 70 °C pasteurisation cycle keeps water hygienic.


Choose a hot water system with heat pump technology and turn water heating into an energy-efficient win. Its high-performance compressor slashes energy consumption while delivering constant, mains-pressure comfort.

Make the swap once, enjoy lasting energy savings for years, and feel good about a heating system that works as hard for the planet as it does for your home.

Recently viewed