Heat Pumps
How Do Hot Water Heat Pumps Work?
Hot water heat pumps efficiently heat water by transferring heat from the surrounding air instead of generating heat directly. They work by extracting heat from ambient air using a refrigerant, even in cooler conditions. The refrigerant is then compressed, raising its temperature significantly, and the heat is transferred to the water through a heat exchanger. The heated water is stored in an insulated tank, ready to supply hot water for household use.
This method is highly energy-efficient, producing 3–4 units of heat for every unit of electricity consumed. Hot water heat pumps are an eco-friendly and cost-effective alternative to traditional water heaters, significantly reducing energy consumption and greenhouse gas emissions while providing reliable hot water for daily needs.
What Should I Consider When Choosing a Heat Pump?
When choosing a heat pump, several key factors should guide your decision to ensure it meets your household’s hot water needs effectively. Capacity is one of the most important considerations. The size of the tank should match your household’s demand; for example, a 200-250 liter tank is typically sufficient for a family of 2–4 people, while larger households may require a bigger system.
Additionally, check whether the heat pump includes a backup heating element. This is particularly useful during periods of high water demand or in colder climates where the heat pump may struggle to operate efficiently.
The unit design also play a significant role. Heat pumps come in two main types: all-in-one units, where the compressor and tank are combined, and split systems, where the compressor is located separately from the tank. All-in-one units are compact and easier to install, making them suitable for smaller spaces, while split units usually run a little bit more efficiently.
Lastly, ensure the system fits your budget, installation requirements, and long-term expectations, balancing the initial investment with operational efficiency. By weighing these factors, you can choose a heat pump that suits your household’s needs while delivering cost-effective, reliable hot water.
Why More Australians Are Making the Switch
With rising energy prices, a growing focus on sustainability, and government-backed rebates on the table, heat pumps have become one of the best-value upgrades for homes looking to cut costs and reduce carbon.
Key benefits include:
- ✅ Energy Efficiency: Use up to 70% less electricity than traditional systems
- ✅ Low Running Costs: Ideal for homes with high water usage
- ✅ Solar Ready: Run your hot water system on clean energy if you have panels
- ✅ Rebate-Eligible: Claim government incentives and STCs to lower upfront costs
- ✅ Reliable Performance: Works day or night — no sunlight required
- ✅ Smart Tech Compatibility: Set timers, schedules, and off-peak operation for maximum savings
Whether you’re upgrading from an outdated system or building an energy-efficient home from scratch, a heat pump hot water system is a long-term investment that pays off.
What’s Included with a Brightworks Heat Pump Install?
We make the switch simple and stress-free:
- Free Site Assessment
We inspect your property, evaluate energy usage, and confirm the right location for your system. - Rebate Assistance
We’ll help you access available government rebates and process any eligible STCs to reduce your cost. - Expert Installation
Our fully qualified, CEC-accredited team will remove your old system and install the new one safely and efficiently. - System Setup & Support
We walk you through using your new heat pump, configuring schedules (if needed), and staying energy smart. - Ongoing Aftercare
We’re here if you need support, upgrades, or servicing down the track.
Why Choose Brightworks Solar?
When it comes to energy upgrades, you want a team you can trust. Here’s why homeowners choose Brightworks for their heat pump installations:
- Tailored Advice – We recommend what fits your home, not what’s easiest to sell
- Trusted Brands – Only high-performance, rebate-eligible systems
- Certified Installers – CEC-accredited professionals, fully insured
- Rebate Assistance – We handle the paperwork so you don’t have to
- Aftercare Support – We’re here long after the install
- Solar Integration – Seamless setup with your existing solar system
Frequently Asked Question
Heat pumps can reduce your hot water energy use by up to 70%, especially when used with solar.
Yes. Most modern units are designed to operate efficiently in a wide range of temperatures, including cooler Australian regions.
Absolutely. Heat pumps qualify for STC (Small-scale Technology Certificate) rebates and other state-based incentives. We’ll help you claim them.
Typically 10–15 years, with warranties often ranging from 5 to 10 years depending on the brand.
Not really. Most units operate at around 40–50 decibels — that’s quieter than a dishwasher and far less than an air conditioner.
Heat pump systems come in various sizes, but most fit comfortably where your old hot water system was — either outdoors or in a laundry/utility area.
Aquatech
Aquatech X Series
Heat Pump
Reclaim
Reclaim CO2
Heat Pump
Start Saving
with Solar Now
You’ll get a call back from one of our friendly staff to go through the next steps and to answer all your questions.
