Heat pump hot water in Adelaide
A heat pump moves heat out of the air instead of making it, so it uses far less energy. It pays best in a home that has rooftop solar.
Should I switch my hot water to a heat pump?
If your system is old, or runs on gas or a standard electric element, a heat pump is worth a serious look. It can use up to 70% less energy than a traditional electric system, and it can often connect to your existing plumbing.
It suits homes with shade or small roofs too, because it needs no direct sunlight and no roof collectors. The case is strongest when you have solar to run it. We check that against your power bill at the consultation.
How a heat pump heats water
It works like an air conditioner in reverse. A fan draws in outside air, the system extracts the heat, and that heat goes into your water tank.
It only runs when heating is needed, usually a few hours a day. Heating a full tank takes about 2 to 4 hours, depending on the model, tank size and air temperature. Most domestic units run on standard single-phase power.
Will it cope with an Adelaide winter?
Yes. Modern units are designed to run efficiently down to about -5°C. Some models also have a backup electric element for very cold conditions, and many have a booster that keeps hot water coming if the system faults.
Running it on your solar
Hot water is one of the easiest loads to shift. Heating your tank in the middle of the day uses solar power you might otherwise export for a low feed-in credit. If you are working towards getting off gas, hot water is often a sensible early step.
What the install involves
A standard install takes half a day to a full day, depending on your plumbing and electrical setup. Units usually go outdoors in a well-ventilated spot, because they need airflow.
- Tank sizes from 150L for smaller households to 315L or more for larger families
- Noise around 40 to 50 decibels, similar to a modern fridge
- Expected life of 10 to 15 years with proper maintenance
- Air filter clean and inspection every 2 to 3 years
Common questions
Are there rebates for heat pump hot water?
Yes, federal and state programs can apply, including the Small-scale Renewable Energy Scheme. The amount depends on the product and current rules, so we confirm it in your quote.
Is a heat pump better than solar hot water?
Both are efficient, but a heat pump does not depend on sunlight or roof collectors, which helps on shaded or smaller roofs.
Does it make the area around it colder?
Slightly. The exhaust air is cooler, but the effect is small and local.
What size do I need for a family?
It depends on how many people live in the home and how they use hot water. Sizes run from 150L up to 315L or more.
How quickly does it reheat after heavy use?
Most systems recover within a few hours, depending on tank size and model.
Explore this topic
Questions people ask us
Related services
What our customers say
Reviews of Westside Energy on Google.
Book your bill audit
Leave your details and an energy expert will call to arrange a time.