Most people research the product thoroughly and arrive at installation day with no idea what is about to happen in their backyard.
That gap causes avoidable friction: a unit ends up somewhere nobody is happy with, a cost appears that nobody budgeted, or the pool is out of action longer than expected.
Here is what installing a heat pump for swimming pools actually involves, in order, and the decisions you should make before anyone arrives.
Before the day: the site visit
Any competent installer will look at the site before quoting. If yours has quoted from a phone call, that is worth questioning.
What they should be assessing:
Where the unit can go, with manufacturer clearances on all sides and above for airflow.
The distance to the existing plant, since pipe runs affect heat loss and pump load.
Your electrical supply, both what the property has and whether the switchboard has capacity and space.
Your existing circulation pump, and whether its actual flow rate at the speed you run it suits the heater's requirement.
Access, for getting the unit into the yard. These are not light and they do not go through a standard gate on a trolley in every case.
Drainage, because the unit produces condensate.
The placement decision, which is yours to weigh in on
This gets decided quickly on the day if you have not thought about it, and you live with it for years.
Airflow is non negotiable. The unit extracts heat from air. Clearances exist for a reason and a boxed in unit works harder for less.
Noise. There is a fan and a compressor running for extended periods, often early morning. Walk the boundary before you decide. Under your bedroom window is bad. Under a neighbour's bedroom window is worse and harder to undo.
Exhaust direction. The discharged air is cooler than ambient. Do not point it at your outdoor seating.
Sight lines. You will look at this from the house for years.
Service access. Someone will need to reach it in five years. Do not plan a garden bed around it.
Sun exposure. Not critical, though a unit in permanent full afternoon sun works marginally harder.
The best outcome comes from walking the yard with the installer and agreeing the position deliberately rather than accepting the first practical spot.
The electrical work
This is where unbudgeted cost most often appears.
Supply type. Larger units may require three phase. Many Australian homes are single phase, and an upgrade is a substantial separate cost involving your network distributor.
Switchboard capacity and space. Older boards may need work regardless of supply type.
A dedicated circuit. Standard for this kind of load.
Cable run. From the board to the unit, and distance affects cost.
All of this must be done by a licensed electrician. Get it priced as part of the project rather than discovered on the day, and ask specifically whether any switchboard or supply upgrade is included or excluded.
The plumbing
Generally more straightforward than the electrical work.
The heater goes into the circulation loop, normally after the filter so it receives clean water.
A bypass is usually fitted so the heater can be isolated for service without shutting down circulation.
Non return valves where required.
Union fittings so the unit can be disconnected without cutting pipe.
Flow rate check, confirming your pump delivers what the heater needs at the speed you actually run it. Variable speed pumps set to a low eco speed are a common and easily missed problem.
Commissioning, and what to insist on
The part most often rushed, and the part that determines whether you understand your own equipment.
Ask your installer to:
Run it and confirm it is heating, with water temperature rising.
Show you the controller. How to set a temperature, how to set a timer, how to read the display.
Set up the app, if the unit has one. Do this while they are there, not from a manual afterwards.
Explain the operating logic. Specifically that you set a temperature and leave it, rather than switching on and off.
Tell you realistic heat up time for your pool from its current temperature.
Hand over documentation. Manual, warranty, model and serial number, installer details.
Explain what voids the warranty, particularly regarding water chemistry and airflow obstruction.
If commissioning takes four minutes and ends with "it's all set", ask for the walkthrough.
The first fortnight
Do not panic. A pool is an enormous mass of water. Heating from cold takes days on a heat pump, not hours. New owners frequently check three hours in and conclude something is wrong.
Set your temperature and leave it running. Resist the urge to switch it off overnight.
Put the cover on. Every night. This is when you establish the habit that determines your running cost.
Watch for anything unusual. Odd noise, water pooling beyond normal condensate, error codes. Report early.
Do not landscape around it yet. Live with the position for a season before you build a screen.
What is usually not included
Worth asking about explicitly rather than assuming:
Electrical supply or switchboard upgrades
A concrete pad or base, if required
Pool cover and roller
Removal and disposal of an old unit
Any council or body corporate approvals
Landscaping or screening
Frequently asked questions
How long does installation take?
Typically a day for a straightforward installation. Electrical supply upgrades add time and are usually a separate visit.
Can I use the pool during installation?
Circulation is interrupted while plumbing is connected. Ask for the specifics on the day.
Do I need council approval?
Usually not for the heater itself, though noise provisions may apply and bodies corporate frequently have requirements. Check before installation.
Can I install it myself?
Electrical and plumbing connections require licensed trades, and placement materially affects performance. This is not a good DIY candidate.
What if I do not like where it ended up?
Moving it later means new electrical and plumbing work. Agree the position before it is fixed.
How soon can I swim?
As soon as it is commissioned, though the water will take days to reach temperature from cold.
Walk the yard before you sign
Placement, electrical supply and commissioning are the three things that determine whether you are happy, and all three are decided before or during installation day.
Browse the full pool heater range, or request a free personalised pool heat report.
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