Installation and site preparation

Getting the site right is one of the most important parts of owning a hot tub. A solid, level, well-prepared installation area helps protect the structure, supports safe operation, and reduces the risk of avoidable damage or warranty issues. General Australian installation guidance also commonly stresses a stable base, suitable electrical setup, and proper site planning for hot tubs.

Before delivery

Before your hot tub arrives, the site should be fully prepared and access should be checked carefully. The installation area must be suitable for the size, weight, and placement of the product, including room for delivery, positioning, and future maintenance.

Filled hot tubs are very heavy once water and occupants are added, so the base must be able to support the load safely. A 6-seater hot tub can weigh well over 2,000 kg when filled and in use, so proper foundations are essential.

Foundation requirements

Your hot tub must be installed on a flat, level, and solid base. The surface must remain stable over time and must not shift, sink, or twist under load.

Recommended foundations include:

  • Reinforced concrete pad, minimum 100 mm thick.
  • Level paving stones laid on a properly compacted base.
  • Reinforced timber deck, only where load capacity has been checked by an engineer or suitably qualified professional.

Soft ground, uneven surfaces, pavers laid on loose material, and structures not designed for high point loads are not suitable unless properly engineered.

Drainage and access

The installation area must allow for proper drainage so water does not pool around the hot tub or undermine the base over time. Standing water can create slip hazards, affect equipment longevity, and cause ground movement.

You should also leave enough access for:

  • Filling and draining the tub.
  • Routine cleaning and maintenance.
  • Servicing pumps, heaters, plumbing, and electrical components.
  • Removing or replacing parts in the future.

If the tub is boxed into a tight space, please allow for service access from the outset.

Electrical requirements

For electric hot tubs, the power supply must be installed by a qualified electrician and must comply with all applicable Australian electrical standards and safety requirements. Australian wiring guidance requires RCD protection for residential final subcircuits, and hot tub suppliers commonly recommend a dedicated circuit and licensed installation.

Key considerations include:

  • Most electric hot tubs require a 15-amp supply.
  • A dedicated circuit is strongly recommended.
  • RCD protection is required where electricity and water are in close proximity.
  • Any site-specific electrical work must be completed by a licensed electrician.

Do not assume the existing outdoor power supply is suitable without proper inspection. Incorrect wiring, inadequate circuit capacity, or poor protection can create serious safety risks and may affect warranty coverage.

Wood-fired models

Wood-fired hot tubs do not require electrical connection for heating, which can make them simpler to install in off-grid or remote locations. Even so, the site still needs to be planned carefully.

For wood-fired models, consider:

  • Smoke direction relative to neighbours, windows, seating areas, and structures.
  • Clearances around the flue and heater area.
  • Distance from overhanging branches, shrubs, and other combustible materials.
  • Safe access for tending the fire and adding water.
  • Ground stability and drainage around the unit.

A wood-fired hot tub should always be positioned with fire safety and air flow in mind.

Placement considerations

Where you place your hot tub affects comfort, safety, privacy, and day-to-day usability.

We recommend considering:

  • Level ground to prevent stress on the shell and uneven water levels.
  • Easy access to water supply and drainage.
  • Privacy from neighbours and street view.
  • Shelter from strong wind where possible.
  • Convenient access to a changing or drying area.
  • Sun exposure, shade, and prevailing weather conditions.
  • Safety around steps, fencing, and walkways.

The best site is usually the one that balances access, privacy, safety, and long-term maintenance. NSW guidance also highlights the importance of checking local compliance, especially for approvals, registration, covers, barriers, and related safety obligations where applicable.

Customer responsibility

The customer is responsible for ensuring the site is suitable before delivery or installation. This includes checking access, load capacity, electrical readiness, and compliance with local building, electrical, plumbing, and safety requirements.

Andes Pacific can provide general guidance, but the final responsibility for site preparation remains with the customer and any trades or consultants engaged by the customer. If you are unsure whether a site is suitable, it should be reviewed by a qualified professional before delivery is booked.

Recommended approach

For the best result, prepare the site before the hot tub is scheduled to arrive. A properly prepared installation area helps reduce delays, avoids extra redelivery or storage charges, and gives your hot tub the best chance of performing as intended.