Ready, Rest, Economy and Sleep Modes Explained: Understanding Hot Tub Settings

A hot tub provides an excellent way to relax, unwind and enjoy hydrotherapy at home. However, maintaining warm water can contribute to running costs. Understanding Ready, Rest, Economy and Sleep modes helps you balance comfort, convenience and energy efficiency.

Why Are Hot Tub Settings Important?

Hot tubs use heating systems to maintain water temperature. Heat escapes through the water surface, cabinet and plumbing, particularly during colder weather. Different operating modes determine how the system manages heating according to your selected temperature and usage schedule.

Choosing an appropriate mode can help reduce unnecessary heating while ensuring your spa remains comfortable when needed. However, settings vary between manufacturers, so always consult your owner's manual.

1. Ready Mode: Keep Your Hot Tub Prepared

Ready mode is ideal for people who use their hot tub regularly and want warm water available whenever they need it.

How Does Ready Mode Work?

In many systems, Ready mode monitors water temperature and activates the heater when necessary to maintain the selected temperature. For example, if your target temperature is 38°C, the system works to keep the water close to that level.

Benefits of Ready Mode

• Maintains a consistent, comfortable temperature.
• Provides convenient access to warm water.
• Reduces waiting time before spontaneous sessions.
• Suits households with frequent bathing routines.

However, maintaining a higher temperature throughout the day may increase energy consumption, depending on insulation, weather and usage.

Best for: Daily users who prioritise convenience and consistent warmth.

2. Rest Mode: Heat According to Operating Cycles

Rest mode generally reduces temperature maintenance between designated operating cycles. Depending on the control system, heating may occur during scheduled filtration or circulation periods.

How Does Rest Mode Work?

The water temperature may fall below your selected setting between cycles. When heating becomes available, the system can warm the water towards the target temperature.

This means you might need to wait before enjoying your hot tub, particularly after several hours without heating.

Benefits of Rest Mode

• May reduce unnecessary heating activity.
• Supports predictable bathing schedules.
• Offers flexibility for occasional users.
• Can help manage energy consumption in suitable conditions.

Best for: People who use their hot tub at specific times and accept some temperature variation.

3. Economy Mode: Manage Energy Consumption

Economy mode is designed to restrict or schedule heating during selected periods on many hot tubs. It can help owners manage running costs when immediate access to fully heated water is unnecessary.

How Does Economy Mode Work?

Depending on the model, heating may operate during programmed filtration cycles or designated heating periods rather than maintaining the target temperature continuously.