Energy Efficiency Tips for Running Your Hot Tub

Owning a hot tub is a luxury that offers relaxation, hydrotherapy, and enjoyment. However, hot tubs can consume significant energy, leading to higher electricity bills and environmental concerns. With the right strategies, you can reduce energy usage and enjoy your hot tub guilt-free. Here are the best energy efficiency tips for running your hot tub.

1. Choose an Energy-Efficient Hot Tub

If you’re shopping for a new hot tub, look for models with high energy efficiency ratings. Features like full-foam insulation and energy-efficient pumps can make a substantial difference in energy usage.

Pro Tip:

Look for hot tubs certified by the California Energy Commission (CEC) or Energy Star for verified energy savings.

2. Insulate Your Hot Tub Properly

Proper insulation is critical for reducing heat loss. Many hot tubs come with insulation, but additional measures can make them even more efficient:

• Use a thermal hot tub cover: Invest in a high-quality, well-fitted cover to trap heat when the tub is not in use.
• Add a floating thermal blanket: These inexpensive accessories provide an extra layer of insulation on the water’s surface.
• Seal gaps: Ensure no gaps exist around the tub shell or cabinet that allow heat to escape.
• High density foam insulation: Invest in a hot tub that utilizes full foam insulation, this design helps retain heat and is overall a more energy efficient hot tub design. 

3. Optimize Water Temperature

Keeping the water temperature unnecessarily high when not in use wastes energy. Lowering the temperature by even a few degrees can result in noticeable savings.

Recommended Settings:

• Standard Use: Set between 100°F to 102°F.
• When Not in Use: Lower to 90°F to 95°F or use the economy mode, if available.

4. Use Energy-Efficient Pumps and Heaters

Older hot tub models may have outdated pumps or heaters. Replacing these with modern, energy-efficient components can significantly reduce power consumption.

Upgrades to Consider:

• Variable-speed pumps: Consume less electricity and provide customizable flow rates.
• High-efficiency heaters: Heat water faster and use less energy overall.

5. Regular Maintenance

Keeping your hot tub in good condition ensures it runs efficiently. Neglected maintenance can lead to clogs, overworked pumps, and higher energy bills.

Essential Maintenance Tasks:

• Clean and replace filters regularly.
• Ensure water chemistry is balanced to prevent buildup.
• Inspect and maintain the pump and heater to keep them operating efficiently.

6. Install a Windbreak or Shelter

Wind can quickly sap heat from your hot tub. Installing a windbreak, fence, or even a small enclosure can help your hot tub retain heat more effectively.

Bonus Benefit:

A windbreak also enhances your hot tub’s privacy and comfort.

7. Use the Timer and Energy-Saving Modes

Many modern hot tubs include timers and energy-saving modes. Use these features to schedule heating during off-peak energy hours or maintain a lower standby temperature.

8. Limit Hot Tub Usage During Peak Hours

Electricity rates are often higher during peak hours. Shift your hot tub usage to evenings or weekends to save money, especially if you have a time-of-use energy plan.

9. Keep Your Hot Tub Covered When Not in Use

Always cover your hot tub immediately after use. Even short periods of exposure can lead to significant heat loss and increased energy use.

10. Consider Solar Heating Options

For eco-conscious owners, solar heating systems can be an excellent way to reduce energy consumption. While the upfront cost is higher, long-term savings and reduced environmental impact make it a worthwhile investment.

Enjoy Your Hot Tub While Saving Energy and Money

Implementing these tips can help you save money, reduce energy waste, and enjoy your hot tub with peace of mind. Start today and make your hot tub both relaxing and eco-friendly!

Frequently Asked Questions

How much does it cost to run a hot tub monthly?

The average monthly cost of running a hot tub is $20–$50, depending on energy rates, usage, and the efficiency of your hot tub. Following energy-saving tips can reduce this cost.

How can I tell if my hot tub cover needs replacing?

If your hot tub cover feels waterlogged, has cracks, or no longer fits snugly, it may be time to replace it. A damaged cover can lead to significant heat loss.