Hot Tubs vs Cold Plunges: Which Is Right for Your Garden?
Hot tubs and cold plunges both bring water into your garden routine, but they are very different purchases. One is about long, warm soaks with friends or family; the other is short, sharp and usually done alone. This guide explains how each works and what to check before you buy.
What each one is for
- Hot tubs hold warm water, typically up to around 40°C, with jets and seating. They are social, used for longer sessions, and are usually in use all year.
- Cold plunges hold cold water, commonly in the range of 10 to 15°C, for short immersions of a few minutes. They are compact and most people use them on their own.
Space and installation
Both need a firm, level base and clear access for delivery. Measure the route to the site as well as the spot itself, including gates, side passages and steps. Allow room around the unit for cover storage and for maintenance access. Hot tubs are heavy once full, so the base matters more than people expect. Check with the supplier for the filled weight and the base they recommend.
Power and running costs
Both need electricity, and the requirements differ by model. Some units run from a standard socket, while others need a dedicated supply installed by a qualified electrician. Always check the product's power requirements before you order. Heating a hot tub is usually the largest running cost, and a well-fitted insulated cover makes a real difference. A cold plunge uses power to chill and filter the water, so look at the chiller details on the product page.
Water care
Both need clean water. Hot tubs usually need regular testing and sanitiser, because warm water is where bacteria thrive. Cold plunges with filtration and a sanitiser need less attention, but the water still has to be kept clean and changed periodically. Ask what filtration is built in and what you will need to buy separately.
Cold plunge basics
Research on cold water immersion points to possible benefits for mood and recovery, but much of it is based on cold water swimming, so it is hard to separate the effect of the cold from the exercise. A few sensible habits:
- Start with short sessions and build up gradually.
- A common range is 10 to 15°C for around 10 to 15 minutes at most, and many people stay in for far less.
- Going much below 10°C increases the risks without a clear extra benefit.
- Expect cold shock on entry: fast breathing and a raised heart rate. Settle your breathing before you stay in.
- Never plunge alone if you are new to it, and get out if you feel unwell.
Choosing between them
- Choose a hot tub if you want time to relax with other people and have the space and budget for ongoing running costs.
- Choose a cold plunge if you want a compact, short daily routine, or you already use a sauna.
- Want both? Many people pair hot and cold. A sauna and a cold plunge is a popular combination.
Our cold plunges
Browse our cold plunge range, or see the full wellness collection. If you are weighing up sauna types as well, read our guide to infrared vs traditional saunas.
Heat and cold exposure are not suitable for everyone. If you have a heart condition, high blood pressure, are pregnant, or are unsure, speak to your doctor first.
Need help choosing?
Email hello@ganetts.com or call 0333 880 6710 and we will help you find the right fit.