Hot tub with external heater


Working in harmony with nature the wood-fired heater is the most economical and energy efficient way to bring a hot tub up to and maintain a comfortable temperature.

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Working in harmony with nature the wood-fired heater is the most economical and energy efficient way to bring a hot tub up to and maintain a comfortable temperature. Simply light the fire, add logs, watch and savour the aroma and warm glow of the fire working its magic. In 1-3 hours you will be enjoying that spa feeling. All our outdoor hot tubs are with fiberglass shell and timber cladding, equipped with stainless steel wood fired heater. Hot tub construction is made of raw spruce wood, which makes it blend well into nature. The fiberglass shell inside the tub is easy to clean, very durable, long lasting and can be coloured in grey, blue or white/cream. Comfortably curved seats are friendly to body lines. No flat wooden benches, no harsh 90° angles — once you get in, you’ll want to stay in.


    • Inner diameter: 180 cm
    • Outer diameter: 200 cm
    • Depth: 85 cm
    • Height: 94 cm
    • Bench width: 32 cm
    • Bench height: 28 cm
    • Weight: 160 kg
    • Water: 1300 l
    • For 4-5 people

Standard equipment:

    • Fiberglass hot tub shell 180 cm ø
    • External stove AISI 304 or AISI 316
    • Spruce finish (selected colour or oil)
    • Steps type 1 (Standart steps)
    • Water stirring paddle
    • The drainage valve
    • Connections for the heaters, hoses.

Hot Tub External Heater At Home

Introducing the Hot Tub External Heater – the perfect addition to your home for those seeking a wider bathtub design while enjoying the numerous health benefits of a private hot tub. Studies have shown that soaking in a hot tub has various health benefits, especially for the heart. With a diverse range of hot tub designs available, it’s important to choose one that suits your preferences and needs. For those who desire a wider bathtub, the Hot Tub External Heater is the ideal option.

Hot Tub External Heater Benefits

Here are some benefits of having a Hot Tub External Heater as your go-to hot tub design:

  1. Comfort: The Hot Tub External Heater does not take up any space inside the bathtub, ensuring you can soak comfortably without restraints.
  1. Safety: Unlike internal heaters, the external heater is much safer, as there is no risk of coming into contact with hot metal while in the tub.
  1. Efficiency: The external wood-fired hot tub heater is more economical and efficient in providing the right temperature for your hot tub. Additionally, it is easier to maintain a comfortable temperature with this heater.

Features to consider on Hot Tub External Heaters

If you’re thinking of buying a hot tub external heater, it’s important to know what features it has. There are different materials you can choose from, and if you like natural options, you might consider an external wood-fired heater. But before you decide, understand what features you need to look for. Here are some things to consider.

Material Construction

Both inner and outer hot tubs are made from high-quality materials and can offer an enjoyable and comfortable spa experience. Therefore, it’s important to carefully consider the type of materials used to construct the hot tub. If you’re interested in having an outdoor hot tub at home, the Ambergrill external wood-fired hot tub heater could be a good option for you. This hot tub is made from natural spruce wood that blends well with its surroundings, while its fibreglass shell allows various colours to be applied easily. With so many great options, you might find it hard to decide on just one!

Hot Tub Durability

While it’s important for a hot tub to blend well with its natural surroundings, durability should be a top priority when choosing one. You need to consider if the hot tub is built to last. Fortunately, a fibreglass shell is often used to increase the tub’s durability and make it easy to clean and stain. With a hot tub external heater, you can enjoy a private spa experience and adjust the intensity and temperature to your liking. It’s a great way to take care of your body and relax. So, get your own external wood-fired hot tub heater in the UK now!

Additional information


4-6 People, 6-8 People

Inside color

Blue, Grey, White

Exterior color

Spruce, Larch £182, Thermowood £221, Red wood £975, WPC £429