Outdoor Cedar or Thermowood Hot Tub With External Firewood Heater and Cover
Unwind in nature with Shym Saunas' Outdoor Cedar or Thermowood Hot Tub with External Firewood Heater. Designed for comfort, efficiency, and rustic elegance, this premium hot tub delivers an authentic wood-fired experience with easy setup and lasting durability.
Choose between Western Red Cedar or Thermo-treated Hemlock, both providing superior heat retention and beautiful natural aesthetics.
Key Features & Benefits
Traditional Look, Modern Performance
- Authentic wood-fired heating with an external stainless steel stove.
- Runs on renewable firewood — no electricity needed, heating water in 1–3 hours depending on size.
- Optional cedar or thermowood build for premium outdoor appeal.
- Comfortably fits 2–8 people depending on selected size.
Premium Materials
- Canadian Western Red Cedar: naturally rot-resistant and aromatic, ideal for outdoor conditions.
- Thermo-treated Hemlock: enhanced stability, fungi resistance and energy efficiency.
- 304# stainless steel components including heater, fasteners, and straps.
- High-density polystyrene thermal cover to retain heat and save energy.
A Closer Look
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Detail view 1

Detail view 2

Detail view 3
What's Included
- Wooden floor base plate
- Preassembled wooden staves
- External wood-fired heater with flue kit
- High-density polystyrene thermal cover
- Benchtops and wooden stairs
- Plumbing accessories (pipes, valves, inlet/outlet connections)
- Assembly manuals and installation video guide
Technical Specifications
| Technical Details |
| Diameter Options |
1500mm (2–3 persons) / 1800mm (4–5 persons) / 2100mm (6–8 persons) |
| Height Options |
900 mm or 1200 mm |
| Heating Time |
1–3 hours, depending on size |
| Heater |
External stainless steel wood-fired stove |
| Material Options |
Canadian Western Red Cedar or Thermo-treated Hemlock |
This product is intended for wellness, lifestyle, and educational use only. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease. Please consult a qualified healthcare professional before use if you have any medical conditions.
Professional Installation & Sauna Setup
We work closely with a trusted company that specializes in setting up saunas and similar wellness equipment. At an additional cost, they can professionally handle the installation of your new product, ensuring it's ready to use safely and efficiently.
If you would like to arrange installation, please send an email to sales@corerecovery.com.au and let us know which product you are interested in that requires setup. Our team will provide you with pricing and schedule details.
Special Offer: For orders of multiple products totaling over $30,000, installation is free of charge.
Ensure your wellness equipment is set up correctly and safely. Contact us today to take advantage of our professional installation services!
For products from PlusLife
Each PlusLife sauna is handcrafted and fully assembled at our facility for inspection before shipping. This ensures every component meets our strict quality standards.
- Delivery times vary depending on stock availability. If the model is in stock, dispatch can happen immediately after order confirmation. Production timeframes range between 6 to 12 weeks, depending on the specific model and current manufacturing queue.
- Delivery: Australia-wide curbside delivery as standard, with optional white-glove service
- Access: For difficult access properties, please be available on the day to assist our drivers
- Packaging: Delivered flat-packed for easy movement and assembly
- Pickup: Free collection available from our Sydney warehouse