Outdoor Cedar or Thermowood Hot Tub With Internal Firewood Heater and Cover
Enjoy the luxury of a spa experience even in limited outdoor space with Shym Saunas' Outdoor Cedar or Thermowood Hot Tub with Internal Firewood Heater. Built with premium materials and an efficient 2 mm stainless steel internal heater, it's elegant, compact, and ready for year-round relaxation.
Choose between high-grade Canadian Western Red Cedar or Thermo-treated Hemlock for a design that blends beauty, strength, and performance.
Key Features & Benefits
Compact & Elegant Design
- Space-saving internal heater means no external pipes or bulky side heaters.
- Ideal for in-deck or in-ground installations, or small backyards and outdoor retreats.
- Modern, elegant look in either natural cedar or dark thermowood finish.
- Heats water from cold to 38°C in 1–3.5 hours, depending on size and weather.
Premium Materials
- Canadian Western Red Cedar: rot and water resistant, naturally aromatic and long-lasting.
- Thermo-treated Hemlock (optional): dimensionally stable, fungi-resistant, superior insulation.
- 304# stainless steel components including heater, bolts, and fasteners for corrosion resistance.
- High-density polystyrene thermal cover with UV-resistant, marine-grade surface.
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
- Heater separation fence
- Wood-fired internal heater with flue and cleaning kit
- High-density thermal insulation cover
- Benchtops and wooden stairs
- 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 |
1–3.5 hours from cold to 38°C, depending on size and weather |
| Heater |
2 mm stainless steel internal wood-fired heater |
| 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