Wooden Hot/Cold Baths & Tubs

Wooden Hot/Cold Baths & Tubs

Stave-coopered solid pine, hot or cold, no liner and nothing synthetic

Timber, steel and water. Nothing else. These tubs have no liner and no sealant — the pine swells when it gets wet and the joints close on themselves, which is how barrels have held liquid for centuries. Fill one hot for a soak or cold for a plunge; pine takes both.

  • Stave-coopered solid pine
  • No liner, no sealants
  • Hot soak or cold plunge
  • Step included
  • 250 to 880 litres
Buying guide
Which size should I get?

The 800 barrel seats one person upright and holds around 250 litres, which is the easiest to fill, chill and change. The 1250 tub is a single deep soak with room to lie back. The 1500 barrel seats three around the edge at around 880 litres, and at that volume a chiller earns its keep.

Hot or cold?

Either, in the same tub, with nothing to change. Pine is stable across the full range. Fill it hot for a traditional timber bath, or cold with ice or a chiller for a plunge.

Will it leak?

Some seepage at the joins on the first fill is normal and it is how stave-coopered timber works. The pine swells on contact with water and the joins seal themselves within one or two fills. Fill and empty it once before your first proper use.

Can I put chlorine in it?

No. Chlorine breaks down the fibre of the wood itself. That is the trade-off of a tub with no liner: nothing synthetic between you and the water, and no chemical residual either. Keep the water fresh and clean the tub rather than dosing it. If you need a sanitiser residual, choose a stainless steel bath instead.

Can I use one commercially?

Yes, run as a single-bather plunge and drained every night. Each product page carries the full routine. What a wooden tub will not do is hold a sanitiser between bathers, so it does not suit continuous public throughput. Venues licensed as health establishments should check what their licence requires.

How much maintenance is it?

Rinse after use, drain fully, let it dry. Re-oil once or twice a year with a food-safe timber oil. That is the whole routine for domestic use.

Download the Ice Baths brochure

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Find a product:
Wooden Ice Tub – 1250x650x600mm
Budget ลดราคาพิเศษOn Special

Wooden Ice Tub – 1250x650x600mm

  • Size: 1250 x 650 x 600mm
  • Material: Sustainably sourced solid pine (stave-coopered), steel hoop bands, eco-friendly oil stain finish
  • Capacity: 1 or 2 Persons
  • Volume: ~760 Liters
  • Availability: 5-7 weeks from deposit
  • Build: Hand made to order
฿74,999 จากFrom ฿63,700 ประหยัดSave 15% ฿11,299
Wooden Barrel Ice Bath – 1500×700 mm
Budget ลดราคาพิเศษOn Special

Wooden Barrel Ice Bath – 1500×700 mm

  • Size: 1500 Diameter × 700 High mm
  • Material: Sustainably sourced solid pine (stave-coopered), steel hoop bands, eco-friendly oil stain finish
  • Capacity: 2-3 People
  • Volume: ~880 Litres
  • Availability: 5-7 weeks from deposit
  • Build: Hand made to order
฿74,999 จากFrom ฿63,700 ประหยัดSave 15% ฿11,299
Wooden Barrel Ice Bath – 800×700mm
Budget ลดราคาพิเศษOn Special

Wooden Barrel Ice Bath – 800×700mm

  • Size: 800 Diameter × 700 High mm
  • Material: Sustainably sourced solid pine (stave-coopered), steel hoop bands, eco-friendly oil stain finish
  • Capacity: 1 Person
  • Volume: ~250 Litres
  • Availability: 5-7 weeks from deposit
  • Build: Hand made to order
฿34,999 จากFrom ฿29,700 ประหยัดSave 15% ฿5,299

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Common questions

Everything you want to know about ice baths & chillers

Both are food-grade and corrosion-resistant. 316 adds extra protection for coastal air and chlorinated water, so it’s the safer choice near the sea or beside a pool. 304 is excellent value everywhere else. We’ll recommend the right grade for your site. See ice baths.

Ice works to get started, but it melts fast in Thailand and gets expensive. A chiller holds a precise temperature day after day with no effort — it’s the easiest way to make cold therapy a daily habit rather than an occasional event.

Our chillers run from 0°C to 42°C, so the same unit chills in the hot season and heats in the cool one. Most people plunge between 3°C and 10°C. Beginners usually start around 12–15°C and work down over a few weeks.

Our chillers include filtration and ozone sanitation that keep the water fresh for weeks between changes. We walk you through simple water care at handover — it’s far less work than a pool.

Stainless steel tubs, timber-clad baths in cedar and thermo pine, acrylic plunge baths, barrel baths, and all-in-one baths with the chiller built in. Sizes run from single-person plunge tubs to larger baths for two or for commercial recovery rooms.

It comes down to how much water the bath holds and where it sits. Outdoors in the shade: the 1.0HP up to 600 litres, the 1.5HP up to 1,000 litres, the 2.0HP up to 1,400 litres. Indoors in an air-conditioned room: the 1.0HP up to 750 litres, the 1.5HP up to 1,200 litres, the 2.0HP up to 1,700 litres. In full sun, shade the bath and the chiller, or go one size up. Above 1,400 litres outdoors, talk to us and we will size it for you. Each ice bath page shows how much water it holds and offers only the chillers that suit it.

See all questions

Yes. Our brochures are on the site as downloads and we can email them to you. Because every sauna is made to order, the catalogue shows configurations and starting prices rather than a fixed range. Download the brochures.

The room dimensions, whether it is indoor or outdoor, how many people, and roughly where you are. If you have a floor plan, send that. From those four things we can quote accurately.

Yes, three ways. Come to the wellness garden and showroom in Ban Suan, Chonburi, ten minutes from Central Chonburi — there is a working sauna and ice baths you can use, by appointment. We hold finished samples of all four timbers. Or we will bring the samples to you: we travel anywhere in Thailand for a fee, and that fee comes off the price of your order when you buy. Book a consultation.

Yes. RonYen Wellness Co., Ltd is VAT registered and can issue full tax invoices. Ask us for the registration document if your accounts department needs it for approval.

See all questions

Still deciding? Talk to a specialist.

Get a straight answer on what suits your space, budget and the Thai climate — free and with no pressure.

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Talk to us before
you buy.

A sauna or ice bath is a long-term addition to your home or commercial space. Tell us about your project, your goals and your timeline — we’ll give you a straight answer, including what the right options are.

Free consultation. Phone call, video call, or visit our showroom in Ban Suan, Chonburi — Rön Yen Shop & Wellness Garden — by appointment. Tell us your space and budget, and we’ll talk through the options with no pressure to buy.

Ban Suan, Chonburi — 10 minutes from Central Chonburi

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