Barrel Saunas

Barrel Saunas

Classic Barrel Saunas — Flat-Pack Kit, DIY Assembly

Classic round barrel saunas delivered as flat-pack kits for easy assembly. Traditional design, efficient heating, and straightforward outdoor installation suited to homes, villas, and resorts. Professional installation available on request. Delivered across Thailand and shipped internationally.

  • Built for Thailand
  • Indoor & outdoor
  • Red Cedar / Thermo Pine / Hinoki
  • Free design and consultation
  • Free Thailand delivery
Browse barrel saunas Talk to us before you buy
Buying guide
Indoor or outdoor — which suits me?

Indoor saunas integrate with existing electrics and finish out as part of a bathroom or wellness room. Outdoor saunas need a flat, structurally sound base but free you from interior layout limits. We'll talk through the trade-offs on a free consultation.

Do saunas work in Thailand's humid climate?

Yes, with the right specification. We use timbers and treatments suited to humidity, ventilated cabinets, and heaters sized for the local ambient temperature. Imported Nordic kit often isn't spec'd for these conditions.

Which timber should I choose?

Western Red Cedar is warm, light and durable; Thermo Pine is denser and weatherproofed; Japanese Hinoki is the premium pick — pale, with a clean lemon aroma. Each model lists its timber options.

Do you install, or is it DIY?

Both. Saunas arrive flat-packed and most customers self-assemble in 1–2 days with two people and basic tools. Professional installation is available across Thailand and quoted separately.

How long does heat-up take?

A 9 kW stone heater reaches around 80°C in 35–45 minutes. Infrared panels are quicker — roughly 10–15 minutes to operating temperature.

Download the Saunas brochure

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Find a product:
Custom Barrel Sauna — 2 Person
ลดราคาพิเศษOn Special

Custom Barrel Sauna — 2 Person

  • Size: 1500 x 1800 x 2300mm
  • Material: Thermo Pine · Japanese Cedar
  • Power: 6kW
  • Capacity: 2 people seated
  • Temp: 70-110 degrees C
  • Availability: 8-12 weeks from deposit
  • Build: Hand made to order
฿136,458 จากFrom ฿122,812 ประหยัดSave 10% ฿13,646
Custom Barrel Sauna — 4 Person
ลดราคาพิเศษOn Special

Custom Barrel Sauna — 4 Person

  • Size: 2200 x 1800 x 2300mm
  • Material: Thermo Pine · Japanese Cedar
  • Power: 9kW
  • Capacity: 4 people seated
  • Temp: 70-110 degrees C
  • Availability: 8-12 weeks from deposit
  • Build: Hand made to order
฿153,216 จากFrom ฿137,894 ประหยัดSave 10% ฿15,322
Custom Barrel Sauna — 6 Person
ลดราคาพิเศษOn Special

Custom Barrel Sauna — 6 Person

  • Size: 3000 x 2000 x 2300mm
  • Material: Thermo Pine · Japanese Cedar
  • Power: 12kW
  • Capacity: 6 people seated
  • Temp: 70-110 degrees C
  • Availability: 8-12 weeks from deposit
  • Build: Hand made to order
฿180,348 จากFrom ฿162,313 ประหยัดSave 10% ฿18,035
Custom Barrel Sauna — 8 Person
ลดราคาพิเศษOn Special

Custom Barrel Sauna — 8 Person

  • Size: 4000 x 2200 x 2300mm
  • Material: Thermo Pine · Japanese Cedar
  • Power: 15kW
  • Capacity: 8 people seated
  • Temp: 70-110 degrees C
  • Availability: 8-12 weeks from deposit
  • Build: Hand made to order
฿217,588 จากFrom ฿195,829 ประหยัดSave 10% ฿21,759

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Common questions

Everything you want to know about saunas & heaters

Outdoor and indoor cabins, barrels, cylinders, cube and modern designs, plus sauna-and-shower combos — from a compact one-person unit up to fourteen-person commercial rooms. Every model is made to order and customisable to your space. Browse saunas.

Red Cedar and Finnish Thermo Pine both handle heat and humidity beautifully — cedar for its aroma and natural rot resistance, thermo pine for its stability in wet conditions. Japanese Hinoki is our premium pick. Canadian Hemlock is excellent value for indoor cabins. We’ll match the timber to your budget, look and location.

Outdoor saunas are fully weather-sealed for gardens, rooftops and pool decks. Indoor models are built for bathrooms, gyms and spare rooms. Both use the same indoor-rated electric stone heaters — the difference is the exterior cladding and weatherproofing.

It depends on the internal volume of the cabin. As a guide: 4.5kW for 3–6 m³, 6kW for 5–8 m³, 9kW for 8–11 m³, 12kW for 11–15 m³, 15kW for 13–18 m³ and 18kW for 15–20 m³. Above 20 m³ takes two heaters. Up to and including 9kW runs on single phase; above that is three phase only, which in practice means anything from a six-person cabin upwards. We confirm the exact requirement in your quote so your electrician knows precisely what to install.

Our saunas are made to order in China and Vietnam, in the same factories every time, to our own designs and specifications. We control the drawings, the timber grade and the quality standard on every order, and we have worked with these factories for years. Everything is then delivered and, if you would like, installed by our own team anywhere in Thailand. We would rather tell you that plainly than let you find out later.

Yes. Alongside traditional stone-heater saunas, we offer infrared cabins, which warm the body directly at a lower air temperature. They’re popular for smaller spaces and gentler sessions. We can talk you through which suits you in a free consultation.

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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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