Ergo 150 Thermowood

Compact barrel in durable Thermowood

Prices from

£4,995 inc VAT
STEP 1 OF 1

Choose your sauna timber

Choose your timber colour

Natural

Walnut

Crimson

Obsidian

Mahogany

Arctic

Silver

Larch

Golden

Midnight

Olive

Cedar

Choose your roof shingles

Terracotta

Umber

Forest

Graphite

Onyx

Choose your sauna heater

Choose your add-ons

Product information

The classic barrel shape, sized for one or two. Ergo 150 brings a 205cm diameter barrel format to a compact 150cm length, solid Thermowood construction giving genuine thermal mass despite the modest footprint. The curved roof encourages even heat circulation throughout. A sensible entry point into barrel sauna ownership for smaller gardens that still want the authentic profile.

Heat Treated Thermowood

Heat Treated Thermowood

Built for Every Season

Built for Every Season

Everything You Need to Install

Everything You Need to Install

Designed for Fast Heat-Up

Designed for Fast Heat-Up

Specifications

  • Shape: Barrel
  • Accommodates: 2 People
  • Length: 150 cm
  • Diameter: 205 cm
  • Wall Thickness: Front 28mm / Sides 42mm
  • Material: Thermowood
  • Main Door: 160 x 59 cm
  • Weight: 550 kg
  • Package Size: 200 x 120 x 85 cm
  • Assembly: Self-assembly
  • Insulated: No
  • Design Note: Ergonomic benches and backrests; optional extra glazed end

Designed around your ritual

Full Moon Back Window

Full Moon Back Window

Bring the outdoors in. A full circular rear window fills the sauna with natural light and opens up wider scenic views.
Half Moon Back Window

Half Moon Back Window

Privacy meets natural light. A half-moon rear window creates a softer, brighter feel while keeping more enclosed wall space.
Full Glass Front Barrel

Full Glass Front Barrel

Turn every session outward. Full front glazing opens the barrel sauna to natural light and uninterrupted outdoor views.
Full Glass Front Cube

Full Glass Front Cube

Modern design, open views. Full-height front glazing creates a brighter, cleaner space with a sharper architectural finish.
LED Lighting Kits

LED Lighting Kits

Set the perfect mood. Integrated LED lighting creates warmth and atmosphere, transforming the sauna experience day or night
Bluetooth Speakers

Bluetooth Speakers

Soundtrack your downtime. Built-in Bluetooth speakers bring music, podcasts, and guided sessions straight into your sauna.
Quality Accessories

Quality Accessories

Complete the experience properly. Practical finishing touches that improve comfort, convenience, and the overall sauna ritual.
Premium Thermowood

Premium Thermowood

Built to age beautifully. Thermowood offers a richer finish, stronger durability, and better long-term performance.
A barrel sauna's curved profile isn't purely aesthetic; the rounded walls promote more even heat circulation throughout the cabin than a square-cornered alternative, where hot air can otherwise collect unevenly. For personal or couple use specifically, this means a more consistently warm experience throughout a session, supporting the core physiological benefits of sauna bathing: improved circulation, reduced muscle tension, and a cardiovascular effect comparable to light exercise.

For anyone new to sauna ownership, an affordable, appropriately sized entry point like this removes a real barrier to starting a regular habit. Committing to a large, expensive group-focused sauna before knowing how often it'll actually get used can feel like a significant risk, whereas a compact personal model lets a household build genuine consistency first, which research on habitual sauna users consistently identifies as the key factor driving long-term cardiovascular and wellbeing benefits.

The ergonomic bench design adds genuine comfort to that consistency, supporting a more relaxed, properly seated or reclined position rather than perching upright on a flat bench. Comfort during a session matters more than people often expect when it comes to whether they actually use a sauna regularly or let it become an occasional, underused feature, making thoughtful bench design a practical investment in long-term habit building, not just a nice-to-have detail.
Delivered flat packed for self-assembly, with free UK mainland delivery on qualifying orders. The compact barrel format and ergonomic benches keep this one of the simpler builds in the range, manageable over a weekend for most competent DIYers. Needs a solid, level base and clear access. Professional installation available as an upgrade; see our Self Assembly Guide.
Barrel saunas need straightforward, regular care to keep performing well for years. After every session, leave the door open for twenty to thirty minutes to let the heat room dry out fully, the most effective habit for preventing mould and dark staining on timber surfaces. Wipe down the ergonomic benches once cooled, since sweat left to dry on the wood will leave a residue over time.

Give the interior a light sand once or twice a year wherever the ergonomic benches and backrests see the most contact. Leave the timber interior unsealed, since sauna wood needs to breathe and absorb moisture during use rather than sit under a coating that would trap it.

Externally, the curved Thermowood exterior needs a wood treatment reapplied every two to three years depending on weather exposure, with the curved surface actually shedding rainwater slightly more effectively than a flat-walled cabin. Check the door seal periodically, and keep the area around the base clear of leaves and standing water, since pooling moisture against the lowest timber courses remains the most common cause of long-term damage on any outdoor sauna regardless of shape.
This sauna comes with a 5 year warranty for residential use and 2 years for commercial use, covering structural timber, glazing, and hardware. Valid claims are assessed case by case, and we'll supply replacement parts wherever possible rather than the whole sauna.
Production takes 10-12 weeks, plus 1-2 weeks dispatch time for pallet haulage. This sauna is delivered flat packed unless otherwise stated. Free UK mainland shipping applies to orders over £500 covering up to one double pallet (2.4m x 1.2m x 2.2m) or two single pallets (1.2m x 1.2m x 2.2m). If your order exceeds this due to length, weight, or quantity, additional pallet charges may apply and are quoted separately based on postcode. Please have a solid base, clear access, and suitable unloading space ready before delivery, with help on site if needed. Pallet deliveries are kerbside only, and you're responsible for moving goods onto your property.
Health Benefits
Assembly & Installation
Delivered flat packed for self-assembly, with free UK mainland delivery on qualifying orders. The compact barrel format and ergonomic benches keep this one of the simpler builds in the range, manageable over a weekend for most competent DIYers. Needs a solid, level base and clear access. Professional installation available as an upgrade; see our Self Assembly Guide.
Cleaning & Care
Barrel saunas need straightforward, regular care to keep performing well for years. After every session, leave the door open for twenty to thirty minutes to let the heat room dry out fully, the most effective habit for preventing mould and dark staining on timber surfaces. Wipe down the ergonomic benches once cooled, since sweat left to dry on the wood will leave a residue over time.

Give the interior a light sand once or twice a year wherever the ergonomic benches and backrests see the most contact. Leave the timber interior unsealed, since sauna wood needs to breathe and absorb moisture during use rather than sit under a coating that would trap it.

Externally, the curved Thermowood exterior needs a wood treatment reapplied every two to three years depending on weather exposure, with the curved surface actually shedding rainwater slightly more effectively than a flat-walled cabin. Check the door seal periodically, and keep the area around the base clear of leaves and standing water, since pooling moisture against the lowest timber courses remains the most common cause of long-term damage on any outdoor sauna regardless of shape.
Warranty
This sauna comes with a 5 year warranty for residential use and 2 years for commercial use, covering structural timber, glazing, and hardware. Valid claims are assessed case by case, and we'll supply replacement parts wherever possible rather than the whole sauna.
Delivery
Production takes 10-12 weeks, plus 1-2 weeks dispatch time for pallet haulage. This sauna is delivered flat packed unless otherwise stated. Free UK mainland shipping applies to orders over £500 covering up to one double pallet (2.4m x 1.2m x 2.2m) or two single pallets (1.2m x 1.2m x 2.2m). If your order exceeds this due to length, weight, or quantity, additional pallet charges may apply and are quoted separately based on postcode. Please have a solid base, clear access, and suitable unloading space ready before delivery, with help on site if needed. Pallet deliveries are kerbside only, and you're responsible for moving goods onto your property.

An affordable entry into barrel saunas

Ergo 150 brings the classic barrel sauna format to a compact 150 centimetre length with a 205 centimetre diameter, solid Thermowood construction giving the curved structure genuine thermal mass despite its relatively modest overall footprint. The barrel shape is one of the most traditional and recognisable outdoor sauna formats, the curved roof naturally encouraging heat to circulate evenly throughout the interior space.

At this length, Ergo 150 suits personal or couple use rather than larger group sessions, a sensible entry point into barrel sauna ownership for anyone drawn to the format who does not need the largest available size. The 205 centimetre diameter remains consistent with several other models in the Ergo and standard sauna ranges, meaning the proportions feel familiar and properly balanced rather than unusually cramped for the format.

Ergo 150 suits anyone wanting a genuine barrel sauna experience without committing to a longer structure, the kind of size that fits efficiently into a smaller garden while still delivering the authentic curved profile and even heat distribution that makes barrel saunas such an enduringly popular outdoor sauna format. Many owners find this compact size gets used just as often as a larger sauna would, simply because it is always there and ready.
Free Mainland UK Delivery Weather Resistant Thermowood Consistent Warmth Year Warranty Year-Round Use Heats Up Fast
Free Mainland UK Delivery Weather Resistant Thermowood Consistent Warmth Year Warranty Year-Round Use Heats Up Fast
Free Mainland UK Delivery Weather Resistant Thermowood Consistent Warmth Year Warranty Year-Round Use Heats Up Fast
Close

An affordable, genuine entry into barrel saunas

An affordable, genuine entry into barrel sauna ownership. Ergonomic benches and authentic curved heat distribution, sized for personal or couple use without a large garden footprint.

Compact, properly built, genuinely comfortable

Compact, properly built, and genuinely comfortable. The curved barrel profile promotes even heat throughout, with purpose-shaped benches built for two, in solid Thermowood construction.

The sensible starting point for new owners

For households new to barrel saunas, this is the sensible starting point. Authentic curved design, ergonomic seating, and a footprint that suits smaller gardens without compromise.

A real sauna at a manageable size

A real barrel sauna at a manageable size and price. Solid Thermowood, ergonomic benches, and an optional glazed end, built for personal use rather than group sessions.

What our customers say

Don't just take our word for it

"The Cascina feels solid and well made. The aluminium frame has a clean finish, the roof panels sit neatly, and the whole structure gives the garden a much more complete look."

Aluminium Veranda | The Cascina | Modular Interlinkable | Multiple Roof & Post Styles

Olivia

The Cascina

"The Nobile has a really premium feel. The frame colour looks sharp, the materials feel durable, and the finished veranda has a clean modern appearance."

Aluminium Veranda | The Nobile | Wide Span Up To 7m | Extra-Large Gutter | Polycarbonate or Glass Roof

James

Nobile

"The Cascina suits the house perfectly. What stood out most was the sturdy frame, neat roof finish and how well the design works with the garden."

Aluminium Veranda | The Cascina | Modular Interlinkable | Multiple Roof & Post Styles

Charlotte

The Cascina

"The Fiano Glass Doors feel smooth, sturdy and well finished. They keep the space bright and open while adding extra comfort when the weather turns cooler."

Frameless Glass Sliding Doors | Fiano Glass Sliding Doors | 10mm Glass | Up To 7 Tracks | Veranda Garden Room Conversion

Henry

Fiano Glass Doors

Build your compact sauna

1

Choose the sauna size, layout and feel that suits your garden and routine.

2

Place your order and we confirm the key details before preparing your sauna.

3

Get ready for delivery, installation and proper heat sessions at home.

CREATE MY GARDEN SAUNA

Frequently Asked Questions

The curved profile promotes even heat distribution throughout the cabin, since hot air circulates naturally around the rounded walls rather than collecting unevenly in corners.

Yes, this compact size is built specifically for personal or couple use, giving genuine comfort for two without the footprint of a larger group-focused barrel sauna.

Purpose-shaped benches and backrests designed for comfortable seated or reclined use, a defining feature across the Ergo barrel sauna range.

Yes, a glazed end is available as an optional extra on this model, bringing natural light into the heat room if you'd prefer that over the standard solid timber end.

With a 205cm diameter and 150cm length, this is one of the more compact barrel sauna options, suiting smaller gardens without requiring extensive ground preparation.

5-Year Guarantee

5-Year Guarantee

Built for years of wellness and relaxation

Free UK Mainland Delivery

Free UK Mainland Delivery

Free delivery throughout England, Wales, and Scotland.

Expert Help, When You Need It

Expert Help, When You Need It

Friendly specialist support before and after your purchase. Schedule a virtual appointment.

Become a ROMA VIP

Sign up free for early sale access and member-only discounts.

By subscribing, you agree to our Terms & Privacy Policy and consent to marketing emails.