Which heats better, a barrel sauna or a cube sauna?

A barrel sauna usually heats faster on the same heater, because its round shell holds less air than a box of the same width and length. Barrel makers such as Nootka also pitch the curve for circulation. A cube or cabin gives you a taller room with two-tier benches and better glass options, and the extra air can call for a slightly bigger heater.

Do outdoor saunas need a foundation and permits?

An outdoor sauna needs a level base that drains, and the 240V circuit for an electric heater almost always requires an electrical permit. Gravel pads and pavers are the norm, and large cabins may need a reinforced slab. Many jurisdictions treat a sauna like a shed and don't require a permit under a size threshold. Check locally before you order.

Wood-fired or electric?

Pick an electric sauna if you plan on 4–7 sessions a week, because it reaches temperature on a timer or from an app. A wood-fired sauna runs off-grid and needs no electrician, though you'll tend the fire for 45–60 minutes and you'll need a chimney.

Which outdoor saunas come with a changing room?

Among the barrels here, Almost Heaven's Shenandoah does. It splits a 7 by 10 foot barrel into a six-foot hot room for four and a four-foot changing room, for $7,455. Cabins and cubes offer one more often, since a square plan divides easily.

Department · 20 listings

Outdoor Saunas

A backyard sauna runs 80–100°C at the ceiling, with löyly steam rising off hot stones and a cold garden to step into afterward. A barrel's round shell holds less air than a box of the same size, so the same heater has less to warm. Cabins and cubes give up some of that efficiency for headroom and glass, and they leave more room to arrange the benches. Cedar and thermally modified woods survive weather without treatment, so saunas differ in how they're built, down to wall thickness, and in the heater they ship with.

Median start: $7,145
Cheapest: $4,176
Dearest: $14,340

List prices across 20 models, from the Sauna Price Index.

Nootka Saunas builds cedar barrels and a cube in British Columbia, and our Nootka buyer's guide prices each one.

Browse the catalogue· 20 listings

Nootka Saunas Outdoor Saunas

Nootka 8ft Barrel Sauna

Western Red CedarElectric240V Hardwired

$8,200–$10,574

Nootka Saunas Outdoor Saunas

Nootka 10ft Barrel Sauna

Western Red CedarWood-FiredElectric

$9,300–$11,674

Nootka Saunas Outdoor Saunas

Nootka Cube Sauna

Western Red CedarElectric240V Hardwired

$13,250–$14,340

Two people in white robes stepping into a cedar Nootka barrel sauna beside an outdoor shower in a green backyard

Feature ReviewJuly 2026

Nootka 8ft Barrel review: is the cedar barrel worth the premium?

Nootka's cedar barrel runs in hotel courtyards from Fairmont to Four Seasons. We checked what it's made of and what it costs all-in, then compared it with the cheaper kits.

“Most barrels arrive as a half-ton of flat-pack you assemble yourself. Around Vancouver, a Nootka builder brings the sauna in a pickup and puts it together in your yard.”

InsideFairmont, Westin and Four Seasons properties run Nootka barrels · Inch-and-a-half cedar holds the barrel's heat · Phone preheat costs $375 more on Nootka's heater

Read the article8 min

Redwood Outdoors Outdoor Saunas

Barrel Outdoor Sauna - 6 Person

ThermowoodHemlockElectric

$6,299

Fatal heart disease

−50%

In the Finnish KIHD cohort, men who used a sauna 4–7 times a week had half the fatal cardiovascular events of once-a-week bathers over about 21 years of follow-up.

The fix: Buy the sauna you'll step into on most days, because this result comes from men who bathed four to seven times a week.

JAMA Internal Medicine, 2015

Redwood Outdoors Outdoor Saunas

Cabin Outdoor Sauna - 4 Person

ThermowoodHemlockElectric

$7,299

From the screening room

Why Dr. Peter Attia Changed His Mind About Saunas | The Tim Ferriss Show

Dr. Peter Attia · Tim Ferriss

Longevity physician Peter Attia explains why he reversed his earlier skepticism about sauna after reviewing the cohort data. He cites the consistency and the size of the all-cause mortality benefit.

Redwood Outdoors Outdoor Saunas

Garden Outdoor Sauna - 8 Person

ThermowoodHemlockElectric

$8,699

Redwood Outdoors Outdoor Saunas

Duo Outdoor Sauna - 2 Person

ThermowoodHemlockElectric

$5,899

What helps

The Finnish protocol

The cohort studies behind sauna's headline numbers followed people who bathed in traditional hot rooms. We've listed the dose those studies describe, and each line cites its source.

Aim for 4–7 sessions a week, because that's the frequency band where fatal cardiovascular events dropped by half. JAMA Internal Medicine, 2015
Run the room at 80–100°C at head height and stay in for 15–20 minutes. Repeat for 2–3 rounds, cooling down between them. Mayo Clinic Proceedings, 2018
Rehydrate with 2–4 glasses of water after each session, and skip alcohol in the heat. The American Journal of Medicine, 2001

Electrician in hi-vis gear working on an electrical panel, seen from behind

Field NotesJuly 2026

What to sort out before you buy a backyard sauna, from permits to 240V wiring

Picking the sauna is the easy part. The pad it sits on and the permit it may need decide your timeline and total cost, and so does the 240V circuit that feeds it.

“The $600–$2,500 electrical circuit can cost more than years of running the sauna, so plan it before you place your order.”

InsideA sauna foundation has to be level and drain well · Permits and setbacks vary, so call the building department · Most heaters above 4.5 kW need a dedicated 240V circuit

Read the article9 min

Redwood Outdoors Outdoor Saunas

Vista Outdoor Sauna - 6 Person

ThermowoodHemlockElectric

$6,899

Dundalk LeisureCraft Outdoor Saunas

LeisureCraft Canadian Timber Harmony Barrel Sauna CTC22W

CedarWood-FiredElectric

$5,946

Dundalk LeisureCraft Outdoor Saunas

LeisureCraft Canadian Timber Georgian Cabin Sauna CTC88W

Wood-FiredElectric

$7,616

SaunaLife Outdoor Saunas

SaunaLife Model E8G Barrel Sauna with Glass Front

ThermowoodNordic SpruceWood-Fired

$6,990

SaunaLife Outdoor Saunas

SaunaLife CL5G Outdoor 4-Person Cube Sauna

ThermowoodNordic SpruceElectric

$5,990

Stroke risk

−61%

In 1,628 Finnish men and women followed for 15 years, sauna bathing 4–7 times a week was associated with a 61% lower stroke risk.

The fix: Plan your week around four or more sessions, because that's the group the stroke figure describes.

Neurology, 2018

Dundalk LeisureCraft Outdoor Saunas

LeisureCraft Canadian Timber Mini Pod Sauna CTC77MW

Wood-FiredElectric

$5,956

Almost Heaven Outdoor Saunas

Almost Heaven Salem 2-Person Barrel Sauna

Electric240V Hardwired

$4,176

Almost Heaven Outdoor Saunas

Almost Heaven Pinnacle 4-Person Barrel Sauna

Electric240V Hardwired

$5,303

Almost Heaven Outdoor Saunas

Almost Heaven Princeton 6-Person Barrel Sauna

Electric240V Hardwired

$6,252

Dundalk LeisureCraft Outdoor Saunas

LeisureCraft Canadian Timber Luna 2-4 Person Cube Sauna

Wood-FiredElectric

$7,392

Almost Heaven Outdoor Saunas

Almost Heaven Shenandoah 4-6 Person Barrel Sauna with Changing Room

CedarElectric240V Hardwired

$7,455

Golden Designs Outdoor Saunas

Golden Designs Gargellen 5-Person Hybrid Outdoor Sauna

HemlockElectric240V Hardwired

$7,999

Heavenly Heat Saunas Outdoor Saunas

Heavenly Heat 2-Person Outdoor Combination Sauna

HemlockFar-InfraredElectric

$12,600

The science

Why outdoor saunas? The science

The KIHD finding of 50% lower fatal cardiovascular disease at 4–7 sessions a week comes from traditional Finnish saunas like these. · JAMA Internal Medicine, 2015
Typical protocol heat in the studies was 80–100°C at head height with 10–20% humidity, and bathers reached it with hot stones and ladled water. · Mayo Clinic Proceedings, 2018
Sauna is well tolerated, and the medical literature names alcohol as the main risk factor in sauna-related incidents. · The American Journal of Medicine, 2001

Common questions

Which heats better, a barrel sauna or a cube sauna?: A barrel sauna usually heats faster on the same heater, because its round shell holds less air than a box of the same width and length. Barrel makers such as Nootka also pitch the curve for circulation. A cube or cabin gives you a taller room with two-tier benches and better glass options, and the extra air can call for a slightly bigger heater.
Do outdoor saunas need a foundation and permits?: An outdoor sauna needs a level base that drains, and the 240V circuit for an electric heater almost always requires an electrical permit. Gravel pads and pavers are the norm, and large cabins may need a reinforced slab. Many jurisdictions treat a sauna like a shed and don't require a permit under a size threshold. Check locally before you order.
Wood-fired or electric?: Pick an electric sauna if you plan on 4–7 sessions a week, because it reaches temperature on a timer or from an app. A wood-fired sauna runs off-grid and needs no electrician, though you'll tend the fire for 45–60 minutes and you'll need a chimney.
Which outdoor saunas come with a changing room?: Among the barrels here, Almost Heaven's Shenandoah does. It splits a 7 by 10 foot barrel into a six-foot hot room for four and a four-foot changing room, for $7,455. Cabins and cubes offer one more often, since a square plan divides easily. See what the Shenandoah costs to install.

Sources

The Monthly Dispatch

Get one issue a month by email.

Each issue covers new saunas and gear, along with session protocols and the heat-therapy research behind them. We'll only send you the issue, and you can unsubscribe at any time.

Outdoor Saunas

Every listing in Outdoor Saunas

Nootka 8ft Barrel Sauna

Nootka 10ft Barrel Sauna

Nootka Cube Sauna

Nootka 8ft Barrel review: is the cedar barrel worth the premium?

Barrel Outdoor Sauna - 6 Person

Cabin Outdoor Sauna - 4 Person

Garden Outdoor Sauna - 8 Person

Duo Outdoor Sauna - 2 Person

The Finnish protocol

What to sort out before you buy a backyard sauna, from permits to 240V wiring

Vista Outdoor Sauna - 6 Person

LeisureCraft Canadian Timber Harmony Barrel Sauna CTC22W

LeisureCraft Canadian Timber Georgian Cabin Sauna CTC88W

SaunaLife Model E8G Barrel Sauna with Glass Front

SaunaLife CL5G Outdoor 4-Person Cube Sauna

LeisureCraft Canadian Timber Mini Pod Sauna CTC77MW

Almost Heaven Salem 2-Person Barrel Sauna

Almost Heaven Pinnacle 4-Person Barrel Sauna

Almost Heaven Princeton 6-Person Barrel Sauna

LeisureCraft Canadian Timber Luna 2-4 Person Cube Sauna

Almost Heaven Shenandoah 4-6 Person Barrel Sauna with Changing Room

Golden Designs Gargellen 5-Person Hybrid Outdoor Sauna

Heavenly Heat 2-Person Outdoor Combination Sauna

Why outdoor saunas? The science

Common questions

Get one issue a month by email.