{"title":"Indoor Traditional Saunas","description":"\u003ch2\u003eIndoor Traditional Saunas — Real Finnish, UK Homes\u003c\/h2\u003e\n\u003cp\u003eA real Finnish sauna: dry heat from heated stones, water thrown on for löyly (the burst of steam that defines Finnish bathing). Cabin temperatures reach 80–90°C, warm-up takes around 30–45 minutes, and run cost is typically \u003cstrong\u003e£1.75–£2.25 per 90-minute session\u003c\/strong\u003e on a 6kW Harvia heater at 30p\/kWh.\u003c\/p\u003e\n\u003cp\u003eThe range below is built for indoor placement — UK homes with the space to dedicate a basement, utility, or annexe to proper sauna use.\u003c\/p\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia electric stone heaters\u003c\/strong\u003e — the named gold standard in every UK sauna review\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabin walls 40–50mm\u003c\/strong\u003e — proper thermal mass for heat retention\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTempered glass door + interior bench layout\u003c\/strong\u003e built for daily use, not weekend novelty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSite prep notes\u003c\/h3\u003e\n\u003cp\u003eMost 6kW–9kW heaters need a dedicated 32A single-phase or 16A 3-phase supply — a qualified electrician must connect before first use. We've written a \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003eUK sauna buying guide\u003c\/a\u003e covering the heater + electrical decisions in full.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWant infrared (lower temperature, plug-in 13A)? See \u003ca href=\"\/collections\/indoor-infrared-saunas\"\u003eIndoor Infrared Saunas\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"fonteyn-salo-indoor-sauna-crystal-culture-stone","title":"Salo Indoor Sauna (Crystal Culture Stone) – 2 Person","description":"\u003ch2\u003eSalo Indoor Traditional Sauna — 2 Person, Crystal Culture Stone\u003c\/h2\u003e\n\u003cp\u003eThe Salo is a real Finnish indoor sauna designed for couples and singles who want the proper bathing experience — dry heat from heated stones, water thrown on for löyly, the burst of steam that defines traditional sauna. No infrared shortcuts, no electric panel imitations.\u003c\/p\u003e\n\u003cp\u003eThe Crystal Culture Stone exterior gives the cabin a modern, finished look that sits well in basements, utility rooms, garden offices, and indoor wellness spaces. Two-person interior layout fits couples comfortably or gives a solo user room to stretch out and recline.\u003c\/p\u003e\n\n\u003ch3\u003eRunning cost + warm-up (the question buyers ask first)\u003c\/h3\u003e\n\u003cp\u003eSalo is built around a 6kW traditional electric stove. Run cost at 30p\/kWh is typically \u003cstrong\u003e£1.75–£2.25 per 90-minute session\u003c\/strong\u003e — not the \"very expensive\" cost people assume before doing the math. Warm-up takes around \u003cstrong\u003e30–45 minutes\u003c\/strong\u003e from cold to working temperature (80–90°C).\u003c\/p\u003e\n\n\u003ch3\u003eWhy \"real Finnish\" matters\u003c\/h3\u003e\n\u003cp\u003eIf you've used infrared and felt underwhelmed, you're not alone — many UK buyers who try infrared first end up moving to traditional within a year. The difference: infrared warms your skin and body tissue directly without raising air temperature much. Traditional saunas heat the air to 80–90°C and let you throw water on the stones (löyly) for short bursts of intense humid heat. The result is the deep sweat, the muscle relaxation, the breathing pattern — none of which infrared replicates.\u003c\/p\u003e\n\n\u003ch3\u003eBuild + finish\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExterior:\u003c\/strong\u003e Crystal Culture Stone finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterior:\u003c\/strong\u003e Cabin walls with aspen-style benching\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Traditional electric stove with stone basket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor:\u003c\/strong\u003e Tempered glass door\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Interior lighting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Indoor only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eCabin, door, interior benches, traditional stove with stone basket, sauna ventilation valve, instructions, comes with UK warranty.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; site preparation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard delivery:\u003c\/strong\u003e Free standard UK delivery is included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSite:\u003c\/strong\u003e Indoor saunas need a level floor with clear access route from front door to final placement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 6kW heater on a dedicated 32A single-phase supply, fitted by a qualified electrician.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Sauna ventilation valve included; ambient room ventilation still needs consideration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 2 person\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Indoor only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater type:\u003c\/strong\u003e Traditional electric stone heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Comes with UK warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 454067\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e💡 Not sure if this is the right sauna for you? Read our \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003ecomplete UK Sauna Buying Guide\u003c\/a\u003e — wood-fired vs electric vs infrared, indoor vs outdoor, real running costs, install requirements, and what to avoid. Written by founder Sarb Gill.\u003c\/p\u003e\n\u003cp\u003eChoosing between heating types? See our \u003ca href=\"\/blogs\/news\/infrared-vs-traditional-sauna-which-is-right-for-your-home\"\u003eInfrared vs Traditional Sauna comparison\u003c\/a\u003e — pros, cons, energy use, and which suits which household.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eLooking for outdoor instead? See \u003ca href=\"\/collections\/outdoor-cabin-saunas\"\u003eOutdoor Cabin Saunas\u003c\/a\u003e. Want infrared (plug-and-play 13A, lower temperature)? See \u003ca href=\"\/collections\/indoor-infrared-saunas\"\u003eIndoor Infrared Saunas\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fonteyn","offers":[{"title":"Default Title","offer_id":57391304835459,"sku":"454067","price":5199.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/87728-02.jpg?v=1776017046"},{"product_id":"hekla-indoor-traditional-160-sauna","title":"Hekla Indoor Traditional 160 Sauna","description":"\u003cp\u003eThe Hekla Indoor Sauna is a spacious and stylish addition to any private wellness area, designed to deliver a luxurious and relaxing sauna experience. Its thoughtfully crafted dimensions make it an ideal choice for those seeking a premium retreat within the comfort of their own home. This sauna combines elegance with functionality, offering a perfect balance of form and purpose for wellness enthusiasts.\u003c\/p\u003e\n\u003cp\u003eCrafted with high-quality materials, the sauna features a sleek black veneer exterior that lends a modern and sophisticated look. Inside, the walls are lined with 48 mm thermo-aspen, prized for its superior heat retention and smooth, pleasant feel. The built-in floor grid, topped with a vinyl surface, enhances comfort and stability, while the 8 mm gray safety glass ensures durability and safety, making every session both secure and enjoyable.\u003c\/p\u003e\n\u003cp\u003eEquipped with advanced features, the Hekla Indoor Sauna elevates the experience to new heights. A Bluetooth sound system allows you to play your favorite music or calming sounds, creating the perfect ambiance. Chromotherapy LED lights provide the benefits of color therapy, helping to reduce stress and boost your mood. Additionally, the sauna’s ventilation system ensures optimal air circulation, maintaining a fresh and healthy environment throughout your session. This sauna is a must-have for anyone who cherishes comfort and style in their personal wellness space.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e120 D x 160 W x 210 H cm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e6.8kw or 9kw Harvia Electric Heater\u003c\/span\u003e  – Prices from \u003cspan\u003e£649.00\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease note:\u003c\/span\u003e Electric heaters require a 32 or 40 amp supply.\u003c\/p\u003e\u003cdiv style=\"background:#eef4f9;border-left:4px solid #2d5a8a;padding:18px 22px;margin:32px 0 0 0;border-radius:4px;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;font-weight:bold;font-size:1.1em;color:#1e3d5a;\"\u003e💡 Not sure if this is the right sauna for you?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003eRead our complete \u003ca href=\"https:\/\/www.steamandoak.co.uk\/blogs\/news\/uk-sauna-buying-guide\" style=\"color:#2d5a8a;font-weight:bold;text-decoration:underline;\"\u003eUK Sauna Buying Guide →\u003c\/a\u003e for an honest comparison: wood-fired vs electric vs infrared, indoor vs outdoor, real running costs, install requirements, and what to avoid. Written by founder Sarb Gill (BSc Biology).\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoosing between heating types? See our \u003ca href=\"https:\/\/www.steamandoak.co.uk\/blogs\/news\/infrared-vs-traditional-sauna-which-is-right-for-your-home\" style=\"color:#2d5a8a;font-weight:bold;text-decoration:underline;\"\u003eInfrared vs Traditional Sauna comparison →\u003c\/a\u003e — pros, cons, energy use, and which suits which kind of household.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hekla","offers":[{"title":"Default Title","offer_id":57957566939523,"sku":null,"price":4499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/Traditional-160.jpg?v=1777715902"},{"product_id":"hekla-indoor-traditional-210-sauna","title":"Hekla Indoor Traditional 210 Sauna — 3-4 Person Indoor Sauna","description":"\u003ch2\u003eHekla Indoor Traditional 210 — Real Finnish Sauna, 3-4 Person\u003c\/h2\u003e\n\u003cp\u003eThe Hekla Traditional 210 brings proper Finnish sauna bathing into the home — heated stones, water thrown on for löyly, that burst of steam that turns a hot room into a real sauna experience. Built by Hekla (UK manufacturer, Chesterfield) with 48mm thermo aspen wood walls, 8mm grey safety glass door, and a Harvia \"The Wall\" 6kW electric heater included.\u003c\/p\u003e\n\u003cp\u003eSized for 3-4 people. Fits the dedicated wellness room, basement conversion, garden office annex — anywhere with the floor space and the dedicated 25-amp electrical supply.\u003c\/p\u003e\n\n\u003ch3\u003eRunning cost + warm-up (the question buyers ask first)\u003c\/h3\u003e\n\u003cp\u003eThe Harvia 6kW heater pulls about 6 kWh peak. Run cost at 30p\/kWh is typically \u003cstrong\u003e£1.75–£2.25 per 90-minute session\u003c\/strong\u003e. Warm-up from cold to working temperature (80–90°C) takes around \u003cstrong\u003e30–45 minutes\u003c\/strong\u003e. Once you're up to temperature, throwing water on the stones (löyly) drops a brief humid pulse that's the whole point of traditional bathing — no infrared shortcut comes close.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes Hekla Traditional different\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e48mm thermo aspen wood walls\u003c\/strong\u003e — aspen has the lowest thermal conductivity of any common sauna wood, so the benches don't burn when you sit on them. Thermo treatment (heat-treated, chemical-free) makes the wood more stable and weather-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8mm grey safety glass\u003c\/strong\u003e on the door and window — proper safety spec, tempered for thermal shock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia \"The Wall\" 6kW heater with Xenio digital control\u003c\/strong\u003e — Harvia is the named gold standard in every Finnish sauna review. Stones included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChromotherapy LED lights\u003c\/strong\u003e + \u003cstrong\u003ebluetooth sound system\u003c\/strong\u003e built in — set the colour, set the music, no extra wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in non-slip vinyl floor grid\u003c\/strong\u003e — safer than wooden duckboards, easier to clean.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoice of two finishes\u003c\/strong\u003e — Nero (dark, modern) or Scandi (lighter wood tone, classic).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy \"real Finnish\" matters\u003c\/h3\u003e\n\u003cp\u003eIf you've used infrared and felt like something was missing, you're not alone. Infrared cabins warm your skin and body tissue directly without raising the air temperature much. Traditional saunas heat the room to 80–90°C and let you throw water on the stones for short bursts of intense humid heat. The deep sweat, the muscle relaxation, the breathing pattern — none of which infrared can replicate. The Hekla Traditional is built for the proper sauna ritual.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eCabin (48mm thermo aspen), 8mm grey safety glass door + window, Harvia \"The Wall\" 6kW electric heater, Harvia stones, Xenio digital control unit, chromotherapy LED lights, bluetooth audio, ventilation valve, non-slip vinyl floor grid, instructions. Comes with UK warranty.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; site preparation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard delivery:\u003c\/strong\u003e Free standard UK delivery is included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSite:\u003c\/strong\u003e Indoor saunas need a level floor with a clear access route from your front door to the final placement room. Internal door widths typically need 800mm+ clearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e The Harvia 6kW heater needs a dedicated \u003cstrong\u003e25-amp single-phase circuit\u003c\/strong\u003e connected by a qualified electrician before first use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Sauna ventilation valve included; ambient room ventilation (extractor or trickle vent) still needs consideration to clear humidity after sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Cabin assembly available — typically a half-day job for a 2-person team. Installation pricing varies by location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 3-4 person\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Indoor only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e 2,100 × 1,600 × 2,100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSauna volume:\u003c\/strong\u003e 7 m³\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 48mm thermo aspen wood\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor + window:\u003c\/strong\u003e 8mm grey safety glass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Harvia \"The Wall\" 6kW electric, Xenio control, stones included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 25A dedicated single-phase circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Chromotherapy LED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Built-in bluetooth sound system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour options:\u003c\/strong\u003e Nero or Scandi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Comes with UK warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hekla (Superior Wellness, UK)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e💡 Not sure if this is the right sauna for you? Read our \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003ecomplete UK Sauna Buying Guide\u003c\/a\u003e — wood-fired vs electric vs infrared, indoor vs outdoor, real running costs, install requirements, and what to avoid. Written by founder Sarb Gill.\u003c\/p\u003e\n\u003cp\u003eChoosing between heating types? See our \u003ca href=\"\/blogs\/news\/infrared-vs-traditional-sauna-which-is-right-for-your-home\"\u003eInfrared vs Traditional Sauna comparison\u003c\/a\u003e — pros, cons, energy use, and which suits which household.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eWant a smaller indoor traditional? See \u003ca href=\"\/products\/hekla-indoor-traditional-160-sauna\"\u003eHekla Indoor Traditional 160\u003c\/a\u003e (2-3 person). Want a larger one? See the \u003ca href=\"\/products\/hekla-indoor-traditional-210x-sauna\"\u003e210X\u003c\/a\u003e (4-5 person) or \u003ca href=\"\/products\/hekla-indoor-traditional-220-sauna\"\u003e220\u003c\/a\u003e (6 person). Looking for infrared instead? See \u003ca href=\"\/collections\/indoor-infrared-saunas\"\u003eIndoor Infrared Saunas\u003c\/a\u003e. Want outdoor? See \u003ca href=\"\/collections\/outdoor-barrel-saunas\"\u003eOutdoor Barrel\u003c\/a\u003e or \u003ca href=\"\/collections\/outdoor-cube-saunas\"\u003eOutdoor Cube Saunas\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Hekla","offers":[{"title":"Default Title","offer_id":58162571215235,"sku":null,"price":4499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/Hekla-210X160-2-Nero-Cutout-CMYK-1_d95ece99-fabc-4a87-8629-24d538ad1dba.webp?v=1780307704"},{"product_id":"hekla-indoor-traditional-210x-sauna","title":"Hekla Indoor Traditional 210X Sauna — 4-5 Person Indoor Sauna","description":"\u003ch2\u003eHekla Indoor Traditional 210X — Real Finnish Sauna, 4-5 Person\u003c\/h2\u003e\n\u003cp\u003eThe 210X is the wider sibling of the Traditional 210 — same height and width but 40cm deeper, opening up the floor plan for 4-5 people instead of 3-4. The extra room makes a real difference for shared sessions: more bench length, more stretching space, easier to lie down. Same Hekla build quality, same UK manufacturer, same proper Finnish sauna ritual — just sized for family use.\u003c\/p\u003e\n\u003cp\u003eBuilt around a Harvia \"The Wall\" 9kW heater with stones included — the bigger heater needed for the larger volume — and 48mm thermo aspen walls that give Hekla its quality signature.\u003c\/p\u003e\n\n\u003ch3\u003eRunning cost + warm-up\u003c\/h3\u003e\n\u003cp\u003eThe Harvia 9kW heater pulls about 9 kWh peak — bigger sauna, bigger heater. Run cost at 30p\/kWh is typically \u003cstrong\u003e£2.50–£3.25 per 90-minute session\u003c\/strong\u003e. Warm-up from cold to working temperature (80–90°C) takes around \u003cstrong\u003e30–40 minutes\u003c\/strong\u003e. Once warmed, the larger 8.8m³ volume holds heat for longer between löyly throws — practical for sessions with more people getting in and out.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the 210X over the 210\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40cm deeper interior\u003c\/strong\u003e — 2,000mm vs 1,600mm. That's enough for a proper full-length recline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-5 person capacity\u003c\/strong\u003e — fits couples + kids, or four adults for shared sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia 9kW heater\u003c\/strong\u003e instead of 6kW — heat recovery between sessions is faster, important for multi-person use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40-amp electrical supply\u003c\/strong\u003e — slightly more demanding than the 25-amp 210, but standard for sauna sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Hekla Traditional different\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e48mm thermo aspen wood walls\u003c\/strong\u003e — aspen has the lowest thermal conductivity of any common sauna wood, so benches stay comfortable even at 90°C. Thermo treatment (heat + steam, no chemicals) stabilises the wood and makes it more durable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8mm grey safety glass\u003c\/strong\u003e on the door and window — proper safety spec, tempered for thermal shock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia \"The Wall\" 9kW heater with Xenio digital control\u003c\/strong\u003e — Harvia is the named gold standard in every Finnish sauna review. Stones included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChromotherapy LED lights\u003c\/strong\u003e + \u003cstrong\u003ebluetooth sound system\u003c\/strong\u003e built in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in non-slip vinyl floor grid\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoice of two finishes\u003c\/strong\u003e — Nero (dark, modern) or Scandi (lighter wood tone).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eCabin (48mm thermo aspen), 8mm grey safety glass door + window, Harvia \"The Wall\" 9kW electric heater, Harvia stones, Xenio digital control unit, chromotherapy LED lights, bluetooth audio, ventilation valve, non-slip vinyl floor grid, instructions. Comes with UK warranty.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; site preparation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard delivery:\u003c\/strong\u003e Free standard UK delivery is included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSite:\u003c\/strong\u003e Indoor saunas need a level floor with clear access from front door to final placement room. The 210X needs more floor space than the 210 — measure 2,100 × 2,000mm plus working clearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e The Harvia 9kW heater needs a dedicated \u003cstrong\u003e40-amp single-phase circuit\u003c\/strong\u003e connected by a qualified electrician before first use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Sauna ventilation valve included; ambient room ventilation (extractor) needs consideration for humidity management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Cabin assembly available — typically a full day for a 2-person team.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 4-5 person\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Indoor only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e 2,100 × 2,000 × 2,100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSauna volume:\u003c\/strong\u003e 8.8 m³\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 48mm thermo aspen wood\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor + window:\u003c\/strong\u003e 8mm grey safety glass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Harvia \"The Wall\" 9kW electric, Xenio control, stones included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 40A dedicated single-phase circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Chromotherapy LED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Built-in bluetooth sound system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour options:\u003c\/strong\u003e Nero or Scandi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Comes with UK warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hekla (Superior Wellness, UK)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e💡 \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003eUK Sauna Buying Guide\u003c\/a\u003e | \u003ca href=\"\/blogs\/news\/infrared-vs-traditional-sauna-which-is-right-for-your-home\"\u003eInfrared vs Traditional comparison\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eWant a smaller indoor traditional? See the \u003ca href=\"\/products\/hekla-indoor-traditional-210-sauna\"\u003e210\u003c\/a\u003e (3-4 person). Want a larger one? See the \u003ca href=\"\/products\/hekla-indoor-traditional-220-sauna\"\u003e220\u003c\/a\u003e (6 person). Outdoor instead? See \u003ca href=\"\/collections\/outdoor-barrel-saunas\"\u003eOutdoor Barrel\u003c\/a\u003e or \u003ca href=\"\/collections\/outdoor-cube-saunas\"\u003eOutdoor Cube Saunas\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Hekla","offers":[{"title":"Default Title","offer_id":58162583142787,"sku":null,"price":4999.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/210x200-copy.webp?v=1780307546"},{"product_id":"hekla-indoor-traditional-220-sauna","title":"Hekla Indoor Traditional 220 Sauna — 6 Person Indoor Sauna","description":"\u003ch2\u003eHekla Indoor Traditional 220 — Real Finnish Sauna, 6 Person\u003c\/h2\u003e\n\u003cp\u003eThe 220 is the largest in the Hekla Indoor Traditional range — sized for six people, built for the family wellness room, the basement build-out, the garden annex that doubles as a small wellness suite. Same UK-manufactured Hekla quality (48mm thermo aspen walls, 8mm grey safety glass, Harvia heater + stones included), scaled up to a full-capacity cabin.\u003c\/p\u003e\n\u003cp\u003eThis is the proper investment-grade indoor sauna for households who want sauna bathing to be a shared, weekly thing — not a solo retreat. Plan the install carefully; once it's in, this is a 15-year-plus piece of household infrastructure.\u003c\/p\u003e\n\n\u003ch3\u003eRunning cost + warm-up\u003c\/h3\u003e\n\u003cp\u003eThe Harvia 9kW heater on the larger 220 volume pulls about 9 kWh peak. Run cost at 30p\/kWh is typically \u003cstrong\u003e£2.75–£3.50 per 90-minute session\u003c\/strong\u003e. Warm-up from cold to working temperature (80–90°C) takes around \u003cstrong\u003e40 minutes\u003c\/strong\u003e. The larger volume means heat retention between löyly throws is generous — practical when six people are getting in and out.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the 220 over the 210X\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWider footprint (2,200mm vs 2,100mm)\u003c\/strong\u003e + \u003cstrong\u003edeeper interior (2,100mm vs 2,000mm)\u003c\/strong\u003e — the 220 is a proper 6-person room, not a stretched 4-person.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBench layout supports L-shaped or facing-bench configuration\u003c\/strong\u003e — better for shared conversation than the linear bench of smaller models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarger heat reservoir\u003c\/strong\u003e — six people opening and closing the door doesn't drop the room temperature as quickly as a smaller cabin would.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Hekla Traditional different\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e48mm thermo aspen wood walls\u003c\/strong\u003e — aspen has the lowest thermal conductivity of any common sauna wood. The benches stay comfortable to sit on even at 90°C. Thermo treatment makes the wood dimensionally stable and resistant to warping over years of heat cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8mm grey safety glass\u003c\/strong\u003e on the door and window — proper safety spec, tempered for thermal shock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia 9kW heater with Xenio digital control\u003c\/strong\u003e — Harvia is the gold standard in every UK Finnish sauna review. Stones included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChromotherapy LED lights\u003c\/strong\u003e + \u003cstrong\u003ebluetooth sound system\u003c\/strong\u003e built in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in non-slip vinyl floor grid\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoice of two finishes\u003c\/strong\u003e — Nero (dark, modern) or Scandi (lighter wood tone).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eCabin (48mm thermo aspen), 8mm grey safety glass door + window, Harvia 9kW electric heater, Harvia stones, Xenio digital control unit, chromotherapy LED lights, bluetooth audio, ventilation valve, non-slip vinyl floor grid, instructions. Comes with UK warranty.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; site preparation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard delivery:\u003c\/strong\u003e Free standard UK delivery is included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSite:\u003c\/strong\u003e Indoor saunas need a level floor with clear access from front door to final placement. The 220 needs proper floor space — measure 2,200 × 2,100mm plus working clearance for assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e The Harvia 9kW heater needs a dedicated \u003cstrong\u003e40-amp single-phase circuit\u003c\/strong\u003e connected by a qualified electrician before first use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Sauna ventilation valve included; ambient room ventilation strongly recommended given the larger humidity output of a 6-person cabin.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Cabin assembly available — typically a full day for a 2-person team given the larger panel sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 6 person\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Indoor only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e 2,200 × 2,100 × 2,100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSauna volume:\u003c\/strong\u003e ~10 m³\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 48mm thermo aspen wood\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor + window:\u003c\/strong\u003e 8mm grey safety glass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Harvia 9kW electric, Xenio control, stones included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 40A dedicated single-phase circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Chromotherapy LED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Built-in bluetooth sound system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour options:\u003c\/strong\u003e Nero or Scandi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Comes with UK warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hekla (Superior Wellness, UK)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e💡 \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003eUK Sauna Buying Guide\u003c\/a\u003e | \u003ca href=\"\/blogs\/news\/infrared-vs-traditional-sauna-which-is-right-for-your-home\"\u003eInfrared vs Traditional comparison\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eWant a smaller indoor traditional? See the \u003ca href=\"\/products\/hekla-indoor-traditional-210-sauna\"\u003e210\u003c\/a\u003e (3-4 person) or \u003ca href=\"\/products\/hekla-indoor-traditional-210x-sauna\"\u003e210X\u003c\/a\u003e (4-5 person). Looking for outdoor instead? See \u003ca href=\"\/collections\/outdoor-barrel-saunas\"\u003eOutdoor Barrel\u003c\/a\u003e or \u003ca href=\"\/collections\/outdoor-cube-saunas\"\u003eOutdoor Cube Saunas\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Hekla","offers":[{"title":"Default Title","offer_id":58162591400323,"sku":null,"price":6499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/Hekla-220X210-Nero-Cutout-CMYK.webp?v=1780307645"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/collections\/14091_Traditional-HeklaSauna_2200x2000x2000_01-150x150.jpg?v=1777716520","url":"https:\/\/www.steamandoak.co.uk\/collections\/indoor-traditional-saunas.oembed","provider":"Steam\u0026Oak","version":"1.0","type":"link"}