{"product_id":"huum-hive-heat-ls-12kw-sauna-stove-with-firebox-extension-sauna-stones-h1012012-sak85317","title":"HIVE HEAT | 12 kW Wood-Burning Sauna Stove | By Huum","description":"\u003cstyle\u003e\n.fw-wrap{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,sans-serif;max-width:820px;margin:0 auto;padding:1.5rem 0;color:#ffffff}\n.fw-sku{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#c8a254;margin:0 0 8px;font-weight:600}\n.fw-tagline{font-size:16px;font-weight:700;color:#ffffff;line-height:1.5;margin:0 0 12px;text-transform:uppercase;letter-spacing:.02em}\n.fw-intro{font-size:14px;line-height:1.85;color:#b0b8cc;margin:0 0 12px;text-align:left}\n.fw-ritual{font-size:14px;color:#c8a254;font-style:italic;padding:10px 0 10px 14px;border-left:3px solid #c8a254;margin:0 0 1.5rem;background:rgba(200,162,84,.06);border-radius:0 6px 6px 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rgba(255,255,255,.08);margin-top:2rem}\n.fw-closing-ritual{font-size:13px;color:#8892a8;margin-bottom:10px;line-height:1.8}\n.fw-closing-tagline{font-size:14px;font-weight:700;color:#c8a254;text-transform:uppercase;letter-spacing:.06em;margin:0}\n@media(max-width:540px){.fw-cap-grid{grid-template-columns:repeat(2,1fr)}.fw-firebox-callout{flex-direction:column}.fw-burn-callout{flex-direction:column}}\n\u003c\/style\u003e\n\u003cdiv id=\"fw-hive-heat-ls\" class=\"fw-wrap\"\u003e\n\u003cp class=\"fw-sku\"\u003eHUUM | HIVE Heat LS | 12 kW Wood-Burning Sauna Stove | Firebox Extension · External Loading · Cast Iron Door · Natural Oil Finish · BImSchV II | H1012012\u003c\/p\u003e\n\u003ch2 class=\"fw-tagline\"\u003e\n\u003cstrong\u003eHUUM HIVE Heat LS — 12 kW\u003c\/strong\u003e | \u003cstrong\u003eWood-Burning · External Firebox Loading · Cast Iron Door · Natural Oil · BImSchV II 🔥\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"fw-badges\"\u003e\n\u003cspan class=\"fw-badge wood\"\u003e🪵 Wood-Burning\u003c\/span\u003e \u003cspan class=\"fw-badge\"\u003e12 kW\u003c\/span\u003e \u003cspan class=\"fw-badge\"\u003eUp To 459 cu ft\u003c\/span\u003e \u003cspan class=\"fw-badge amber\"\u003e🚪 External Firebox — Load From Adjacent Room\u003c\/span\u003e \u003cspan class=\"fw-badge\"\u003eCast Iron Furnace Door\u003c\/span\u003e \u003cspan class=\"fw-badge green\"\u003e🌿 Natural Oil Finish — No Harsh Chemicals\u003c\/span\u003e \u003cspan class=\"fw-badge green\"\u003e✅ BImSchV II Certified\u003c\/span\u003e \u003cspan class=\"fw-badge\"\u003eTop-Down Airflow System\u003c\/span\u003e \u003cspan class=\"fw-badge blue\"\u003e🇪🇪 Made By HUUM\u003c\/span\u003e \u003cspan class=\"fw-badge\"\u003e🚚 Delivered Within 10 Business Days\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"fw-intro\"\u003eThe HUUM HIVE Heat LS is a 12 kW wood-burning sauna stove built around two features that define the sauna experience it creates. First: the firebox extension — the loading point extends through the sauna wall so wood is loaded from an adjacent room. The sauna stays pristine. Sessions are uninterrupted. The atmosphere of a properly sealed sauna room is maintained throughout. Second: a top-down airflow system that channels fresh air into the fire from above, producing a strong, clean flame that combusts wood completely — less smoke, less wood gas, more heat from every log.\u003c\/p\u003e\n\u003cp class=\"fw-intro\"\u003eThe furnace door is cast iron, finished with natural oils — no harsh chemicals, durable, low-maintenance, and easy to clean. BImSchV II certified for emissions compliance. Designed for saunas up to 459 cubic feet. Made by HUUM in Estonia.\u003c\/p\u003e\n\u003cp class=\"fw-ritual\"\u003eLoad from outside. Burn clean. Keep the sauna exactly as it should be. The HUUM HIVE Heat LS — where function and atmosphere are the same thing. 🌿\u003c\/p\u003e\n\u003cdiv class=\"fw-firebox-callout\"\u003e\n\u003cdiv class=\"fw-firebox-callout-icon\"\u003e🚪\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"fw-firebox-callout-title\"\u003eExternal Firebox Extension — Load From An Adjacent Room\u003c\/div\u003e\n\u003cdiv class=\"fw-firebox-callout-text\"\u003eThe HIVE Heat LS's firebox extension passes through the sauna wall, allowing wood to be loaded from a changing room, storage area, or anteroom — without opening the sauna door or bringing bark, sawdust, or debris into the sauna space. The result: a permanently clean sauna interior, an uninterrupted session atmosphere, and the dedicated separation between heating space and bathing space that a genuine sauna installation deserves.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-burn-callout\"\u003e\n\u003cdiv class=\"fw-burn-callout-icon\"\u003e🌬️\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"fw-burn-callout-title\"\u003eTop-Down Airflow System — Clean Burn, Complete Combustion\u003c\/div\u003e\n\u003cdiv class=\"fw-burn-callout-text\"\u003eThe HIVE Heat LS channels fresh air into the fire from above — the opposite direction to a conventional bottom-up draft stove. This top-down airflow produces a stronger, more stable flame that burns wood from the top down, ensuring complete combustion. The practical result: less smoke, less unburned wood gas, and more heat extracted from every load — a cleaner burn for the environment and a more efficient session for you.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-grid\"\u003e\n\u003cdiv class=\"fw-cap-card\"\u003e\n\u003cdiv class=\"fw-cap-icon\"\u003e🔥\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-label\"\u003eOutput\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003e12 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-card\"\u003e\n\u003cdiv class=\"fw-cap-icon\"\u003e📐\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-label\"\u003eRoom Size\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003eUp To 459 cu ft\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-card\"\u003e\n\u003cdiv class=\"fw-cap-icon\"\u003e🚪\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-label\"\u003eLoading\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003eExternal Firebox\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-card\"\u003e\n\u003cdiv class=\"fw-cap-icon\"\u003e✅\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-label\"\u003eCertified\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003eBImSchV II\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"fw-divider\"\u003e\n\u003c!-- AVAILABILITY TAB --\u003e\n\u003cdiv class=\"fw-acc-wrap fw-avail-yes\"\u003e\n\u003cbutton data-fw=\"availability\" class=\"fw-acc-header\"\u003e \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e🇺🇸\u003c\/span\u003e Availability: US Only (International Orders Case by Case)\u003c\/span\u003e \u003cspan id=\"fwc-availability\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e \u003c\/button\u003e\n\u003cdiv id=\"fwb-availability\" class=\"fw-acc-body\"\u003e\n\u003cp style=\"font-size: 13px; color: #b0b8cc; line-height: 1.7; margin: 14px 0 10px;\"\u003eThis product is listed for \u003cstrong style=\"color: #c8a254;\"\u003eUSA customers.\u003c\/strong\u003e However, we regularly deliver to customers in \u003cstrong style=\"color: #ffffff;\"\u003eNew Zealand, Australia, Europe,\u003c\/strong\u003e and beyond — shipping is assessed case by case.\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #b0b8cc; line-height: 1.7; margin: 0 0 16px;\"\u003eIf you are outside the US and want to order this product, here is exactly what to do:\u003c\/p\u003e\n\u003cdiv style=\"background: rgba(200,162,84,.06); border: 1px solid rgba(200,162,84,.2); border-radius: 10px; padding: 16px 18px; margin-bottom: 10px;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: bold; color: #c8a254; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 8px;\"\u003eStep 1 — Copy This Product Page Link\u003c\/p\u003e\n\u003cp style=\"font-size: 12px; color: #8892a8; line-height: 1.7; margin: 0 0 10px;\"\u003eClick below to copy the URL of this product page to your clipboard. You will paste it into your message to us so we know exactly what you are enquiring about.\u003c\/p\u003e\n\u003cbutton id=\"fw-copy-btn\" style=\"display: inline-block; font-family: -apple-system,BlinkMacSystemFont,sans-serif; font-size: 12px; font-weight: bold; color: #c8a254; background: rgba(200,162,84,.1); border: 1px solid rgba(200,162,84,.4); border-radius: 20px; padding: 8px 18px; cursor: pointer; letter-spacing: .03em;\"\u003e📋 Copy This Product Page Link\u003c\/button\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: rgba(100,160,255,.05); border: 1px solid rgba(100,160,255,.2); border-radius: 10px; padding: 16px 18px;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: bold; color: #82b4ff; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 8px;\"\u003eStep 2 — Contact FR33DOM Wellness\u003c\/p\u003e\n\u003cp style=\"font-size: 12px; color: #8892a8; line-height: 1.7; margin: 0 0 10px;\"\u003eHead to our contact page, paste the product link into your message, include your delivery country, and we will come back to you with shipping options and a quote. We do our best to make it work.\u003c\/p\u003e\n\u003ca href=\"https:\/\/fr33domwellness.com\/pages\/contact\" style=\"display: inline-block; font-family: -apple-system,BlinkMacSystemFont,sans-serif; font-size: 12px; font-weight: bold; color: #82b4ff; background: rgba(100,160,255,.1); border: 1px solid rgba(100,160,255,.3); border-radius: 20px; padding: 8px 18px; text-decoration: none; letter-spacing: .03em;\" target=\"_blank\"\u003e✉️ Contact FR33DOM Wellness →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- END AVAILABILITY TAB --\u003e \u003c!-- 1. KEY FEATURES --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n\u003cbutton data-fw=\"features\" class=\"fw-acc-header\"\u003e \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e🔥\u003c\/span\u003e Key Features\u003c\/span\u003e \u003cspan id=\"fwc-features\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e \u003c\/button\u003e\n\u003cdiv id=\"fwb-features\" class=\"fw-acc-body\"\u003e\n\u003cdiv class=\"fw-feature-row\"\u003e\n\u003cspan class=\"fw-feature-emoji\"\u003e🚪\u003c\/span\u003e\u003cspan class=\"fw-feature-text\"\u003e\u003cstrong\u003eExternal firebox extension — load from adjacent room\u003c\/strong\u003e — the firebox extension passes through the sauna wall, allowing wood to be loaded from a changing room or storage space without entering the sauna. No bark, no sawdust, no debris in the sauna space. The interior stays clean, the session stays uninterrupted, and the separation between heating and bathing space is maintained throughout\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-feature-row\"\u003e\n\u003cspan class=\"fw-feature-emoji\"\u003e🌬️\u003c\/span\u003e\u003cspan class=\"fw-feature-text\"\u003e\u003cstrong\u003eTop-down airflow system — clean, complete combustion\u003c\/strong\u003e — fresh air is channelled into the fire from above, producing a top-down burn that is stronger, more stable, and more complete than a conventional bottom-draft stove. Wood is combusted fully — less smoke, less wood gas, more heat per load, and a cleaner exhaust that meets BImSchV II emission standards\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-feature-row\"\u003e\n\u003cspan class=\"fw-feature-emoji\"\u003e🏗️\u003c\/span\u003e\u003cspan class=\"fw-feature-text\"\u003e\u003cstrong\u003eCast iron furnace door — durable, resilient, low maintenance\u003c\/strong\u003e — the furnace door is cast iron: inherently resilient under the intense and repeated thermal cycling of regular wood-burning sauna use. Durable enough to maintain its form and seal over years of daily sessions without warping or degrading\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-feature-row\"\u003e\n\u003cspan class=\"fw-feature-emoji\"\u003e🌿\u003c\/span\u003e\u003cspan class=\"fw-feature-text\"\u003e\u003cstrong\u003eNatural oil finish — no harsh chemicals\u003c\/strong\u003e — the cast iron door is finished with natural oils rather than synthetic coatings or chemical treatments. Low-maintenance, easy to clean, and free of the off-gassing that chemical finishes can produce in a high-temperature sauna environment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-feature-row\"\u003e\n\u003cspan class=\"fw-feature-emoji\"\u003e📐\u003c\/span\u003e\u003cspan class=\"fw-feature-text\"\u003e\u003cstrong\u003e12 kW — up to 459 cubic feet\u003c\/strong\u003e — a powerful 12 kW output that heats saunas up to 459 cubic feet efficiently and thoroughly. The combination of high output and the top-down airflow system means the HIVE Heat LS reaches session temperature quickly and holds it consistently throughout\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-feature-row\"\u003e\n\u003cspan class=\"fw-feature-emoji\"\u003e✅\u003c\/span\u003e\u003cspan class=\"fw-feature-text\"\u003e\u003cstrong\u003eBImSchV II certified\u003c\/strong\u003e — certified to Germany's Federal Immission Control Act Stage II requirements — one of the most demanding emissions standards applied to wood-burning appliances globally. The clean combustion engineering that drives the top-down airflow system is what earns this certification\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2. SPECIFICATIONS --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n\u003cbutton data-fw=\"specs\" class=\"fw-acc-header\"\u003e \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e📐\u003c\/span\u003e Specifications\u003c\/span\u003e \u003cspan id=\"fwc-specs\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e \u003c\/button\u003e\n\u003cdiv id=\"fwb-specs\" class=\"fw-acc-body\"\u003e\n\u003ctable class=\"fw-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand \/ Model\u003c\/td\u003e\n\u003ctd\u003eHUUM — HIVE Heat LS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eH1012012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing\u003c\/td\u003e\n\u003ctd\u003eMade by HUUM — Estonia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel type\u003c\/td\u003e\n\u003ctd\u003eWood-burning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoom capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 459 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirebox\u003c\/td\u003e\n\u003ctd\u003eExtension — external loading from adjacent room\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow\u003c\/td\u003e\n\u003ctd\u003eTop-down — complete combustion system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor material\u003c\/td\u003e\n\u003ctd\u003eCast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor finish\u003c\/td\u003e\n\u003ctd\u003eNatural oil — no harsh chemicals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eBImSchV II — German Federal Emissions Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"fw-craft-note\"\u003e\n\u003cdiv class=\"fw-craft-note-icon\"\u003e🇪🇪\u003c\/div\u003e\n\u003cdiv class=\"fw-craft-note-text\"\u003e\n\u003cstrong\u003eMade by HUUM in Estonia.\u003c\/strong\u003e The same engineering standards and craftsmanship applied across the full HUUM product range — from electric to wood-burning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 3. SHIPPING --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n\u003cbutton data-fw=\"shipping\" class=\"fw-acc-header\"\u003e \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e🚚\u003c\/span\u003e Shipping \u0026amp; Delivery\u003c\/span\u003e \u003cspan id=\"fwc-shipping\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e \u003c\/button\u003e\n\u003cdiv id=\"fwb-shipping\" class=\"fw-acc-body\"\u003e\n\u003cdiv class=\"fw-shipping-box\"\u003e\n\u003cp\u003e🚚 Delivery is estimated within 10 business days for available delivery zones. Shipping timeframes and costs vary by product and are determined by size, weight, and freight requirements.\u003c\/p\u003e\n\u003cp\u003eFor international destinations outside standard delivery zones, shipping is assessed case by case. FR33DOM Wellness is committed to ensuring every order arrives as efficiently as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fw-closing\"\u003e\n\u003cp class=\"fw-closing-ritual\"\u003e🪵 Wood-Burning  ·  🔥 12 kW  ·  🚪 External Firebox  ·  🌬️ Top-Down Airflow  ·  🏗️ Cast Iron Door  ·  ✅ BImSchV II\u003c\/p\u003e\n\u003cp class=\"fw-closing-tagline\"\u003eHUUM HIVE Heat LS — Load From Outside. Burn Clean. 🔥\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HUUM","offers":[{"title":"12 (UP TO 459 CF)","offer_id":48857381699736,"sku":"H1012012","price":2699.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/8190\/2488\/files\/huum-hive-heat-ls-12kw-sauna-stove-with-firebox-extension-front-view-sak85317.jpg?v=1775605980","url":"https:\/\/fr33domwellness.com\/products\/huum-hive-heat-ls-12kw-sauna-stove-with-firebox-extension-sauna-stones-h1012012-sak85317","provider":"FR33DOM WELLNESS","version":"1.0","type":"link"}