{"product_id":"huum-core-alder-wood-exterior-sauna-heater-with-uku-local-controller-and-stones-core-alder-sak57239","title":"CORE ALDER WOOD | Electric Sauna Heater With UKU Controller + Stones | 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 0;text-align:left}\n.fw-badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:1.5rem;justify-content:left}\n.fw-badge{font-size:11px;padding:4px 12px;border-radius:20px;border:1px solid rgba(200,162,84,.4);color:#c8a254;background:rgba(200,162,84,.08);letter-spacing:.03em;font-weight:500}\n.fw-badge.green{border-color:rgba(76,175,125,.5);color:#4caf7d;background:rgba(76,175,125,.08)}\n.fw-badge.blue{border-color:rgba(100,160,255,.4);color:#82b4ff;background:rgba(100,160,255,.07)}\n.fw-badge.amber{border-color:rgba(255,180,50,.5);color:#ffb432;background:rgba(255,180,50,.08)}\n.fw-cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:1rem 0 1.5rem}\n.fw-cap-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:14px 10px;text-align:center}\n.fw-cap-icon{font-size:20px;margin-bottom:8px}\n.fw-cap-label{font-size:11px;color:#8892a8;margin-bottom:4px;text-transform:uppercase;letter-spacing:.05em}\n.fw-cap-value{font-size:13px;font-weight:600;color:#ffffff}\n.fw-kw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:1rem 0 1.5rem}\n.fw-kw-card{border-radius:10px;padding:14px 10px;text-align:center}\n.fw-kw-card.s{background:rgba(100,160,255,.05);border:1px solid rgba(100,160,255,.2)}\n.fw-kw-card.m{background:rgba(200,162,84,.05);border:1px solid rgba(200,162,84,.3)}\n.fw-kw-card.l{background:rgba(200,80,60,.06);border:1px solid rgba(200,80,60,.2)}\n.fw-kw-icon{font-size:18px;margin-bottom:6px}\n.fw-kw-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}\n.fw-kw-card.s .fw-kw-label{color:#82b4ff}\n.fw-kw-card.m .fw-kw-label{color:#c8a254}\n.fw-kw-card.l .fw-kw-label{color:#ff8070}\n.fw-kw-value{font-size:15px;font-weight:800;color:#ffffff;margin-bottom:3px}\n.fw-kw-sub{font-size:10px;color:#8892a8;line-height:1.4}\n.fw-wood-callout{background:rgba(200,150,60,.07);border:1px solid rgba(200,150,60,.3);border-radius:10px;padding:16px 18px;margin:0 0 1.5rem;display:flex;gap:14px;align-items:flex-start}\n.fw-wood-callout-icon{font-size:24px;flex-shrink:0;margin-top:2px}\n.fw-wood-callout-title{font-size:12px;font-weight:700;color:#d4a040;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}\n.fw-wood-callout-text{font-size:13px;color:#b0b8cc;line-height:1.7}\n.fw-install-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:1rem 0 1.5rem}\n.fw-install-card{background:rgba(255,255,255,.03);border:1px solid rgba(200,162,84,.15);border-radius:10px;padding:14px 10px;text-align:center}\n.fw-install-icon{font-size:20px;margin-bottom:8px}\n.fw-install-label{font-size:11px;font-weight:700;color:#ffffff;text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}\n.fw-install-desc{font-size:11px;color:#8892a8;line-height:1.5}\n.fw-divider{border:none;border-top:1px solid rgba(255,255,255,.07);margin:1.5rem 0}\n.fw-acc-wrap{border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;margin-bottom:8px;background:rgba(255,255,255,.02)}\n.fw-acc-header{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;cursor:pointer;gap:12px;background:transparent;border:none;width:100%;text-align:left}\n.fw-acc-header:hover{background:rgba(200,162,84,.06)}\n.fw-acc-title{font-size:13px;font-weight:600;color:#ffffff;text-transform:uppercase;letter-spacing:.05em;display:flex;align-items:center;gap:10px}\n.fw-acc-icon{font-size:15px;flex-shrink:0}\n.fw-acc-chevron{color:#c8a254;font-size:11px;transition:transform .25s ease;flex-shrink:0;font-weight:700;display:inline-block}\n.fw-acc-chevron.open{transform:rotate(180deg)}\n.fw-acc-body{display:none;padding:4px 18px 18px;border-top:1px solid rgba(255,255,255,.07)}\n.fw-acc-body.open{display:block}\n.fw-body-intro{font-size:13px;color:#8892a8;line-height:1.7;margin:14px 0 8px}\n.fw-feature-row{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.06);align-items:flex-start}\n.fw-feature-row:last-child{border-bottom:none}\n.fw-feature-emoji{font-size:15px;flex-shrink:0;width:20px;padding-top:1px}\n.fw-feature-text{font-size:13px;color:#b0b8cc;line-height:1.7}\n.fw-feature-text strong{color:#ffffff;font-weight:600}\n.fw-spec-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:14px}\n.fw-spec-table tr{border-bottom:1px solid rgba(255,255,255,.06)}\n.fw-spec-table tr:last-child{border-bottom:none}\n.fw-spec-table td{padding:9px 4px;vertical-align:top}\n.fw-spec-table td:first-child{color:#8892a8;width:46%;text-transform:uppercase;font-size:11px;letter-spacing:.04em;font-weight:500;padding-top:11px}\n.fw-spec-table td:last-child{color:#ffffff;font-weight:500}\n.fw-warranty-box{background:rgba(76,175,125,.05);border:1px solid rgba(76,175,125,.25);border-radius:10px;padding:14px 16px;margin-top:14px}\n.fw-warranty-title{font-size:11px;font-weight:700;color:#4caf7d;text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px}\n.fw-warranty-text{font-size:12px;color:#8892a8;line-height:1.7}\n.fw-manual-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.06)}\n.fw-manual-row:last-child{border-bottom:none}\n.fw-manual-name{font-size:13px;color:#b0b8cc}\n.fw-manual-link{font-size:12px;color:#c8a254;font-weight:600;text-decoration:none;border:1px solid rgba(200,162,84,.4);padding:4px 12px;border-radius:20px;white-space:nowrap}\n.fw-shipping-box{background:rgba(200,162,84,.06);border:1px solid rgba(200,162,84,.2);border-radius:10px;padding:16px 18px;margin-top:14px}\n.fw-shipping-box p{font-size:13px;color:#c8a254;margin:0 0 6px;line-height:1.7}\n.fw-shipping-box p:last-child{margin:0;color:#8892a8}\n.fw-closing{text-align:center;padding:2rem 0 1rem;border-top:1px solid 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-kw-grid{grid-template-columns:1fr}.fw-install-grid{grid-template-columns:1fr}.fw-wood-callout{flex-direction:column}}\n\u003c\/style\u003e\n\n\u003cdiv id=\"fw-huum-core\" class=\"fw-wrap\"\u003e\n\n\u003cp class=\"fw-sku\"\u003eHUUM | CORE | Alder Wood Exterior Sauna Heater | 6.5 · 9 · 10.5 kW | 177–566 cu ft | UKU Controls · 66 lbs Stones · Bench-Embed Capable · 3-Year Warranty | Made In Estonia | SAK57239\u003c\/p\u003e\n\u003ch2 class=\"fw-tagline\"\u003e\n\u003cstrong\u003eHUUM CORE\u003c\/strong\u003e | \u003cstrong\u003eAlder Wood Exterior Electric Heater · 6.5 \/ 9 \/ 10.5 kW · 66 lbs Stones · Bench-Embed · UKU Controls · 3-Year Warranty 🔥\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cdiv class=\"fw-badges\"\u003e\n  \u003cspan class=\"fw-badge\"\u003eAlder Wood Pre-Fitted Side Panels\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003eIndustrial Stainless Steel Core\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003e6.5 kW · 9 kW · 10.5 kW Options\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003e177–566 cu ft Room Range\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003e66 lbs Stone Capacity\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003eDirect Element Contact\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003eMinimal Safety Distances\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003eBench-Embed Capable\u003c\/span\u003e\n  \u003cspan class=\"fw-badge\"\u003e240V \/ 1PH\u003c\/span\u003e\n  \u003cspan class=\"fw-badge blue\"\u003e🎛️ UKU Controls Compatible\u003c\/span\u003e\n  \u003cspan class=\"fw-badge amber\"\u003e🛡️ 3-Year Residential Warranty\u003c\/span\u003e\n  \u003cspan class=\"fw-badge blue\"\u003e🇪🇪 Designed \u0026amp; Made In Estonia\u003c\/span\u003e\n  \u003cspan class=\"fw-badge green\"\u003e✅ Free USA Shipping\u003c\/span\u003e\n  \u003cspan class=\"fw-badge green\"\u003e🚚 Ships 1–3 Days · Delivers 5–10 Days\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"fw-intro\"\u003eThe HUUM CORE is a premium electric sauna heater from Estonia — HUUM's signature design that blends industrial-quality stainless steel construction with Alder wood side panels for a heater that is as much a design object as it is a performance appliance. Where most electric heaters are functional hardware installed out of sight, the HUUM CORE is meant to be seen — its wood-panelled exterior complementing the sauna interior while simultaneously protecting users from contact burns on the hot steel surface.\u003c\/p\u003e\n\u003cp class=\"fw-intro\"\u003eAvailable in 6.5 kW, 9 kW, and 10.5 kW to cover rooms from 177 to 566 cubic feet, the CORE holds 66 lbs of stones in direct contact with industrial-quality heating elements — delivering consistent, intense heat and powerful steam. The compact 12.2\" × 12.2\" × 32.7\" footprint with minimal safety clearances enables bench-embed installation. Compatible with HUUM's UKU control system. Backed by a 3-year residential warranty — the most comprehensive in the heater range.\u003c\/p\u003e\n\n\u003cp class=\"fw-ritual\"\u003eIndustrial steel. Alder wood. 66 lbs of stone in direct contact with the elements. The HUUM CORE — the heater that belongs in the room, not just in the corner. 🌿\u003c\/p\u003e\n\n\u003cdiv class=\"fw-wood-callout\"\u003e\n  \u003cdiv class=\"fw-wood-callout-icon\"\u003e🌲\u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cdiv class=\"fw-wood-callout-title\"\u003eAlder Wood Exterior — The HUUM CORE's Defining Design Feature\u003c\/div\u003e\n    \u003cdiv class=\"fw-wood-callout-text\"\u003eThe HUUM CORE's Alder wood pre-fitted side panels do two things simultaneously: they create a seamless aesthetic match with the sauna interior — the heater looks like part of the room rather than an appliance installed in it — and they provide a tactile barrier that prevents accidental contact burns on the hot stainless steel surface beneath. Performance and safety expressed through design, not added as an afterthought. The Alder wood finish is what makes the CORE a centrepiece rather than simply a heat source.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\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\"\u003eStone Capacity\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003e66 lbs\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 Range\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003e177–566 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\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003e12.2\" × 12.2\" × 32.7\"\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\"\u003eWarranty\u003c\/div\u003e\n\u003cdiv class=\"fw-cap-value\"\u003e3 Years\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:11px;font-weight:700;color:#c8a254;letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px\"\u003eThree Power Options — 177 to 566 cu ft\u003c\/p\u003e\n\u003cdiv class=\"fw-kw-grid\"\u003e\n  \u003cdiv class=\"fw-kw-card s\"\u003e\n    \u003cdiv class=\"fw-kw-icon\"\u003e🔵\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-label\"\u003eEntry\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-value\"\u003e6.5 kW\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-sub\"\u003eSmaller rooms in the range · Efficient output for compact sauna spaces\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"fw-kw-card m\"\u003e\n    \u003cdiv class=\"fw-kw-icon\"\u003e🟡\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-label\"\u003eMid-Range\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-value\"\u003e9 kW\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-sub\"\u003eMost versatile output · Wide mid-range room coverage\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"fw-kw-card l\"\u003e\n    \u003cdiv class=\"fw-kw-icon\"\u003e🔴\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-label\"\u003eMaximum\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-value\"\u003e10.5 kW\u003c\/div\u003e\n    \u003cdiv class=\"fw-kw-sub\"\u003eLargest rooms in range · Maximum CORE output up to 566 cu ft\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:11px;font-weight:700;color:#c8a254;letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px\"\u003eFlexible Installation — Two Configurations\u003c\/p\u003e\n\u003cdiv class=\"fw-install-grid\"\u003e\n  \u003cdiv class=\"fw-install-card\"\u003e\n\u003cdiv class=\"fw-install-icon\"\u003e🪑\u003c\/div\u003e\n\u003cdiv class=\"fw-install-label\"\u003eBench Embed\u003c\/div\u003e\n\u003cdiv class=\"fw-install-desc\"\u003eThe compact 12.2\" profile and minimal safety clearances allow direct embedding into sauna bench seating — the cleanest, most integrated installation possible\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"fw-install-card\"\u003e\n\u003cdiv class=\"fw-install-icon\"\u003e🧱\u003c\/div\u003e\n\u003cdiv class=\"fw-install-label\"\u003eStandard Floor\/Wall\u003c\/div\u003e\n\u003cdiv class=\"fw-install-desc\"\u003eFlexible freestanding or wall-adjacent installation in corner or sidewall positions — minimal safety distances maximise usable bench space\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"fw-divider\"\u003e\n\n\u003c!-- 1. FEATURES --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n  \u003cbutton data-fw=\"features\" class=\"fw-acc-header\"\u003e\n    \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e🔥\u003c\/span\u003e Key Features\u003c\/span\u003e\n    \u003cspan id=\"fwc-features\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e\n  \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\u003eAlder wood pre-fitted side panels — aesthetic match and burn protection\u003c\/strong\u003e — the CORE's Alder wood panels are not decorative trim — they are a functional design decision that solves two problems simultaneously. The warm wood finish creates a seamless visual match with the sauna interior so the heater reads as part of the room rather than installed hardware. The panels also form a tactile barrier preventing accidental contact burns on the hot stainless steel surface — a practical safety consideration in any active 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\u003eIndustrial-quality stainless steel construction\u003c\/strong\u003e — beneath the Alder exterior, the CORE is built from industrial-quality stainless steel throughout. Engineered for the demanding thermal and humidity cycling of regular sauna use — the construction standard that HUUM's Estonian manufacturing brings to every unit in the range\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\u003e66 lbs stone capacity — direct element contact\u003c\/strong\u003e — the CORE holds 66 lbs of stones in direct contact with the heating elements, not in a separate compartment above them. Direct thermal contact maximises energy transfer efficiency: stones heat faster, reach higher temperatures, and retain heat longer between pours than stones heated by convective air transfer alone. The result is consistent, intense heat and powerful steam that persists throughout the session\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\u003eCompact frame — 12.2\" × 12.2\" × 32.7\" — minimal safety distances\u003c\/strong\u003e — the CORE's compact 12.2\" square footprint requires minimal safety clearances from bench, wall, and ceiling surfaces — a specification that significantly expands installation flexibility compared to larger heaters with greater clearance requirements. The minimal distances allow bench-embed installations and tight-corner positioning without compromising safety compliance\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\u003eBench-embed capable — the most integrated installation option\u003c\/strong\u003e — the CORE's compact dimensions and minimal clearance requirements enable direct embedding into sauna bench seating — the cleanest, most architecturally integrated heater installation available. In a bench-embed configuration, the Alder wood exterior blends with the surrounding bench material, making the heater virtually disappear into the sauna interior design\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\u003eUKU controls compatible — precise session management\u003c\/strong\u003e — the HUUM CORE pairs seamlessly with HUUM's UKU control system for effortless, precise heat management. The UKU provides intuitive temperature control from inside or outside the sauna. Contact us to discuss UKU control options alongside your CORE order\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\u003eDesigned, engineered, and made in Estonia — 3-year residential warranty\u003c\/strong\u003e — HUUM is Estonia's benchmark sauna engineering brand, applying Northern European wellness manufacturing standards to every heater. The 3-year residential warranty is the most comprehensive in the FR33DOM heater range — a genuine manufacturer's confidence statement in the CORE's long-term durability and performance\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- 2. SPECIFICATIONS --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n  \u003cbutton data-fw=\"specs\" class=\"fw-acc-header\"\u003e\n    \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e📐\u003c\/span\u003e Specifications\u003c\/span\u003e\n    \u003cspan id=\"fwc-specs\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e\n  \u003c\/button\u003e\n  \u003cdiv id=\"fwb-specs\" class=\"fw-acc-body\"\u003e\n    \u003ctable class=\"fw-spec-table\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBrand \/ Model\u003c\/td\u003e\n\u003ctd\u003eHUUM — CORE Alder Wood Exterior\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eManufacturing\u003c\/td\u003e\n\u003ctd\u003eDesigned, engineered \u0026amp; made in Estonia\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eExterior panels\u003c\/td\u003e\n\u003ctd\u003eAlder wood — pre-fitted side panels\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCore construction\u003c\/td\u003e\n\u003ctd\u003eIndustrial-quality stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePower options\u003c\/td\u003e\n\u003ctd\u003e6.5 kW · 9 kW · 10.5 kW (select at checkout)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e240V \/ 1PH\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRoom capacity\u003c\/td\u003e\n\u003ctd\u003e177–566 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eStone capacity\u003c\/td\u003e\n\u003ctd\u003e66 lbs — direct element contact\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.2\" W × 12.2\" D × 32.7\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSafety distances\u003c\/td\u003e\n\u003ctd\u003eMinimal — bench-embed and tight-corner compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eUKU compatible (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-year limited residential warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n    \u003cdiv class=\"fw-warranty-box\"\u003e\n      \u003cdiv class=\"fw-warranty-title\"\u003e🛡️ 3-Year Limited Residential Warranty\u003c\/div\u003e\n      \u003cdiv class=\"fw-warranty-text\"\u003eThe HUUM CORE carries a 3-year limited residential warranty — the most comprehensive warranty in the FR33DOM sauna heater range. Coverage applies to manufacturing defects under normal residential use. View the full warranty terms in the Warranty PDF in the Manuals tab. Contact us for warranty queries and claims.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- 3. MANUALS --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n  \u003cbutton data-fw=\"manuals\" class=\"fw-acc-header\"\u003e\n    \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e📄\u003c\/span\u003e Manuals \u0026amp; Documentation\u003c\/span\u003e\n    \u003cspan id=\"fwc-manuals\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e\n  \u003c\/button\u003e\n  \u003cdiv id=\"fwb-manuals\" class=\"fw-acc-body\"\u003e\n    \u003cdiv class=\"fw-manual-row\"\u003e\n      \u003cspan class=\"fw-manual-name\"\u003eHUUM CORE — User Manual\u003c\/span\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0273\/9424\/4673\/files\/HUUM_CORE_H1013072-82-92_Manual.pdf?v=1765839552\" class=\"fw-manual-link\" target=\"_blank\"\u003eView PDF\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"fw-manual-row\"\u003e\n      \u003cspan class=\"fw-manual-name\"\u003eHUUM CORE — Sauna Sizing Guide\u003c\/span\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0273\/9424\/4673\/files\/HUUM_CORE_H1013072-82-92_Sizing.pdf?v=1765839552\" class=\"fw-manual-link\" target=\"_blank\"\u003eView PDF\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"fw-manual-row\"\u003e\n      \u003cspan class=\"fw-manual-name\"\u003eHUUM CORE — Warranty Document\u003c\/span\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0273\/9424\/4673\/files\/HUUM_CORE_H1013072-82-92_Warranty.pdf?v=1765839552\" class=\"fw-manual-link\" target=\"_blank\"\u003eView PDF\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"fw-manual-row\"\u003e\n      \u003cspan class=\"fw-manual-name\"\u003eHUUM CORE — Stone Requirements\u003c\/span\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0273\/9424\/4673\/files\/HUUM_CORE_H1013072-82-92_Stone_Requirements.pdf?v=1765839552\" class=\"fw-manual-link\" target=\"_blank\"\u003eView PDF\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"fw-manual-row\"\u003e\n      \u003cspan class=\"fw-manual-name\"\u003eHUUM CORE — Element Requirements\u003c\/span\u003e\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0273\/9424\/4673\/files\/HUUM_CORE_H1013072-82-92_Element_Requirements.pdf?v=1765839553\" class=\"fw-manual-link\" target=\"_blank\"\u003eView PDF\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- 4. SHIPPING --\u003e\n\u003cdiv class=\"fw-acc-wrap\"\u003e\n  \u003cbutton data-fw=\"shipping\" class=\"fw-acc-header\"\u003e\n    \u003cspan class=\"fw-acc-title\"\u003e\u003cspan class=\"fw-acc-icon\"\u003e🚚\u003c\/span\u003e Shipping \u0026amp; Delivery\u003c\/span\u003e\n    \u003cspan id=\"fwc-shipping\" class=\"fw-acc-chevron\"\u003e▼\u003c\/span\u003e\n  \u003c\/button\u003e\n  \u003cdiv id=\"fwb-shipping\" class=\"fw-acc-body\"\u003e\n    \u003cdiv class=\"fw-shipping-box\"\u003e\n      \u003cp\u003e🚚 Your HUUM CORE Sauna Heater will be packed and shipped within 1–3 business days and delivered within 5–10 business days. Free USA shipping included.\u003c\/p\u003e\n      \u003cp\u003eAvailable in 6.5 kW, 9 kW, and 10.5 kW — use the Sauna Sizing Guide in the Manuals tab to select the right output for your room volume. Contact us before ordering for guidance on kW selection, UKU control options, installation configuration, and electrical requirements for 240V\/1PH.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fw-closing\"\u003e\n  \u003cp class=\"fw-closing-ritual\"\u003e🌲 Alder Wood Exterior  ·  🪨 66 lbs Stones · Direct Contact  ·  ⚡ 6.5 \/ 9 \/ 10.5 kW  ·  📦 Bench-Embed Capable  ·  🛡️ 3-Year Warranty  ·  🇪🇪 Made In Estonia\u003c\/p\u003e\n  \u003cp class=\"fw-closing-tagline\"\u003eHUUM CORE — The Heater That Belongs In The Room. 🔥\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('click',function(e){\n  var btn=e.target.closest('[data-fw]');\n  if(!btn)return;\n  var id=btn.getAttribute('data-fw');\n  var body=document.getElementById('fwb-'+id);\n  var chev=document.getElementById('fwc-'+id);\n  if(!body||!chev)return;\n  var isOpen=body.classList.contains('open');\n  body.classList.toggle('open',!isOpen);\n  chev.classList.toggle('open',!isOpen);\n});\n\u003c\/script\u003e","brand":"HUUM","offers":[{"title":"06.5 (177-318 CF)","offer_id":48857383960728,"sku":"sku-47613290643670","price":4399.97,"currency_code":"USD","in_stock":true},{"title":"09.0 (283-460 CF)","offer_id":48857383993496,"sku":"sku-47613290676438","price":4499.97,"currency_code":"USD","in_stock":true},{"title":"10.5 (354-566 CF)","offer_id":48857384026264,"sku":"sku-47613290709206","price":4599.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/8190\/2488\/files\/huum-core-alder-wood-exterior-sauna-heater-sak57239-front-view.jpg?v=1775605980","url":"https:\/\/fr33domwellness.com\/products\/huum-core-alder-wood-exterior-sauna-heater-with-uku-local-controller-and-stones-core-alder-sak57239","provider":"FR33DOM WELLNESS","version":"1.0","type":"link"}