{"product_id":"saunum-air-l-13-air-l-series-13kw-sauna-heater-w-climate-equalizer-black","title":"Saunum Air L 13 Air L Series, 13kW Sauna Heater w\/Climate Equalizer, Black","description":"\u003cp\u003e\u003c!-- Saunum Air L 10 - 10kW Sauna Heater with Climate Equalizer, Black --\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/MSroDsZXorw?si=AnwzO_SCoI74vNEO\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h2\u003e\n\u003c!-- Saunum Air L 13 - 13kW Sauna Heater with Climate Equalizer, Black - Standalone (no stones, no control) --\u003e\u003c!-- SKU: 4745090017915 | Air L Series | 424-565 cu ft | Black steel finish --\u003e\u003c!-- Control sold separately | Stones: 180 lbs (6 boxes) sold separately --\u003e\u003c!-- 60A breaker \/ 6 AWG | Climate Equalizer patented air mixing | Himalayan salt reservoir --\u003e\u003c!-- UL Listed | Made in Estonia | 5-year warranty --\u003e\u003c!-- 3 document sections: Installation and Operation Manual | Warranty | Size Your Sauna --\u003e\n\u003cstyle\u003e\n  .sl { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a2a3a; max-width: 900px; margin: 0 auto; line-height: 1.6; }\n  .sl * { box-sizing: border-box; }\n  .sl h4 { font-weight: 700 !important; color: #0f172a !important; margin: 1.5rem 0 0.5rem; line-height: 1.3; }\n  .sl h5 { font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.5rem; line-height: 1.3; }\n  .sl-hook { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; padding: 1.1rem 1.4rem; background: #e8f0fa; border-left: 3px solid #2563a8; border-radius: 0 6px 6px 0; margin: 1.5rem 0; }\n  .sl-badges { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 1.75rem; }\n  .sl-badge { background: #e8f0fa; color: #2563a8; font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: 4px; border: 1px solid #bfd4ef; white-space: nowrap; }\n  .sl-desc p { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; margin: 0 0 1rem; }\n  .sl-desc p:last-child { margin: 0; }\n  .sl-spec-table { width: 100%; border-collapse: collapse; font-size: 15px; }\n  .sl-spec-table tr:nth-child(odd) { background: #f8fafc; }\n  .sl-spec-table td { padding: 9px 12px; border: 1px solid #e2e8f0; vertical-align: top; }\n  .sl-spec-table td:first-child { color: #64748b; width: 52%; }\n  .sl-spec-table td:last-child { font-weight: 700 !important; color: #0f172a !important; }\n  .sl-spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }\n  .sl-spec-tables { min-width: 0; }\n  .sl-spec-image { min-width: 0; }\n  .sl-spec-block { margin-bottom: 1.5rem; }\n  .sl-spec-block h4 { font-size: 16px; font-weight: 700 !important; color: #0f172a !important; margin: 1.5rem 0 0.6rem; padding-bottom: 0.4rem; border-bottom: 2px solid #2563a8; display: inline-block; }\n  .sl-inc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }\n  .sl-inc-item { font-weight: 500 !important; color: #0f172a !important; padding: 10px 0 10px 22px; position: relative; border-bottom: 1px solid #e2e8f0; line-height: 1.5 !important; }\n  .sl-inc-item::before { content: \"\"; position: absolute; left: 4px; top: 16px; width: 6px; height: 6px; border-radius: 50%; background: #2563a8; }\n  .sl-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }\n  .sl-feat { background: #fff; border: 1px solid #e2e8f0; border-radius: 6px; padding: 0.9rem 1rem; }\n  .sl-feat-title { font-weight: 700 !important; color: #0f172a !important; margin-bottom: 6px; display: flex; align-items: center; gap: 7px; line-height: 1.3; }\n  .sl-feat-title::before { content: \"\"; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #2563a8; flex-shrink: 0; }\n  .sl-feat p { font-weight: 500 !important; color: #0f172a !important; line-height: 1.6 !important; margin: 0; font-size: 14px; }\n  .sl-brand1, .sl-brand2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; padding: 1.5rem 0; }\n  .sl-brand-img { width: 100%; height: auto; border-radius: 8px; display: block; }\n  .sl-brand-tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: #2563a8; background: #e8f0fa; border: 1px solid #bfd4ef; border-radius: 4px; padding: 4px 10px; margin-bottom: 0.75rem; }\n  .sl-brand1 h4, .sl-brand2 h4 { font-size: 22px !important; font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.75rem; line-height: 1.3 !important; }\n  .sl-brand1 p, .sl-brand2 p { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; margin: 0 0 0.9rem; }\n  .sl-brand1 p:last-child, .sl-brand2 p:last-child { margin: 0; }\n  .sl-check { list-style: none; padding: 0; margin: 1rem 0 0; }\n  .sl-check li { font-weight: 500 !important; line-height: 1.6 !important; color: #0f172a !important; padding: 10px 0 10px 22px; position: relative; border-bottom: 1px solid #e2e8f0; }\n  .sl-check li:last-child { border-bottom: none; }\n  .sl-check li::before { content: \"\"; position: absolute; left: 4px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: #2563a8; }\n  .sl-check li strong { color: #0f172a !important; font-weight: 700; }\n  .sl-notice { background: #eff6ff; border: 1px solid #bfd4ef; border-radius: 6px; padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; font-weight: 500 !important; color: #1e3a5f !important; line-height: 1.6 !important; font-size: 14px; }\n  .sl-notice-yellow { background: #fffbeb; border: 1px solid #fcd34d; border-radius: 6px; padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; font-weight: 500 !important; color: #78350f !important; line-height: 1.6 !important; font-size: 14px; }\n  .sl-warranty { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 1.25rem 1.5rem; }\n  .sl-warranty p { font-weight: 500 !important; color: #0f172a !important; line-height: 1.7 !important; margin: 0; }\n  .sl-manual { background: #fff; border: 1px solid #e2e8f0; border-radius: 6px; padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; }\n  .sl-manual-item { margin-bottom: 1.25rem; padding-bottom: 1.25rem; border-bottom: 1px solid #e2e8f0; }\n  .sl-manual-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }\n  .sl-manual-item h6 { font-size: 14px; font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.5rem; }\n  .sl-doc-link { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 500; color: #4a5568; background: #fff; border: 1px solid #d1d5db; border-radius: 5px; padding: 8px 14px; text-decoration: none; }\n  .sl-doc-link:hover { background: #e8f0fa; border-color: #bfd4ef; color: #2563a8; }\n  .sl-divider { border: none; border-top: 1px solid #e2e8f0; margin: 1.75rem 0; }\n  @media (max-width: 768px) {\n    .sl-feat-grid { grid-template-columns: 1fr 1fr; }\n    .sl-spec-grid { grid-template-columns: 1fr; gap: 1.5rem; }\n    .sl-brand1, .sl-brand2 { grid-template-columns: 1fr; gap: 1rem; padding: 1rem 0; }\n    .sl-brand2 { display: flex; flex-direction: column-reverse; }\n    .sl-brand1 h4, .sl-brand2 h4 { font-size: 18px !important; }\n  }\n  @media (max-width: 480px) {\n    .sl { padding: 0; }\n    .sl-feat-grid { grid-template-columns: 1fr; gap: 8px; }\n    .sl-feat { padding: 0.8rem 0.9rem; }\n    .sl-inc-grid { grid-template-columns: 1fr; }\n    .sl-spec-grid { gap: 1.25rem; }\n    .sl-spec-table, .sl-spec-table tbody, .sl-spec-table tr, .sl-spec-table td { display: block; width: 100%; }\n    .sl-spec-table { border: none; }\n    .sl-spec-table tr { border: 1px solid #e2e8f0; border-radius: 6px; margin-bottom: 6px; padding: 8px 12px; background: #fff !important; }\n    .sl-spec-table tr:nth-child(odd) { background: #f8fafc !important; }\n    .sl-spec-table td { border: none; padding: 1px 0; }\n    .sl-spec-table td:first-child { font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: #64748b; width: 100%; padding-bottom: 2px; }\n    .sl-spec-table td:last-child { font-size: 15px; font-weight: 700 !important; color: #0f172a !important; width: 100%; word-wrap: break-word; overflow-wrap: break-word; }\n    .sl-divider { margin: 1.25rem 0; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"sl\"\u003e\n\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eSaunum Air L 13 Air L Series, 13kW Sauna Heater w\/Climate Equalizer, Black\u003c\/h2\u003e\n\u003cp\u003eThe Saunum Air L 13 is a 13kW floor-standing electric sauna heater for rooms from 424 to 565 cubic feet, finished in black steel. It is the 13kW output level in the Saunum Air L series - the large-room version of the Air L family - and shares the same patented Climate Equalizer air mixing system, 180-lb stone capacity, and Himalayan salt reservoir as the Air L 10 and Air L 15 models. This listing is the heater only. The required control unit and 180 lbs of sauna stones (6 boxes) are sold separately.\u003c\/p\u003e\n\u003ch4\u003eThe Climate Equalizer - Saunum's defining technology\u003c\/h4\u003e\n\u003cp\u003eIn a conventional sauna room without air mixing, heat stratifies: the air near the ceiling can be 20-30°F hotter than the air near the floor. Bathers sitting on upper benches experience intense, oxygen-depleted heat while their feet remain in cooler, more oxygen-rich air near the floor. The Climate Equalizer is Saunum's patented solution: a fan-driven air mixing system built into the heater that draws cooler, oxygen-rich air from the floor level, blends it with the hot, oxygen-depleted air near the ceiling, and distributes the blended air evenly throughout the room. The result is a more consistent temperature from floor to ceiling - typically within 5-8°F across the full height of the room rather than 20-30°F. Bathers experience more even heat from head to toe, better breathability at all bench levels, and a longer, more comfortable session than a conventional heater of equivalent output can produce in the same room.\u003c\/p\u003e\n\u003ch4\u003e180 lbs of stone capacity - massive thermal mass for large rooms\u003c\/h4\u003e\n\u003cp\u003eThe Air L 13's 180-lb stone capacity is matched to the 424-565 cu ft room range it serves. More stone mass means more stored thermal energy, slower and softer steam release when water is ladled, and more sustained temperature throughout the session even with back-to-back use. For a large sauna room at the 565 cu ft end of the Air L 13's range, 180 lbs of stones provides the thermal reserve needed to heat the room effectively and maintain quality steam through extended sessions. Stones are not included in this listing - 6 boxes of the correct stone specification must be purchased separately.\u003c\/p\u003e\n\u003ch4\u003eHimalayan salt reservoir and black steel finish\u003c\/h4\u003e\n\u003cp\u003eGenuine Himalayan salt spheres are positioned within the Climate Equalizer's air stream inside the heater body. As the air mixing system circulates air through the salt, negative ions are dispersed throughout the sauna room, delivering the purported air-quality and respiratory benefits of salt air more effectively than passive salt placement. The black steel finish of the Air L 13 suits contemporary and dark-interior sauna designs where the stainless option would read too light. The Air L series is also available in stainless steel for installations where the lighter, traditional sauna look is preferred. A compatible Saunum control unit is required and sold separately at BathingBrands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-hook\"\u003e13kW floor-standing electric sauna heater with Climate Equalizer for rooms from 424 to 565 cubic feet. Black steel finish. Patented air mixing technology - blends floor and ceiling air for even temperature and better breathability head to toe. 180 lb stone capacity. Himalayan salt reservoir - salt ions distributed throughout the room by the air mixing system. Required: control unit and 180 lbs sauna stones - 6 boxes (both sold separately). 240V \/ 1-phase. 60A breaker, 6 AWG wire. UL Listed. 5-year warranty. Made in Estonia by Saunum.\u003c\/div\u003e\n\u003cdiv class=\"sl-badges\"\u003e\n\u003cspan class=\"sl-badge\"\u003e13 kW\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003e424 to 565 cu ft\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eBlack steel finish\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003ePatented Climate Equalizer air mixing\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eEven temperature floor to ceiling\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eBetter breathability at all bench levels\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003e180 lb stone capacity\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eHimalayan salt reservoir\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eControl sold separately\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eStones: 180 lbs (6 boxes) sold separately\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003e240V \/ 1-phase - 60A breaker - 6 AWG\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eUL Listed\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003e5-year warranty - made in Estonia\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"sl-spec-grid\"\u003e\n\u003cdiv class=\"sl-spec-tables\"\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eElectrical\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower output\u003c\/td\u003e\n\u003ctd\u003e13 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e240V \/ 1-phase \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit breaker required\u003c\/td\u003e\n\u003ctd\u003e60 A (standard 2-pole - no GFI\/GFCI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire gauge\u003c\/td\u003e\n\u003ctd\u003e6 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eRoom sizing and stones\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoom volume\u003c\/td\u003e\n\u003ctd\u003e424 to 565 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone capacity\u003c\/td\u003e\n\u003ctd\u003e180 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStones included\u003c\/td\u003e\n\u003ctd\u003eNo - 6 boxes sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl included\u003c\/td\u003e\n\u003ctd\u003eNo - sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eClimate Equalizer and features\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir mixing system\u003c\/td\u003e\n\u003ctd\u003ePatented Climate Equalizer - floor-to-ceiling air blending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature consistency\u003c\/td\u003e\n\u003ctd\u003eEven heat head to toe across all bench levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHimalayan salt reservoir\u003c\/td\u003e\n\u003ctd\u003eYes - salt ions distributed by air mixing system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eFloor-standing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in Estonia by Saunum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-image\"\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eAir L series comparison\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir L 10 (Black or SS)\u003c\/td\u003e\n\u003ctd\u003e10 kW | 318-424 cu ft | 45A | 6 AWG | 132 lbs stones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir L 13 (this listing)\u003c\/td\u003e\n\u003ctd\u003e13 kW | 424-565 cu ft | 60A | 6 AWG | 180 lbs stones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir L 15 (Black or SS)\u003c\/td\u003e\n\u003ctd\u003e15 kW | 530-706 cu ft | 70A | 4 AWG | 198 lbs stones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll models\u003c\/td\u003e\n\u003ctd\u003eClimate Equalizer, Himalayan salt, black or SS finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eWarranty\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty period\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e4745090017915\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cdiv class=\"sl-inc-grid\"\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eSaunum Air L 13 sauna heater - black steel finish\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eClimate Equalizer air mixing unit (integrated)\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eHimalayan salt reservoir (integrated)\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eInstallation and operation manual\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 1rem; font-weight: 500; color: #64748b; font-size: 14px;\"\u003e\u003cstrong\u003eRequired (not included):\u003c\/strong\u003e Compatible Saunum control unit (sold separately); 180 lbs sauna stones - 6 boxes (sold separately). A licensed electrician is required for all electrical connections. Do not connect to a GFI\/GFCI breaker.\u003c\/p\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003ch3\u003eWhy the Saunum Air L 13 stands out\u003c\/h3\u003e\n\u003cdiv class=\"sl-feat-grid\"\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003ePatented Climate Equalizer - no cold feet, better breathing\u003c\/div\u003e\n\u003cp\u003eSaunum's patented air mixing system is the only technology of its kind in the sauna heater market. It draws cooler, oxygen-rich floor air up through the heater and blends it with hot, oxygen-depleted ceiling air, distributing the mixture evenly throughout the room. The result is a temperature differential of 5-8°F from floor to ceiling rather than the 20-30°F common in conventional sauna rooms, and consistent oxygen availability at all bench levels for longer, more comfortable sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003e13kW - the mid-range Air L output\u003c\/div\u003e\n\u003cp\u003eThe Air L series covers three output levels: 10kW (318-424 cu ft), 13kW (424-565 cu ft), and 15kW (530-706 cu ft). The 13kW is the correct choice for rooms from 424 to 565 cubic feet - mid-size dedicated sauna rooms, two-bench cabins, and rooms with some cold surfaces that push the adjusted cubic footage above the 10kW model's range. For rooms between 424 and 530 cu ft, the 13kW and 15kW overlap; in the overlap zone, rooms with standard insulation are well-served by the 13kW.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003e180 lbs of stone mass\u003c\/div\u003e\n\u003cp\u003eAt 180 lbs, the Air L 13's stone capacity is substantial for its output class. More stone mass relative to output means more thermal reserve, slower heat loss when the sauna door is opened, softer and longer-lasting steam when water is ladled, and better temperature recovery between back-to-back uses. For large sauna rooms with multiple bathers, the 180-lb stone load provides the sustained thermal mass that smaller-capacity heaters cannot match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003eHimalayan salt reservoir\u003c\/div\u003e\n\u003cp\u003eGenuine Himalayan salt spheres are positioned directly within the Climate Equalizer air stream inside the heater body. Every cubic foot of air the system circulates passes through the salt, dispersing negative ions more effectively than passive salt placement on shelves or walls. The air mixing system that creates the even sauna temperature also delivers the salt ionization benefit throughout the full room volume on every circulation cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003eBlack steel - the contemporary finish\u003c\/div\u003e\n\u003cp\u003eThe black steel finish of the Air L 13 suits sauna interiors with dark wood species, slate, carbon fiber, or matte black hardware where a stainless steel heater would create visual contrast. For contemporary sauna designs where the heater is intended to recede into the aesthetic rather than stand out, the black finish is the appropriate choice. All performance specifications are identical to the stainless version.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003e60A \/ 6 AWG - plan before ordering\u003c\/div\u003e\n\u003cp\u003eThe Air L 13 requires a 60A two-pole breaker and 6 AWG wire. Confirm that the electrical panel has an available 60A slot and engage a licensed electrician before ordering. The Air L 10 requires 45A \/ 6 AWG; the Air L 15 requires 70A \/ 4 AWG. For rooms where the Air L 13 and 15 both cover the size, the 13kW's 60A requirement vs the 15kW's 70A may influence the output selection based on panel availability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003ch3\u003eAbout Saunum\u003c\/h3\u003e\n\u003cdiv class=\"sl-brand1\"\u003e\n\u003cimg alt=\"Saunum Air L 13 black steel sauna heater with Climate Equalizer and Himalayan salt reservoir for 424-565 cu ft rooms\" src=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2025-10\/Saunum-Air-L-Black-Sauna-Heater-1.jpg\" class=\"sl-brand-img\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"sl-brand-tag\"\u003eMade in Estonia - UL Listed\u003c\/span\u003e\n\u003ch4\u003eSaunum Air L 13. 13kW. 424-565 cu ft. Patented Climate Equalizer. 180 lbs of stone. Black steel.\u003c\/h4\u003e\n\u003cp\u003eSaunum is an Estonian sauna company and the inventor of the Climate Equalizer - a patented air mixing technology that solves the temperature stratification problem inherent in conventional sauna rooms. The Air L 13 in black steel is the 13kW mid-range model in the Air L large-room series, for sauna rooms from 424 to 565 cubic feet. This listing is the heater only; a compatible Saunum control unit and 180 lbs of sauna stones (6 boxes) are required and sold separately. See the Saunum Air L 13 Package listing for the complete bundled purchase. We are an authorized Saunum dealer.\u003c\/p\u003e\n\u003cul class=\"sl-check\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e13kW, 424-565 cu ft\u003c\/strong\u003e - 240V\/1PH, 60A breaker, 6 AWG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Climate Equalizer\u003c\/strong\u003e - even temperature head to toe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e180 lb stone capacity\u003c\/strong\u003e - massive thermal mass for large rooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHimalayan salt reservoir\u003c\/strong\u003e - ions distributed by air mixing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack steel finish\u003c\/strong\u003e - control + stones (180 lbs, 6 boxes) sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003ch3\u003eManuals and Documents\u003c\/h3\u003e\n\u003cdiv class=\"sl-manual\"\u003e\n\u003cdiv class=\"sl-manual-item\"\u003e\n\u003ch6\u003eInstallation and Operation Manual\u003c\/h6\u003e\n\u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2026-03\/Saunum-Air-L-Sauna-Heater-12-2025-IDM.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Installation and Operation Manual (PDF) \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-manual-item\"\u003e\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2024-11\/Saunum%20Air%20L%20Series%20%20Warranty.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Warranty Information (PDF) \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-manual-item\"\u003e\n\u003ch6\u003eSize Your Sauna\u003c\/h6\u003e\n\u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2025-09\/Sizing-Your-Saunum.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6\"\u003e\u003c\/path\u003e\u003cpolyline points=\"15 3 21 3 21 9\"\u003e\u003c\/polyline\u003e\u003cline x1=\"10\" y1=\"14\" x2=\"21\" y2=\"3\"\u003e\u003c\/line\u003e\u003c\/svg\u003e Size Your Sauna (PDF) \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cdiv class=\"sl-warranty\"\u003e\n\u003ch5\u003e5-year warranty\u003c\/h5\u003e\n\u003cp\u003eThe Saunum Air L 13 is covered by Saunum's \u003cstrong\u003e5-year warranty\u003c\/strong\u003e from the date of purchase. The warranty covers defects in manufacturing and materials under normal use conditions. The warranty does not cover damage caused by improper installation, use without the required stone load, incorrect stone specification, or failure to follow Saunum's installation and operating guidelines. A licensed electrician is required for all electrical connections. Do not connect to a GFI\/GFCI breaker. Proof of purchase from an authorized Saunum dealer is required for warranty claims. We are an authorized Saunum dealer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Saunum","offers":[{"title":"Default Title","offer_id":52277528494362,"sku":"4745090017915","price":3695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/1690\/0634\/files\/Saunum-Air-L-Black-Sauna-Heater-1.jpg?v=1778705106","url":"https:\/\/mediriser.com\/products\/saunum-air-l-13-air-l-series-13kw-sauna-heater-w-climate-equalizer-black","provider":"Mediriser","version":"1.0","type":"link"}