{"product_id":"harvia-spirit-sauna-heater-smart-control","title":"Harvia Spirit Sauna Heater (Smart Control)","description":"\u003ch2\u003e\u003cstrong\u003eHarvia Spirit Electric Sauna Heater\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHarvia Spirit Electric Sauna Heater\u003c\/strong\u003e is Harvia's most popular U.S. residential wall-mounted electric sauna heater, a sleek stainless steel column topped with a bed of rounded sauna stones that gives Spirit its signature visual identity. Available in \u003cstrong\u003e6 kW, 8 kW, or 9 kW\u003c\/strong\u003e at 240V 1-Phase. The W-suffix Spirit body pairs with an external Harvia Smart Control power unit (CX30 for 6 kW; CX45 for 8 \/ 9 kW) for digital scheduling, WiFi\/MyHarvia app control, and remote start. Optional Fenix Upgrade adds Harvia's next-generation touchscreen display on top of the Xenio CX.\u003c\/p\u003e\n\n\u003ch2\u003ePick the Right kW for Your Cabin\u003c\/h2\u003e\n\u003cp\u003eEach Spirit size is rated for a specific sauna cabin interior volume. Calculate your cabin volume as interior length × width × height. If the cabin includes a glass door or window, add roughly 25% to the calculated cubic footage to compensate for radiant heat loss.\u003c\/p\u003e\n\n\u003ctable class=\"spec-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003eBest For\u003c\/th\u003e\n      \u003cth\u003eCabin Volume\u003c\/th\u003e\n      \u003cth\u003eAmperage\u003c\/th\u003e\n      \u003cth\u003eXenio Control\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpirit 6 kW\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eStandard residential 2–4 person sauna cabins\u003c\/td\u003e\n      \u003ctd\u003e177–294 cu ft\u003c\/td\u003e\n      \u003ctd\u003e25 Amps\u003c\/td\u003e\n      \u003ctd\u003eXenio CX30\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpirit 8 kW\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eLarge residential \/ family-size sauna cabins (4–5 person bench)\u003c\/td\u003e\n      \u003ctd\u003e250–425 cu ft\u003c\/td\u003e\n      \u003ctd\u003e33 Amps\u003c\/td\u003e\n      \u003ctd\u003eXenio CX45\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpirit 9 kW\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eThe largest residential sauna cabins (5–6 person bench), typically destination wellness spaces or commercial-light spaces\u003c\/td\u003e\n      \u003ctd\u003e320–530 cu ft\u003c\/td\u003e\n      \u003ctd\u003e37.5 Amps\u003c\/td\u003e\n      \u003ctd\u003eXenio CX45\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSleek stainless steel wall-mounted column, Harvia's most popular U.S. residential sauna heater.\u003c\/li\u003e\n  \u003cli\u003eSignature \u003cstrong\u003erounded stone bed\u003c\/strong\u003e on top of the heater, uses Harvia R-991 olivine diabase rounded stones (4 boxes included in Tier 2+).\u003c\/li\u003e\n  \u003cli\u003eAvailable in three kilowatt sizes (6 \/ 8 \/ 9 kW) for cabin volumes from 177 to 530 cubic feet.\u003c\/li\u003e\n  \u003cli\u003ePairs with the \u003cstrong\u003eHarvia Smart Control\u003c\/strong\u003e: CX30 (30A) for the 6 kW model, CX45 (45A) for the 8 \/ 9 kW models. WiFi-enabled, MyHarvia app compatible.\u003c\/li\u003e\n  \u003cli\u003eOptional \u003cstrong\u003eFenix Upgrade\u003c\/strong\u003e (Tier 3) adds the Harvia Fenix FX004XW touchscreen display on top of the Xenio CX, futureproofs the install on Harvia's next-generation control platform.\u003c\/li\u003e\n  \u003cli\u003eCompact heater dimensions of \u003cstrong\u003e14\"D x 16.5\"W x 22\"H\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL Listed\u003c\/strong\u003e, meets U.S. safety standards for residential sauna heater installation.\u003c\/li\u003e\n  \u003cli\u003eBacked by Harvia's 2-year residential limited warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eEach kW size is offered in four package tiers. Pick the size from the selector above, then pick the package tier on the product page.\u003c\/p\u003e\n\n\u003ctable class=\"spec-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePackage\u003c\/th\u003e\n      \u003cth\u003eIncludes\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpirit Just Heater\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n        \u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n          \u003cli\u003eHarvia Spirit heater body in the selected kW size (240V 1-Phase)\u003c\/li\u003e\n          \u003cli\u003eHeater only, Xenio CX control unit sold separately\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpirit Heater + Control + Stones\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n        \u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n          \u003cli\u003eHarvia Spirit heater body in the selected kW size (240V 1-Phase)\u003c\/li\u003e\n          \u003cli\u003eHarvia Smart Control power unit (CX30 for 6 kW, CX45 for 8 \/ 9 kW), WiFi-enabled, MyHarvia app compatible\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003e4 × Harvia R-991 Rounded Sauna Stones\u003c\/strong\u003e, olivine diabase, 5–10 cm rounded, 15 kg (33 lb) per box\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpirit Heater + Control + Stones + Fenix Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n        \u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n          \u003cli\u003eEverything in the \"Heater + Control + Stones\" package above\u003c\/li\u003e\n          \u003cli\u003eHarvia Fenix FX004XW Touchscreen Display Add-On, modern UI overlay for the Xenio CX\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUltimate Package: Heater + Control + Stones + All Accessories\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n        \u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n          \u003cli\u003eEverything in the \"Heater + Control + Stones\" package above\u003c\/li\u003e\n          \u003cli\u003eHarvia Spirit Safety Rail (HSP3M), factory-matched protective railing, fits all Spirit sizes (6 \/ 8 \/ 9 kW)\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eXenio CX + Fenix Upgrade, What's the Difference?\u003c\/h2\u003e\n\u003cp\u003eTier 2 (\"Spirit Heater + Control + Stones\") bundles the \u003cstrong\u003eHarvia Xenio CX30 or CX45\u003c\/strong\u003e power unit (auto-matched to the heater's amperage: CX30 for 6 kW, CX45 for 8\/9 kW). The Xenio CX is Harvia's long-running, field-proven digital control platform, ships with WiFi built in and connects to the MyHarvia smartphone app for remote start and scheduling.\u003c\/p\u003e\n\u003cp\u003eTier 3 (\"Spirit Heater + Control + Stones + Fenix Upgrade\") adds the \u003cstrong\u003eHarvia Fenix FX004XW Touchscreen Display\u003c\/strong\u003e on top of the Xenio CX. The Fenix touchscreen is the platform Harvia is investing in going forward; pairing it with the CX power unit today means you have a familiar, current-production switching base AND a modern, future-proof touchscreen interface in the sauna.\u003c\/p\u003e\n\n\u003ch2\u003eSauna Stones, Why Rounded\u003c\/h2\u003e\n\u003cp\u003eSpirit's signature visual is the bed of \u003cstrong\u003erounded\u003c\/strong\u003e sauna stones piled across the top of the heater. Unlike the angular split stones used in most Harvia models, Spirit uses Harvia's R-991 rounded olivine diabase, 5–10 cm river-rock-style stones in 15 kg (33 lb) boxes. The rounded shape produces a softer visual profile and slightly more uniform heat distribution across the stone bed surface.\u003c\/p\u003e\n\u003cp\u003eEvery \"Spirit Heater + Control + Stones\" tier (and the Fenix Upgrade tier) ships with \u003cstrong\u003e4 × R-991 boxes\u003c\/strong\u003e, the correct quantity to fill the Spirit stone bed for any of the 6, 8, or 9 kW models. If you'd rather source rounded stones locally, pick the \"Spirit Just Heater\" tier; R-991 boxes are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Electrical Requirements\u003c\/h2\u003e\n\u003cp\u003eEvery Spirit requires a dedicated \u003cstrong\u003e240V 1-Phase\u003c\/strong\u003e circuit wired by a licensed electrician. Required amperage and wire gauge varies by kW, see the sizing table above. Spirit is UL Listed and must be installed per the included manual, local electrical code, and any applicable AHJ (authority having jurisdiction) inspection.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/18xmwdY7s99qgu0Gc3hcrQ8Du6snDAfrK\/view?usp=sharing\" title=\"Harvia Spirit Installation Manual\" target=\"_blank\" rel=\"noopener\"\u003eClick Here to Download the Harvia Spirit Installation Manual\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eAbout the Harvia Spirit Family\u003c\/h2\u003e\n\u003cp\u003eSpirit is Harvia's most popular U.S. residential electric sauna heater, a sleek wall-mounted stainless steel column that sits between the compact Vega and the larger Cilindro\/Virta lines. Its signature visual is the bed of \u003cstrong\u003erounded sauna stones\u003c\/strong\u003e piled across the top of the heater body, giving Spirit a softer, more organic stone profile compared to the angular stone beds of other Harvia models. The rounded R-991 stones also distribute heat more evenly across the bed surface, producing the clean, even löyly Spirit is known for.\u003c\/p\u003e\n\u003cp\u003eSpirit pairs with the external \u003cstrong\u003eHarvia Smart Control\u003c\/strong\u003e power unit (CX30 for the 6 kW model, CX45 for the 8 \/ 9 kW models) for full digital scheduling, WiFi\/MyHarvia app control, and remote start. The optional \u003cstrong\u003eFenix Upgrade\u003c\/strong\u003e adds the next-generation Fenix FX004XW touchscreen display on top of the Xenio CX power unit, same heater, same Xenio CX wiring, but with Harvia's modern touchscreen UI in the sauna for the longest-runway platform investment.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy From Finnish Sauna Builders\u003c\/h2\u003e\n\u003cp\u003eAs an authorized Harvia dealer, Finnish Sauna Builders sources every heater direct from Harvia US (Lewisburg, WV) with full factory warranty and dealer technical support. Our team works with you from heater sizing through installation. Free shipping on all Harvia heaters; white-glove install coordination available nationwide.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eHarvia Spirit carries Harvia's standard 2-year residential limited warranty. Finnish Sauna Builders handles all warranty claims direct, no third-party return desk.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Harvia\u003c\/h2\u003e\n\u003cp\u003eHarvia has been building world-class sauna heaters in Finland since 1950. Every Harvia product carries forward more than 70 years of Finnish craftsmanship, materials science, and a relentless focus on the perfect löyly, the heated, humid burst of steam released when water meets hot sauna stones.\u003c\/p\u003e\n\n\u003ch2\u003eVideos\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/PGK7Xg7k59Y\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/p5S22TPCd_I\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n","brand":"Harvia","offers":[{"title":"6 kW (177–294 cu ft) \/ Spirit Just Heater","offer_id":54164662223216,"sku":"14-HSPE60U1M","price":1715.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (177–294 cu ft) \/ Spirit Heater + Control + Stones","offer_id":54164662255984,"sku":"14-HSPE60U1M+CX+STONES","price":3096.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (177–294 cu ft) \/ Spirit Heater + Control + Stones + Fenix Upgrade","offer_id":54164662288752,"sku":"14-HSPE60U1M+CX+STONES+FX004","price":3762.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Spirit Just Heater","offer_id":54164662321520,"sku":"14-HSPE80U1M","price":1777.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Spirit Heater + Control + Stones","offer_id":54164662354288,"sku":"14-HSPE80U1M+CX+STONES","price":3477.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Spirit Heater + Control + Stones + Fenix Upgrade","offer_id":54164662387056,"sku":"14-HSPE80U1M+CX+STONES+FX004","price":4143.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (320–530 cu ft) \/ Spirit Just Heater","offer_id":54164662419824,"sku":"14-HSPE90U1M","price":1930.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (320–530 cu ft) \/ Spirit Heater + Control + Stones","offer_id":54164662452592,"sku":"14-HSPE90U1M+CX+STONES","price":3630.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (320–530 cu ft) \/ Spirit Heater + Control + Stones + Fenix Upgrade","offer_id":54164662485360,"sku":"14-HSPE90U1M+CX+STONES+FX004","price":4296.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (177–294 cu ft) \/ Ultimate Package Spirit Heater + Control + Stones + All Accessories","offer_id":54164662518128,"sku":"14-HSPE60U1M+CX+STONES+ACC","price":3363.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Ultimate Package Spirit Heater + Control + Stones + All Accessories","offer_id":54164662550896,"sku":"14-HSPE80U1M+CX+STONES+ACC","price":3744.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (320–530 cu ft) \/ Ultimate Package Spirit Heater + Control + Stones + All Accessories","offer_id":54164662583664,"sku":"14-HSPE90U1M+CX+STONES+ACC","price":3897.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9440\/0200\/files\/Harvia_Spirit_SP80E_8KW_Sauna_Heater_-_Finnish_Sauna_Builders_0d99b862-0056-4e3a-a8e4-0c1662c29f4e.webp?v=1786719639","url":"https:\/\/www.steamsaunasupply.com\/products\/harvia-spirit-sauna-heater-smart-control","provider":"Steam Sauna Supply","version":"1.0","type":"link"}