{"product_id":"harvia-virta-sauna-heater-xenio-smart-control","title":"Harvia Virta Sauna Heater (Xenio Smart Control)","description":"\u003ch3\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eHarvia Virta Sauna Heater\u003c\/strong\u003e with Xenio Smart Control is Harvia's classic rectangular electric sauna heater, brushed stainless steel housing, vertical stone bed, top-loaded, paired with the external Harvia Xenio CX digital power unit for full WiFi\/app control via the MyHarvia smartphone app. Available in \u003cstrong\u003e6 kW, 8 kW, 9 kW, or 10.5 kW\u003c\/strong\u003e at 240V 1-Phase (10.5 kW also offered in 208V 3-Phase for light-commercial installations). Optional Fenix touchscreen upgrade adds Harvia's next-generation control UI.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003ePick the Right kW for Your Cabin\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEach Virta 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 volume to compensate for radiant heat loss.\u003c\/p\u003e\u003ctable style=\"border-collapse:collapse;width:100%\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f4f1ee\"\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eCabin Volume\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eAmperage\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eXenio Control\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eStones\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eVirta 6 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eStandard residential 2–3 person sauna cabins\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e210–318 cu ft\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e25 Amps\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eXenio CX30\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e3 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eVirta 8 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eStandard to large residential sauna cabins (3–5 person bench)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e280–460 cu ft\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e33.3 Amps\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eXenio CX45\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e3 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eVirta 9 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eLarge residential sauna cabins (4–5 person bench)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e318–530 cu ft\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e37.5 Amps\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eXenio CX45\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e3 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eVirta 10.5 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eThe largest residential sauna cabins (5–6 person bench) and light-commercial installations\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e388–636 cu ft\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e43.75 Amps\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eXenio CX45\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClassic rectangular electric sauna heater, brushed stainless steel housing with vertical stone bed across the front.\u003c\/li\u003e\n\u003cli\u003eTop-loaded design with floor or wall-stand mounting (Harvia heater-rated stand sold separately).\u003c\/li\u003e\n\u003cli\u003ePairs with the external \u003cstrong\u003eHarvia Xenio Smart Control\u003c\/strong\u003e power unit: CX30 for the 6 kW model, CX45 for the 8 \/ 9 \/ 10.5 kW. WiFi-enabled, MyHarvia app compatible.\u003c\/li\u003e\n\u003cli\u003eAvailable in 4 residential sizes (6 \/ 8 \/ 9 \/ 10.5 kW); 10.5 kW also offered in 208V 3-Phase for light-commercial installs.\u003c\/li\u003e\n\u003cli\u003eOptional \u003cstrong\u003eFenix Upgrade\u003c\/strong\u003e (Tier 3) adds Harvia's next-generation FX004XW touchscreen display on top of the Xenio CX.\u003c\/li\u003e\n\u003cli\u003eShips with \u003cstrong\u003e3–4 boxes of AC3020 olivine diabase stones\u003c\/strong\u003e in Tier 2+, sized for the heater's vertical stone bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listed\u003c\/strong\u003e and backed by Harvia's 2-year residential warranty.\u003c\/li\u003e\n\u003cli\u003eFor commercial-grade output above 10.5 kW, see the Virta Pro 16 kW (HL16U1) and 20 kW (HL20U3) sibling line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f4f1ee\"\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003ePackage\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;border:1px solid #ddd\"\u003eIncludes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\u003cstrong\u003eVirta Just Heater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\u003cul style=\"margin:0;padding-left:18px\"\u003e\n\u003cli\u003eHarvia Virta heater body in the selected kW size and voltage\u003c\/li\u003e\n\u003cli\u003eHeater only, Xenio CX control unit sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\u003cstrong\u003eVirta Heater + Control + Stones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\u003cul style=\"margin:0;padding-left:18px\"\u003e\n\u003cli\u003eHarvia Virta heater body in the selected kW size and voltage\u003c\/li\u003e\n\u003cli\u003eHarvia Xenio CX Smart Control (CX30 for 6 kW; CX45 for 8 \/ 9 \/ 10.5 kW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3–4 boxes of Harvia AC3020 Sauna Stones\u003c\/strong\u003e, olivine diabase, 10–15 cm, 20 kg per box. Quantity by kW: 3 boxes (6 \/ 8 \/ 9 kW), 4 boxes (10.5 kW)\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\u003cstrong\u003eVirta Heater + Control + Stones + Fenix Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\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\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\u003cstrong\u003eUltimate Package: Heater + Control + Stones + All Accessories\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;vertical-align:top\"\u003e\n        \u003cul style=\"margin:0;padding-left:18px\"\u003e\n          \u003cli\u003eEverything in the \"Virta Heater + Control + Stones\" package above\u003c\/li\u003e\n          \u003cli\u003eHarvia Virta Safety Railing Metal Parts Kit (HL3MET), factory-matched guard rail hardware for the Virta housing\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eXenio CX + Fenix Upgrade, What's the Difference?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTier 2 (\"Virta Heater + Control + Stones\") bundles the\n\u003cstrong\u003eHarvia Xenio CX\u003c\/strong\u003e Smart Control power unit (auto-matched to\nkW: CX30 for the 6 kW Virta, CX45 for the 8 \/ 9 \/ 10.5 kW Virta). The Xenio CX\nships with WiFi built in and connects to the MyHarvia smartphone app for\nremote start and scheduling.\u003c\/p\u003e\n\u003cp\u003eTier 3 (\"Virta Heater + Control + Stones + Fenix Upgrade\") adds the\n\u003cstrong\u003eHarvia Fenix FX004XW Touchscreen Display\u003c\/strong\u003e on top of the\nXenio CX, Harvia's next-generation control UI, for the\nlongest-runway platform investment as Harvia eventually transitions from\nthe Xenio control panel to the Fenix touchscreen across the product line.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSauna Stones\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery \"Heater + Control + Stones\" package (and the Fenix Upgrade tier)\nships with the correct quantity of \u003cstrong\u003eHarvia AC3020 sauna stones\u003c\/strong\u003e, olivine diabase, 10–15 cm size grade, 20 kg (44 lb) per box. The\nlarger 10–15 cm grade is preferred for Virta because the heater's tall\nvertical stone bed packs more efficiently with bigger stones, and the\nlarger thermal mass holds heat longer through repeated water throws.\nStone quantity by kW: 3 boxes (6 \/ 8 \/ 9 kW), 4 boxes (10.5 kW).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Electrical Requirements\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEvery Virta requires a dedicated \u003cstrong\u003e240V 1-Phase\u003c\/strong\u003e (or \u003cstrong\u003e208V 3-Phase\u003c\/strong\u003e on 10.5 kW light-commercial installs) circuit wired by a licensed electrician. Required amperage and wire gauge varies by kW, see the table above. Virta is UL Listed.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/18xmwdY7s99qgu0Gc3hcrQ8Du6snDAfrK\/view?usp=sharing\" title=\"Harvia Virta Installation Manual\" target=\"_blank\" rel=\"noopener\"\u003eClick Here to Download the Harvia Virta Installation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout the Harvia Virta Family\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHarvia Virta is the company's classic rectangular electric sauna heater, brushed stainless steel housing, vertical stone bed across the front,\ntop-loaded, designed to mount on either the floor or a heater-rated stand\nalong the cabin wall. The Virta delivers Harvia's signature soft, even\nlöyly across a wide range of cabin volumes from 200 cu ft up to roughly\n650 cu ft on the 10.5 kW residential variant.\u003c\/p\u003e\n\u003cp\u003eEvery Virta requires an external Harvia \u003cstrong\u003eXenio Smart Control\u003c\/strong\u003e\npower unit (CX30 for 6 kW; CX45 for 8 \/ 9 \/ 10.5 kW), the controller\nships separately and mounts outside the sauna cabin. The optional\n\u003cstrong\u003eFenix Upgrade\u003c\/strong\u003e swaps the Xenio's standard control panel\nfor Harvia's next-generation FX004XW touchscreen.\u003c\/p\u003e\n\u003cp\u003eFor commercial-grade output beyond 10.5 kW, see the Virta Pro 16 kW\n(HL16U1) and 20 kW (HL20U3) sibling line, sold separately.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhy Buy From Finnish Sauna Builders\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAs an authorized Harvia dealer, Finnish Sauna Builders sources every heater\ndirect from Harvia US (Lewisburg, WV) with full factory warranty and dealer\ntechnical support. Free shipping on all Harvia heaters; white-glove install\ncoordination available nationwide.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWarranty \u0026amp; Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHarvia Virta carries Harvia's standard 2-year residential limited\nwarranty. Finnish Sauna Builders handles all warranty claims direct, no third-party return desk.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAbout Harvia\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHarvia has been building world-class sauna heaters in Finland since 1950.\nEvery Harvia product carries forward more than 70 years of Finnish\ncraftsmanship, materials science, and a relentless focus on the perfect\nlöyly, the heated, humid burst of steam released when water meets hot\nsauna stones.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVideos\u003c\/strong\u003e\u003c\/h3\u003e\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\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","brand":"Harvia","offers":[{"title":"6 kW (210–318 cu ft) \/ Virta Just Heater \/ 240V 1-Phase","offer_id":48346935689457,"sku":"14-HL6U1","price":2017.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (210–318 cu ft) \/ Virta Heater + Control + Stones \/ 240V 1-Phase","offer_id":48346935722225,"sku":"14-HL6U1+CX+STONES","price":3176.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (210–318 cu ft) \/ Virta Heater + Control + Stones + Fenix Upgrade \/ 240V 1-Phase","offer_id":48346935754993,"sku":"14-HL6U1+CX+STONES+FX004","price":3842.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (280–460 cu ft) \/ Virta Just Heater \/ 240V 1-Phase","offer_id":48346935787761,"sku":"14-HL8U1","price":2080.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (280–460 cu ft) \/ Virta Heater + Control + Stones \/ 240V 1-Phase","offer_id":48346935820529,"sku":"14-HL8U1+CX+STONES","price":3239.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (280–460 cu ft) \/ Virta Heater + Control + Stones + Fenix Upgrade \/ 240V 1-Phase","offer_id":48346935853297,"sku":"14-HL8U1+CX+STONES+FX004","price":3905.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (318–530 cu ft) \/ Virta Just Heater \/ 240V 1-Phase","offer_id":48346935886065,"sku":"14-HL9U1","price":2143.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (318–530 cu ft) \/ Virta Heater + Control + Stones \/ 240V 1-Phase","offer_id":48346935918833,"sku":"14-HL9U1+CX+STONES","price":3621.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (318–530 cu ft) \/ Virta Heater + Control + Stones + Fenix Upgrade \/ 240V 1-Phase","offer_id":48346935951601,"sku":"14-HL9U1+CX+STONES+FX004","price":4287.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Virta Just Heater \/ 240V 1-Phase","offer_id":48346935984369,"sku":"14-HL11U1","price":2739.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Virta Heater + Control + Stones \/ 240V 1-Phase","offer_id":48346936017137,"sku":"14-HL11U1+CX+STONES","price":4279.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Virta Heater + Control + Stones + Fenix Upgrade \/ 240V 1-Phase","offer_id":48346936049905,"sku":"14-HL11U1+CX+STONES+FX004","price":4945.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Virta Just Heater \/ 208V 3-Phase","offer_id":48346936082673,"sku":"14-HL11U3","price":2739.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Virta Heater + Control + Stones \/ 208V 3-Phase","offer_id":48346936115441,"sku":"14-HL11U3+CX+STONES","price":4279.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Virta Heater + Control + Stones + Fenix Upgrade \/ 208V 3-Phase","offer_id":48346936148209,"sku":"14-HL11U3+CX+STONES+FX004","price":4945.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (210–318 cu ft) \/ Ultimate Package: Heater + Control + Stones + All Accessories \/ 240V 1-Phase","offer_id":48380150350065,"sku":"14-HL6U1+CX+STONES+ACC","price":3286.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (280–460 cu ft) \/ Ultimate Package: Heater + Control + Stones + All Accessories \/ 240V 1-Phase","offer_id":48380150382833,"sku":"14-HL8U1+CX+STONES+ACC","price":3349.0,"currency_code":"USD","in_stock":true},{"title":"9 kW (318–530 cu ft) \/ Ultimate Package: Heater + Control + Stones + All Accessories \/ 240V 1-Phase","offer_id":48380150415601,"sku":"14-HL9U1+CX+STONES+ACC","price":3731.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Ultimate Package: Heater + Control + Stones + All Accessories \/ 240V 1-Phase","offer_id":48380150448369,"sku":"14-HL11U1+CX+STONES+ACC","price":4389.0,"currency_code":"USD","in_stock":true},{"title":"10.5 kW (388–636 cu ft) \/ Ultimate Package: Heater + Control + Stones + All Accessories \/ 208V 3-Phase","offer_id":48380150481137,"sku":"14-HL11U3+CX+STONES+ACC","price":4389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/HarviaVirta10KW00.webp?v=1783445378","url":"https:\/\/finnishsaunabuilders.com\/products\/harvia-virta-sauna-heater-xenio-smart-control","provider":"Finnish Sauna Builders","version":"1.0","type":"link"}