Harvia Virta Combi HL90SA – 9.0kW Steam Sauna Heater for Rooms Up to 494 cu. ft

Transform your sauna into a luxurious home spa with the Harvia Virta Combi HL90SA, a premium 9.0kW electric sauna heater and steamer combo engineered to power sauna rooms up to 494 cubic feet. This versatile and powerful unit lets you enjoy a variety of sauna experiences — from a traditional dry sauna to a relaxing steam sauna, a fragrant herbal sauna, or an aromatic wellness session — all with one elegant, high-performance heater.

Built with durable stainless-steel construction and industrial-grade heating elements, the Virta Combi HL90SA delivers exceptional performance and longevity. Its innovative design includes designated compartments for fragrance liquids and bags, allowing you to infuse your sauna sessions with soothing aromas for a true spa-like atmosphere. With a 5-liter built-in water reservoir, this unit produces soft, humid steam for enhanced relaxation and deeper wellness benefits.

The Harvia Virta Combi offers flexible installation options, including sidewall or corner floor mounting, and is compatible with the Harvia Xenio control system (sold separately) for precise and convenient temperature and steam management. Designed and handcrafted in Finland, the birthplace of sauna culture, this heater embodies Scandinavian quality and innovation.

Ideal for both residential and light commercial use, the Virta Combi HL90SA is the ultimate upgrade for those who want to elevate their sauna experience with steam, fragrance, and a customizable atmosphere.

Key Features:

• Powerful 9.0kW heater – heats sauna rooms from 177 to 494 cu. ft.

• 2-in-1 heater and steamer – enjoy traditional, steam, herbal, or fragrance saunas

• 5-liter water reservoir for soft, humid steam and enhanced relaxation

• Fragrance compartments for essential oils and herbal bags

• Durable stainless-steel construction with stainless steel elements

• Direct rock-to-element contact for efficient, even heat

• Automatic and manual water filling options

• Sidewall or corner floor-mount installation for flexible setup

• Works with Harvia Xenio Control (sold separately)

• Industrial-grade, serviceable heating elements for long-lasting use

• Made in Finland – built with authentic sauna craftsmanship

• Dimensions: 16"W x 16"D x 33"H

• 2-Year Consumer Warranty

Specifications:

• Model: Virta Combi HL90SA

• Power: 9.0kW

• Sauna Room Size: 177 – 494 cu. ft.

• Water Reservoir: 5 liters

• Stone Requirement: Minimum 100 lbs (3 boxes – AC3020)

• Construction: Stainless steel

• Installation: Sidewall or corner, floor-mounted

• Dimensions: 16"W x 16"D x 33"H

• Warranty: 2 years (consumer use)

• Origin: Designed and made in Finland

Included:

• Harvia Virta Combi HL90SA Sauna Heater

• Integrated Water Reservoir

• Installation & Operation Manual

• 2-Year Warranty (Consumer Use)

Harvia AC3020 – Sauna Heater Stones, Split-Face 10–15 cm, 44 lbs (3 boxes)

Enhance the performance, efficiency, and authentic feel of your sauna with Harvia AC3020 Split-Face Sauna Heater Stones. Sourced and selected according to traditional Finnish sauna practices, these premium 10–15 cm stones are designed specifically for Harvia electric sauna heaters and wood-burning stoves. Each 44 lb box contains natural, angular stones that deliver soft, even heat and help create the true sauna atmosphere cherished in Nordic wellness culture.

The split-face design of the Harvia AC3020 stones maximizes surface area, allowing them to store more heat and evaporate water efficiently — resulting in smooth, gentle steam for an enhanced sauna experience. Their angular shape also ensures optimal airflow between stones and heating elements, a critical factor in extending the lifespan of your sauna heater and achieving consistent heating performance.

Because each natural stone is unique in size and shape, we recommend purchasing an additional box to hand-select the best stones for ideal fit, form, and function. With their superior heat retention, efficient steam production, and excellent air circulation, Harvia sauna stones are the only correct choice for achieving the best performance from your sauna heater or stove.

Key Features:

• Premium split-face sauna stones – size range 10–15 cm

• 44 lbs per box – ideal for Harvia sauna heaters and wood-burning stoves

• Traditional Finnish selection process ensures authentic sauna quality

• Maximized surface area for superior heat storage and soft, even steam

• Efficient water evaporation for a smoother, more enjoyable sauna experience

• Angular shape promotes proper air circulation between stones and heating elements

• Improves heater longevity and performance by preventing overheating

• Recommended extra box for selecting the best-fitting stones

Specifications:

• Model: Harvia AC3020

• Stone Size: 10–15 cm (split-face)

• Weight: 44 lbs per box

• Material: Natural Finnish sauna stones

• Compatibility: Electric sauna heaters and wood-burning stoves

• Manufacturer: Harvia – Made in Finland

What’s Included:

• 3 boxes of 44 lbs of Harvia AC3020 Split-Face Sauna Stones 

HUUM HIVE Mini 10.5STU – 10.5kW Sauna Heater Package with UKU local or wifi Control & 330 lbs Sauna Stones

Create the ultimate sauna experience with the HUUM HIVE Mini 10.5STU sauna heater package, a complete solution including the HIVE Mini 10.5kW sauna heater, UKU local control with optional Wi-Fi, and 330 lbs of premium Olivine diabase sauna stones. Designed and precision-engineered in Estonia, the HIVE Mini brings a European sauna tradition to your home while supporting sauna rooms up to 566 cubic feet.

The HIVE Mini 10.5kW heater features a sleek, elegant design with stainless steel construction and industrial-quality heating elements. The direct stone-to-element contact ensures a long, mild heat while the pre-installed air tunnel accelerates heat-up times and extends element life. Adjustable floor legs allow flexible installation, while the large stone capacity provides superior steam and a traditional sauna experience.

Control your sauna with the UKU smart control panel, which offers multiple languages, temperature settings from 104–230°F, delayed start up to 48 hours, optional Wi-Fi for mobile app operation, child safety lock, and connectivity to sauna lights and ventilation. Rounded Olivine diabase stones (2–4” / 5–10 cm) complement the heater design, retain heat efficiently, and deliver a smooth, soft steam.

Whether you prefer a traditional sauna, a milder steam, or smart-controlled heat, the HUUM HIVE Mini 10.5STU package gives you all the essentials for a luxurious sauna retreat at home.

Key Features:

• Complete sauna heater package: HIVE Mini 10.5kW, UKU local or wifi control, 330 lbs sauna stones

• Sauna room size: 354–566 cubic feet

• Elegant, European-designed heater with stainless steel construction

• Direct stone-to-element contact for smooth, lasting heat

• 330 lbs Olivine diabase sauna stones, 2–4" (5–10 cm)

• Floor-mounted heater with adjustable legs and pre-installed air tunnel

• UKU control: temperature, timer, delayed start, Wi-Fi compatibility

• Multi-language display, child safety lock, and overheat protection

• Industrial-grade, serviceable heating elements

• Designed, engineered, and made in Estonia

• Limited 3-year residential and 1-year commercial warranty

What’s Included:

• HIVE Mini 10.5kW Sauna Heater with Air Tunnel & Adjustable Legs

• UKU Control Console & Main Module, Temperature & Door Sensors

• 330 lbs of 2–4” Olivine diabase sauna stones

• Installation and Operation Manuals

Enhance your SaunaLife outdoor sauna experience with our premium selection of sauna heaters, controls, and essential components, designed to deliver superior performance, energy efficiency, and lasting durability. Whether you’re building your dream sauna or upgrading an existing setup, we offer high-quality electric heaters, traditional wood-burning stoves, digital control panels, and accessories that perfectly complement SaunaLife Cube-Series, Garden-Series, and other home sauna models.

From sleek wall-mounted electric heaters to powerful wood-burning stoves, each unit is crafted for optimal heat distribution, reliable performance, and authentic sauna steam. Pair your heater with advanced digital control systems for easy temperature, humidity, and lighting adjustments — even remotely via Wi-Fi. Complete your setup with essential components such as installation bases, sauna stones, humidity sensors, and ventilation kits to ensure maximum safety, comfort, and efficiency.

Our collection includes trusted brands like Harvia, HUUM, and Narvi, all renowned for their quality craftsmanship, innovative technology, and Scandinavian design. Whether you’re looking for a compact 4.5kW heater for a small 2-person sauna or a powerful 16kW wood-burning stove for larger spaces, we have the perfect solution for your needs.

Need help choosing the right heater or accessories for your SaunaLife sauna?
Our sauna experts are here to guide you every step of the way. For personalized recommendations, installation support, or product compatibility questions, contact us at support@theradiawellness.com.

Key Features:

• Wide range of electric and wood-burning sauna heaters for all sauna sizes

• Digital and Wi-Fi-enabled control panels for precise temperature and humidity management

• Essential sauna components: installation bases, sauna stones, sensors, and more

• Compatible with SaunaLife Cube-Series, Garden-Series, and custom home saunas

• Trusted global brands: Harvia, HUUM, Narvi

• Designed for efficiency, durability, and authentic Finnish sauna experiences

• Expert support and installation guidance available

Transform your SaunaLife outdoor sauna into a personalized wellness retreat with the perfect combination of heater, controls, and components.

SAUNA LIFE SAUNA LIMITED LIFETIME WARRANTY

Sauna Life extends this Limited Warranty solely to the original retail consumer purchaser of any Sauna Life sauna purchased from one of its authorized resellers.

LIMITED LIFETIME SAUNA WARRANTY

Sauna Life warrants that the Sauna Life sauna shall be free from defects in workmanship under normal conditions of use and service for the lifetime of the sauna for residential applications after delivery to the original retail purchaser. This warranty is limited to making good any factory assembled component which in the judgment of Sauna Life is deemed defective in workmanship. The warranty does not cover normal material wear, natural weathering of the lumber, or installation or delivery of components and applies only to the original retail purchaser.

WARRANTY PERFORMANCE

For any warranty service, Sauna Life reserves the right to choose, at its option, repair of the problem or a replacement of the defective part. Sauna Life reserves the right to substitute a part or component of

equivalent value, either new or factory reconditioned, and any such repair or replacement shall assume as its warranty only the remaining portion of the warranty on the original product. In the event Sauna Life chooses to repair any malfunction or defect covered by this warranty, a return authorization will be is- sued, and the component will be returned prepaid freight to Sauna Life for repair of the defect. Sauna Life will then ship the component back the original retail purchaser upon completion of the repair. Prior to any return, contact Sauna Life at: Sauna Life, 511 Glenn Avenue, Wheeling, Illinois 60090, telephone number: (800) 957-2862, for packaging and shipping instructions and a return authorization number. In addition, Sauna Life will require photographs of any defect and reserves the right to inspect or designate an agent to inspect any part that is claimed to be defective and covered by this warranty. Labor charges and related expenses for removal, installation, or replacement of the sauna or its components are not covered under this warranty. Normal wear and tear, cosmetic issues or changes to individual pieces of lumber due to nat- ural aging and weathering are not covered. Sauna heaters and added components are not covered by this warranty.

ACTS INVALIDATING WARRANTY

This warranty is void if the Sauna Life sauna has been subject to alteration, misuse or abuse, commercial use, or if any repairs on the sauna are attempted by anyone other than an authorized representative of Sauna Life. Alteration shall include, but is not limited to, deviation from the original assembly instructions, component change, or the addition of any non-approved device or heating system, which contributes to a component or unit failure, or unsafe operating system. Use of the sauna in an application for which it is not designed will void this warranty. This includes, but is not limited to, damage caused by operation above safe sauna operating temperatures, damage caused by added components, damage to the sauna’s surface caused by harsh chemicals, damage caused by movement of the product, and damage caused by acts of God.

DISCLAIMERS

Except as expressly provided above, Sauna Life makes no other representation or warranty, express or im- plied, either in fact or operation of law, statute, or otherwise, and Sauna Life specifically disclaims any and all implied or statutory warranties, including warranties or merchantability and of fitness for a particular purpose. Sauna Life shall not be liable for loss of use of the Sauna Life sauna or other incidental or conse- quential costs, expenses, or damage, which may include but are not limited to, the removal of or reinstal- lation of a wall, deck or other fixture, water leakage, costs of shipping or packaging, applicable taxes, or the payment of any costs or expenses of disassembly, removal, or reinstallation of the product or any part. Your rights may vary from state to state. Under no circumstances shall Sauna Life or its representatives be held liable for injury to any person or damage to any property, however arising, even if caused by the Sau- na Life Sauna or its representatives’ negligence. No distributor, salesperson, dealer, retailer, or other rep- resentative of Sauna Life has the authority to alter or change these warranties either orally or in writing.

Flat Rate Freight: Flat rate shipping to the contiguous United States.  Note: On rare occasions, remote or complex delivery areas may not qualify for these rates. 

About This Delivery: The weight and packaging of this handcrafted tub requires delivery by special appointment. It arrives on a wooden pallet encased in wood for solid protection. The driver is responsible for “curbside delivery only” and will lower the item to ground level. Prior to shipping this product, we often contact customers to share shipment details and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses. Our goal is to ensure your project’s success.