Harvia 240 Duo sauna heater stainless steel firebox with window and exterior stone basket
Harvia 240 Duo sauna heater wood burning stove with visible fire and large sauna stone basket
Harvia 240 Duo sauna heater wood burning stove with visible fire and stones in modern wooden sauna
Harvia 240 Duo sauna heater installed in modern white paneled room with glass door fire and wood floor

Harvia 240 Duo Wood-Burning Sauna Stove with Fireplace Door

Regular price$2,620.00
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Shipping calculated at checkout.

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Important Notice: This product is not eligible for White Glove Delivery or Installation Service.

The Harvia 240 Duo is a premium wood-burning sauna stove that combines powerful sauna heating with the charm of a cozy fireplace. With its through-the-wall firebox, you can load wood from an adjoining lounge or changing room while enjoying the warm glow of a fire. Engineered in Finland, the 240 Duo is built for medium to large saunas, delivering reliable performance, high stone capacity, and timeless design.

Key Features

  • Efficient Heat Output: Heats sauna rooms from 353 to 848 cu. ft. (10–24 m³)
  • Dual-Room Fireplace Design: Firebox door opens into an adjacent space for convenience and ambiance
  • Large Glass Door: Provides a fireplace view while monitoring your fire
  • Wood-Fired Operation: Authentic sauna experience without electricity—ideal for off-grid setups
  • High Stone Capacity: Holds up to 110 lbs (50 kg) for long-lasting heat and steam
  • Durable Build: Heavy-duty black steel body ensures lasting performance
  • Optional Accessories: Compatible with Harvia chimney systems and water tanks (sold separately)

Specifications

Model Harvia 240 Duo
Sauna Room Size 353–848 cu. ft. (10–24 m³)
Stone Capacity 110 lbs (50 kg)
Dimensions (W × D × H) 17.7″ × 25.6″ × 30.7″ (450 × 650 × 780 mm)
Weight ~166 lbs (75.5 kg) without stones
Color Black steel
Installation Floor-mounted, through-wall design
Chimney Connection Top or rear flue outlet, 115 mm
Water Tank Compatible Yes – optional 20L or 30L tanks available (sold separately)
Warranty 2-Year Residential / 1-Year Commercial

Why Choose the Harvia 240 Duo?

The Harvia 240 Duo is more than a heater—it’s a multi-sensory sauna solution. Its large stone bed produces abundant, soft steam while the glass fireplace door adds cozy ambiance to your adjoining space. Whether for a cabin, home spa, or traditional Finnish sauna, this model offers unmatched quality and atmosphere.

Perfect For

  • Medium to large sauna rooms (10–24 m³)
  • Cabins and off-grid installations
  • Homeowners seeking both sauna heat and fireplace ambiance
  • Traditional sauna enthusiasts

Why Buy from MyLuxuryHomeSpa.com?

  • Official Harvia dealer – full manufacturer warranty
  • Fast, free U.S. shipping on all sauna stoves
  • Best price guarantee on every Harvia product
  • Expert sauna support for chimney kits, water tanks, and installation

Order your Harvia 240 Duo today and transform your sauna into a retreat with both powerful wood-fired heat and inviting fireplace ambiance.

Pro Tip: Pair your Harvia 240 Duo with an optional side-mount water tank to enjoy traditional steam bursts (löyly) along with steady radiant heat.

 

Technical Data Sheet

Installation and Operation Manual

Warranty

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FAQs

Shipping & Delivery

Free curbside shipping on all orders. White-glove delivery/setup available at checkout in most areas. We’ll confirm your preferred date after purchase.

Warranty

Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.

Returns

New, uninstalled items can be returned within the brand’s policy window. We’ll help coordinate pickup and any restocking requirements.

Installation & Power

Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.

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