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Harvia 20 Holz Saunaofen in Weiß mit offener Feuerraumtür und Aufgussstein-Behälter oben, Innen- und Außenbefeuerung
Harvia 36 Holz Saunaofen mit Komponenten: Elektrofen mit Flammensichtscheibe, Steinekammer und Steuereinheit
Luxuriöse Sauna-Innenansicht mit Harvia Holz-Saunaofen, Holzverkleidung, atmosphärischer LED-Beleuchtung und Saunabänken
Innenraum einer Sauna mit Holzverkleidung, beidseitig angebrachten Sitzbänken, Harvia Saunaofen mit Schutzgitter in der Mitte und warmem Lichtambiente
Harvia 20 Holz-Saunaofen mit Außenbefeuerung in rustikaler Holzsauna installiert, seitliche Ansicht
Harvia 20 Saunaofen mit Holzfeuerung, brennendem Feuer im Sichtfenster und Saunasteinen auf der Oberseite
Harvia 20 Holz-Saunaofen mit schwarzem Korpus, weißer Frontblende, Feuerraum und Saunasteine oben, Innen- und Außenbefeuerung möglich.
Harvia 20 Holz-Saunaofen mit schwarzem Stahlgehäuse, sichtbarem Feuer im Brennraum und beladener Steinschale oben
Technische Zeichnung eines Harvia SL 20 Saunaofens mit externer Wasserspeicher-Montagebeispiel und Maßangaben für die Rohrverlegung
Harvia 20 Holzofen-Saunaofen mit brennendem Feuer, Saunasteine oben, grau-schwarzes Design und Holzbefeuerung sichtbar.
Harvia Holz-Saunaofen mit brennendem Feuer im Feuerraum, graue Oberseite mit Saunasteinen, schwarze Gehäuseseiten und Holzfach unten
Harvia 20 Holz Saunaofen in Weiß mit offener Feuerraumtür und Aufgussstein-Behälter oben, Innen- und Außenbefeuerung
Harvia 36 Holz Saunaofen mit Komponenten: Elektrofen mit Flammensichtscheibe, Steinekammer und Steuereinheit
Luxuriöse Sauna-Innenansicht mit Harvia Holz-Saunaofen, Holzverkleidung, atmosphärischer LED-Beleuchtung und Saunabänken
Innenraum einer Sauna mit Holzverkleidung, beidseitig angebrachten Sitzbänken, Harvia Saunaofen mit Schutzgitter in der Mitte und warmem Lichtambiente
Harvia 20 Holz-Saunaofen mit Außenbefeuerung in rustikaler Holzsauna installiert, seitliche Ansicht
Harvia 20 Saunaofen mit Holzfeuerung, brennendem Feuer im Sichtfenster und Saunasteinen auf der Oberseite
Harvia 20 Holz-Saunaofen mit schwarzem Korpus, weißer Frontblende, Feuerraum und Saunasteine oben, Innen- und Außenbefeuerung möglich.
Harvia 20 Holz-Saunaofen mit schwarzem Stahlgehäuse, sichtbarem Feuer im Brennraum und beladener Steinschale oben
Technische Zeichnung eines Harvia SL 20 Saunaofens mit externer Wasserspeicher-Montagebeispiel und Maßangaben für die Rohrverlegung
Harvia 20 Holzofen-Saunaofen mit brennendem Feuer, Saunasteine oben, grau-schwarzes Design und Holzbefeuerung sichtbar.
Harvia Holz-Saunaofen mit brennendem Feuer im Feuerraum, graue Oberseite mit Saunasteinen, schwarze Gehäuseseiten und Holzfach unten

Harvia 20 wood-burning Sauna Heater | Internal & external firing

by Harvia
€989,00 - €1.051,00
€1.051,00
€989,00 - €1.051,00
€1.051,00

incl. VAT

Type: Harvia 20 ES Pro

Harvia 20 Series – Your entry into the world of wood-fired sauna heaters 

Experience the authentic warmth of a Finnish sauna heater with the Harvia 20 series. These heaters stand for the highest quality, durability, and an incomparable sauna experience. Whether you have a Barrel Sauna, Outdoor Sauna, or classic sauna, Harvia has the right heater for you. 

Why the Harvia 20 series is the perfect choice

Powerful and efficient

With an output of18 to 26.1 kW, the Harvia 20 series heats your sauna quickly and evenly. Whether you have a small or medium-sized cabin, these heaters are perfect for rooms with a volume of 8 to 20 m³.

High-quality materials and workmanship

The stoves are made of stainless steel and have been designed for a long service life. The robust design can withstand high temperatures and guarantees you a durable product.

Tradition meets modernity

Enjoy the crackling wood fire and the pleasant warmth—a feeling that only wood-fired sauna stoves can provide. At the same time, the stoves offer practical features such as large viewing windows through which you can watch the fire and optional accessories for even more comfort.

Sustainable and environmentally friendly

With efficient combustion and sophisticated design, Harvia 20 sauna heaters consume less wood while still offering maximum performance.

Perfect for German requirements

Many models in the Harvia 20 series can be equipped with a BImSchV kit to meet German environmental requirements. So nothing stands in the way of your sauna experience!

The advantages at a glance:

  • Versatility: Suitable for barrel saunas, Outdoor Saunas, and classic sauna cabins. 
  • Efficiency: Fast heating and long-lasting warmth. 
  • Elegant design: Fits seamlessly into any sauna concept. 
  • Safety: A safety handle and well-thought-out design protect against overheating. 
  • Heat distribution: Uniform temperatures for a comfortable sauna experience. 
  • Easy maintenance: Large cleaning openings make maintenance easy. 

Harvia – A brand with tradition

Harvia is a Finnish family business with over 70 years of tradition. It stands for innovation, craftsmanship, and a love of saunas. With the Harvia 20 series stoves, you can bring a piece of this history into your home. 

Technical highlights of the Harvia 20 series:

  • Power: 18–26.1 kW
  • Cabin size: For volumes from 8 to 20 m³
  • Material: Stainless steel
  • Combustion chamber size: For logs up to 51 cm in length
  • Stone quantity: Maximum 40 kg
  • Distances: Safe distance from walls and ceiling, adapted to modern safety standards

Your step towards the perfect sauna

Whether you are planning your first sauna or looking for an upgrade, the Harvia 20 series is the right choice for you. What are you waiting for? Start your own personal wellness oasis now with a wood-fired Sauna Heater that combines tradition, quality, and comfort. 

 A chimney sweep should be consulted before purchasing a wood-burning stove, regardless of country-specific legal regulations.
Main differences between the models at a glance:
Model Service Firing Water boiler
Connection		 BImSchV-
compliant		 Ideal for
20 Duo 18 kW Externally fired No No Medium-sized saunas (8-20 m³)
20 Pro 24.1 kW Indoor heating No Optional Fast heating, all-rounder
20 Pro SL 24.1 kW Externally fired No Optional BarrelOutdoor Saunas (8-20 m³)
20 RS Pro 26.1 kW Indoor heating On the right-hand side No Large cabins, water connection
20 LS Pro 26.1 kW Indoor heating On the left No Large cabins, water connection
20 ES Pro 26.1 kW Indoor heating Integrated Optional Saunas with water requirements

Which differences are particularly important to you?

  • Firing: Internal or external firing – externally fired models such as the Duo or Pro SL are perfect if you want a separate heating chamber.
  • Performance: The 20 Duo (18 kW) is sufficient for smaller saunas, while models such as the 20 Pro or the RS/LS variants with up to 26.1 kW provide more intense heat for large cabins.
  • Additional features: Some models (e.g., ES and RS/LS) offer water connections or integrated boilers—ideal for added convenience.
Specifications

 Harvia 20 Duo Harvia 20 ES Pro Harvia 20 LS Pro Harvia 20 Pro Harvia 20 Pro S Harvia 20 RS Pro
Width 430 mm 430 mm 580 mm 430 mm 430 mm 580 mm
Height 760 mm 760 mm 760 mm 760 mm 760 mm 760 mm
Depth 510 mm + 280 mm 650 mm 510 mm 510 mm 510 mm + 210 mm 510 mm
Weight 80 kg 75 kg 65 kg 60 kg 70 kg 65 kg
Service 18 kW 26.1 kW 24.1 kW 24.1 kW 24.1 kW 24.1 kW
Operating instructions Operating instructions 20 Duo Operating instructions 20 ES Pro Operating instructions 20 LS Pro Operating Instructions 20 Pro Operating Instructions 20 Pro Operating instructions 20 RS Pro
Declaration of performance Performance declaration 20 Duo Performance declaration 20 ES Pro Performance declaration 20 LS Pro Declaration of performance 20 Pro Declaration of performance 20 Pro Performance declaration 20 RS Pro

Customer reviews

4.94 ★ (101)
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FinA Wellness Store

What should I look out for before ordering?

Please check all relevant information about the product (dimensions, technical requirements, power/water connections, space requirements, delivery conditions) before ordering. If you have any questions, we recommend a consultation before purchasing, especially for larger wellness products.

Which payment methods are accepted?

We accept the following payment methods:

  • PayPal
  • Store Pay
  • Visa
  • Mastercard
  • American Express
  • Maestro
  • UnionPay
  • Apple Pay
  • Google Pay
  • USDC
  • Bancontact
  • EPS
  • iDEAL
  • Klarna
When is the load applied?

The amount is debited at the time the order is completed or according to the selected payment method. For payment services such as Klarna, the respective payment terms of the provider also apply.

Can I change or cancel my order at a later date?

Changes or cancelations are possible as long as the order is not yet in production, commissioning or shipping. Please contact us immediately after placing your order.

Are there any restrictions on the right of withdrawal?

Yes, custom-made products, special designs and individually configured goods are excluded from the statutory right of withdrawal. We will clarify transparently whether a product falls under this before or at the latest when the order is placed.

How long does the delivery take and will I be informed?

The delivery time is indicated directly with the respective product. These are valid as long as the item is in stock. Deviating, individually agreed delivery times have priority. We will actively inform you in the event of delays. You will receive ongoing information on the shipping status.

How does delivery by forwarding agent work?

Delivery is standard free curbside. This means that the goods are delivered to the nearest point that can be reached by truck.

Important:

  • Access for trucks must be possible
  • Sufficient clearance width and height required
  • The customer is responsible for transportation from the curb
  • If required, additional services (e.g. delivery to the installation site) can be arranged in advance
Can I set a preferred delivery date?

Delivery date requests will be considered if possible. The shipping company will usually contact you one to two days before delivery to arrange an appointment. Fixed dates or times cannot be guaranteed. Express deliveries with exact delivery dates are possible on request.

What applies in the event of damage, missing parts or subsequent defects?

Please check the goods immediately upon delivery. Transport damage or missing parts must be documented and reported immediately with photos/videos.

The statutory warranty of 2 years applies to defects. We examine every case and take care of repair, replacement or an appropriate solution.

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