Harvia Pro 20 LS Pro Series LS, 24.1kW, Sauna Wood Stove with Water Tank

The Harvia Pro 20 LS is a 24.1kW wood-burning sauna stove designed for cottage-style sauna installations and rooms ranging from 283 to 706 cubic feet. Its fixed 30-liter water tank is positioned on the left side of the stove, providing a convenient integrated water-heating solution alongside the wood-burning heater. The Pro 20 LS features a graphite black outer casing with stainless steel on the front, creating a durable and distinctive design. A large glass door provides a clear view of the fire while the stove’s substantial stone capacity supports strong heat and steam production. Designed for floor installation, the Pro 20 LS measures 23 inches wide, 20 inches deep, and 30 inches high, with a net weight of 132.3 lbs. The stove requires a minimum of 88 lbs of sauna stones, sold separately. Specified safety clearances are 12 inches at the front, 4 inches at the sides and rear, and 52 inches at the ceiling. The minimum room height is 81 inches.

Key Features

• 24.1kW Wood-Burning Heating – Suitable for sauna rooms from 283–706 cu. ft.

• 30-Liter Fixed Water Tank – Integrated on the left side of the stove.

• 88 lb Stone Requirement – Requires a minimum of 88 lbs of sauna stones , sold separately.

• Hearty Steam Production – Large stone capacity supports substantial heat and steam.

• Black & Stainless Design – Graphite black outer casing with stainless steel front.

• Large Glass Door – Provides a clear view of the fire.

• Floor Installation – Designed for floor-mounted sauna installations.

• Steel Construction – Durable steel body.

• Dimensions – 23"W × 20"D × 30"H.

• Net Weight – 132.3 lbs (60 kg).

• Front Clearance – 12" from non-combustible surfaces.

• Side Clearance – 4" from non-combustible surfaces.

• Back Clearance – 4" from non-combustible surfaces.

• Ceiling Clearance – 52".

• Minimum Room Height – 81".

• Warranty – 1-year limited warranty for consumer and commercial use.