
The Harvia Linear 28 Wood-Burning Sauna Stove Heater (Black) is a powerful source of glowing heat, designed to create a truly magnificent sauna experience in smaller spaces. With its simple, sculptural form, it brings a sense of timeless style to any sauna. Through the cast-iron glass door, the natural flame adds a warm, inviting glow that enhances the atmosphere and ritual of bathing. The door’s opening direction can also be adjusted for added convenience. Engineered with precision, the fire chamber and combustion air channels are designed for fast heating and cleaner burning, ensuring both efficiency and performance. Meeting the rigorous standards of CE certification, the Harvia Linear 28 blends traditional wood-burning warmth with modern craftsmanship—delivering reliability, beauty, and comfort in one refined heater.
The recommended size of the sauna room is 10-28 m3, and the maximum amount of stones is 50 kg.
Key Features:
- Floor-Mounted
- Black Steel Frame
- Wood-Burning
- Cleaner Burn
- Meets requirements for CE-marking
*Sauna Heaters are not sold separately - a sauna must be purchased in conjunction with the purpose of any sauna heater or sauna heater package.
Features:
- floor Mounted
- Black steel frame
- Wood-Burning
- Cleaner burn
- Meets requirements for CE-marking
How to Pile Sauna Heater Stones
The piling of the sauna stones has a great effect on both the safety and the heating capability of the heater, especially for electric heaters. Always check that you have the right heater stone size and amount needed
(from the manual included with the heater). Smaller 5-10 cm diameter stones are usually used in electric heaters as they fit well between heating elements. Smaller stone sizes are also used on the top layer of woodburning heaters as they create more surfaces for steam generation. Larger 10-15 cm diameter stones are used in woodburning heaters and also in selected Harvia electric heaters with larger stone capacity.
Start the stone piling by washing off the dust from the stones before placing them into the heater. Be aware, that the type and the shape of the heater affect the piling structure of the stones. Your best guide for doing this properly for your selected heater is to follow the instructions included in the heater manual. Here are a few important tips for piling sauna heater stones for all Harvia heater types.
Piling Sauna Heater Stones:
- Do not just drop stones into the heater
- Arrange the stones evenly and sparsely to make sure air can flow between the stones
- Do not form a high pile of stones on top of the heater
- Do not place stones on top of heater frame
- Place elongated stones vertically in the heater
Extra Tips:
- Do not wedge stones between the heating elements
- Pile the stones so that they support each other instead of lying their weight on the heating elements
- Support the heating elements with stones so that the elements don’t bend
New stones may give the sauna a natural stone scent during the first heating. After piling the stones, we recommend heating the sauna and throwing enough water to douse all the heater stones. By doing this the unwanted stone scent will be dispersed after the first heating.
Technical
Features
User group | Households |
Power output | 22 kW |
Installation location | Floor |
Installation orientation | - |
Technical documentation languages | DE EN ET FI RU SV |
Color | Black |
Main material | Steel |
Use environment | Interior - wet area |
Prime energy/fuel | Wood |
Measurements
Product height | 850 mm |
Product width | 450 mm |
Product depth (mm) | 510 mm |
Stone sizes | Ø10–15 cm |
Weights
Net weight (kg) | 60.6 kg |
Stone amount (kg) | 50 kg |
Water container volume | - |
Distances
Safety distance front (non-combustible materials) | 500 mm |
Safety distance front (combustible materials) | 500 mm |
Safety distance side (non-combustible materials) | 400 mm |
safety distance to the side wall (combustible materials) | - |
Safety distance behind (non-combustible materials) | 100 mm |
Safety distance behind (combustible materials) | 400 mm |
Safety distance right side (combustible materials) | 400 mm |
Safety distance right side non-combustible materials | 100 mm |
Safety distance left side (combustible materials) | 400 mm |
Safety distance left side non-combustible materials | 100 mm |
Safety distance (Ceiling) | 1380 mm |
Installation opening height | - |
Installation opening width | - |
Installation opening depth | - |
Room min. recommended volume | 10 m³ |
Room max. recommended volume | 26 m³ |
Room min. height(depends on connections and therefore from output, star/delta) | 2430 mm |
Logistics
Package height | 880 mm |
Package width | 495 mm |
Package depth | 535 mm |
Gross weight | 62.7 kg |

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