The Harvia 26 Pro is a high-capacity wood-burning sauna stove built for medium to large sauna rooms. Rated at 26.6 kW, it covers sauna spaces from 353 to 918 adjusted cubic feet and delivers consistent, long-lasting heat through a generously sized stone compartment. The cast-iron glass door adds a view of the fire during sessions, while the graphite black steel body and adjustable legs make it a practical and well-finished choice for traditional wood-fired sauna installations.
Why Customers Choose This Stove
- 26.6 kW output covers sauna rooms from 353 to 918 adjusted cubic feet
- Cast-iron glass door for fire viewing and enhanced heat retention
- Large stone compartment holds a minimum of 111 lbs of sauna stones
- Adjustable legs for flexible floor installation and leveling
- Includes an ash box for straightforward cleaning and maintenance
- Flue connection available from the top or back for installation flexibility
- Designed and manufactured in Finland by Harvia
Product Highlights
26.6 kW Output for Medium to Large Sauna Rooms
The Harvia 26 Pro is rated for sauna rooms between 353 and 918 adjusted cubic feet, making it one of the higher-capacity wood-burning options in the Harvia lineup. It is suited to larger home saunas and cottage sauna rooms that require sustained, powerful heat.
Cast-Iron Glass Door
The cast-iron glass door allows bathers to view the fire during sessions. It also contributes to heat retention and gives the stove a distinctive, traditional appearance.
Large Stone Compartment
A minimum of 111 lbs of sauna stones (approximately 3 boxes of AC3020 stones, sold separately) is required. The large compartment supports traditional löyly and even steam distribution throughout the session.
Adjustable Legs and Ash Box
Adjustable legs allow the stove to be leveled on uneven floors during installation. The included ash box simplifies routine cleaning after each use.
Flexible Flue Connection
The flue can be connected from the top or the back of the stove, providing flexibility to accommodate different chimney configurations and room layouts.
Graphite Black Steel Construction
The outer body is constructed from durable graphite black steel, built to withstand the high-heat conditions of regular wood-fired sauna use.
Specifications
| Model | Harvia 26 Pro |
|---|---|
| Fuel Type | Wood-Burning |
| Power Output | 26.6 kW |
| Room Coverage (Adjusted) | 353 – 918 cubic feet |
| Minimum Room Height | 82.2" (2,090 mm) |
| Minimum Stone Load | 111 lbs / approx. 3 boxes (AC3020, stones not included) |
| Max Firewood Length | 15" (390 mm) |
| Firewood Diameter | 3–5" (80–150 mm) |
| Flue Connection | Top or back |
| Door Type | Cast-iron glass door |
| Outer Casing | Graphite black steel |
| Legs | Adjustable |
| Ash Box | Included |
| Width | 16.9" (430 mm) |
| Depth | 20" (510 mm) |
| Height | 32" (810 mm) |
| Heater Weight | 127 lbs |
| Electricity Required | No |
| Country of Origin | Finland |
| SKU | 120-WKPR26M |
What's in the Box
- Harvia 26 Pro Wood-Burning Sauna Stove
- Ash Box
- Adjustable Legs
- Installation and Operations Manual
Ideal For
- Medium to large home sauna rooms between 353 and 918 adjusted cubic feet
- Cottage and cabin saunas where wood-fired heating is preferred
- Off-grid installations without access to electrical infrastructure
- Users who want a high-output stove with a traditional glass-door aesthetic
- Sauna rooms with flexible chimney configurations requiring top or rear flue connection
Important Information
- A properly installed chimney system is required for safe operation. Consult a qualified installer and refer to the chimney installation manual to ensure compliance with local building and fire codes.
- A minimum of 111 lbs of sauna stones must be loaded before use. Sauna stones are sold separately. Use only stones rated for sauna use — do not use river rocks or decorative stones.
- Maximum firewood length is 15" (390 mm) with a diameter of 3–5" (80–150 mm). Use only dry, seasoned hardwood. Do not burn treated wood, painted wood, garbage, or accelerants.
- Maintain required clearance distances from combustible walls, ceilings, and materials as specified in the installation manual.
- A non-combustible floor protection area is required beneath and around the stove. Consult local building codes for specific requirements.
- The minimum sauna room height for this stove is 82.2" (2,090 mm). Verify your room dimensions before purchasing.
- Never leave a wood-burning stove unattended while in operation.
- Review the full installation and operations manual before beginning installation or first use.
Frequently Asked Questions
What size sauna room is the Harvia 26 Pro designed for?
The Harvia 26 Pro is rated for sauna rooms between 353 and 918 adjusted cubic feet. Adjusted cubic footage accounts for wall insulation, ceiling height, and the presence of glass or tile surfaces. The minimum room height is 82.2" (2,090 mm). Use a sauna heater sizing guide to calculate your room's adjusted cubic footage before purchasing.
Does the Harvia 26 Pro require electricity?
No. The Harvia 26 Pro is a fully wood-burning stove and does not require any electrical connection. This makes it well-suited for off-grid cabins, cottages, and sauna rooms without electrical infrastructure.
Are sauna stones included?
Sauna stones are not included. A minimum of 111 lbs of sauna stones (approximately 3 boxes of AC3020 stones) is required before the stove can be used. Use only stones rated for sauna use — do not use river rocks or decorative stones, as they can crack under high heat.
Does this stove require a chimney?
Yes. A properly installed chimney system is required for safe operation. The flue can be connected from the top or the back of the stove. Consult a qualified installer and ensure your chimney meets local building and fire codes before installation.
What type and size of firewood should I use?
Use dry, seasoned hardwood with a maximum length of 15" (390 mm) and a diameter of 3–5" (80–150 mm). Do not burn treated or painted wood, garbage, cardboard, or any accelerants. Burning unsuitable materials can damage the stove and create safety hazards.
Can I connect the flue from the back of the stove?
Yes. The Harvia 26 Pro supports both top and rear flue connections, giving you flexibility to accommodate different chimney configurations and room layouts.
What is the ash box used for?
The included ash box collects ash from the firebox, making routine cleaning more convenient. Empty the ash box regularly and allow ash to cool completely before disposal.
The Harvia 26 Pro is a high-output, well-built wood-burning sauna stove for medium to large sauna rooms that prioritize traditional, authentic performance. If you have questions about room sizing, chimney requirements, or installation, contact us before ordering — we're here to help you choose the right stove for your space.
Sauna use is a personal wellness practice. Consult a qualified healthcare provider before use if you have any medical conditions or concerns.