Harvia M3 Series 16.5kW Wood Sauna Stove
Harvia M3 Wood-Burning Sauna Stove – 16.5kW M Series Sauna Heater
The Harvia M3 Wood-Burning Sauna Stove is a best-selling classic designed for smaller traditional sauna rooms from 212 to 459 cubic feet. With its timeless graphite black finish, efficient heat circulation, and authentic wood-fired performance, the Harvia M3 creates a warm, rustic sauna atmosphere for a traditional Finnish-style sauna experience.
Built in Finland, the Harvia M3 combines durable construction with classic design details, including a stainless steel air-flow spoiler, cast-iron glass door, ash box, and floor-mounted installation. The glow of the fire, steady radiant heat, and traditional wood-burning design make this stove a dependable choice for sauna owners who want a natural, wood-fired sauna setup.
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- Authorized Retailer of Harvia
- Manufacturer Warranty Included
- Free Shipping to the Contiguous US
- Secure Checkout
- U.S.-Based Customer Support
Details & Benefits
- Classic wood-burning sauna stove for traditional sauna rooms
- Ideal for sauna spaces from 212 to 459 cu. ft.
- 16.5kW wood-fired heating performance
- Elegant graphite black finish
- Stainless steel air-flow spoiler for efficient heat circulation
- Floor-mounted installation
- Designed, engineered, and made in Finland
- Can be used with an optional pipe model water heater for added sauna amenities
- Requires 66 lbs. of sauna stones — sold separately
Required Sauna Stones
This sauna stove requires 66 lbs. of sauna stones, which is typically 2 boxes. Sauna stones are required for proper heater operation and are sold separately.
Using the correct sauna stone size and amount helps support proper airflow, heat retention, and steam performance when water is ladled over the stones.
View Harvia Sauna Stone Requirements
Required Components
The following component is required for successful operation and installation of this product:
- Sauna Stones: Requires 66 lbs. total — 2 boxes, sold separately
What's Included
- Harvia M3 Sauna Stove
- Stove Door
- Ash Box
- Installation and Operation Manual
- 1-Year Limited Warranty for Consumer Use
- 1-Year Limited Warranty for Commercial Use
Harvia M3 Specifications
| Model | M3 |
| Series | M Series |
| Kilowatt Rating | 16.5kW |
| Primary Fuel | Wood |
| Recommended Sauna Room Size | 212 to 459 cu. ft. |
| Minimum Room Height | 47" / 120 cm |
| Stone Capacity | 66 lbs. |
| Maximum Firewood Length | 14" / 35 cm |
| Recommended Firewood Diameter | 3"–6" / 8–15 cm |
| Flue Connection Location | Top and Back |
| Heater Weight | 99 lbs. / 45 kg |
| Shipping Weight with Sauna Stones | 165 lbs. / 75 kg |
| Dimensions | 15.4" W x 16.9" D x 28.15" H |
| Country of Origin | Finland |
| Warranty | Limited 1-Year Warranty for Consumer Use and Commercial Use |
Shipping Information
Shipping: Free shipping within the contiguous United States.
This sauna stove ships by freight and requires a scheduled delivery appointment. The heater system arrives on a wooden pallet and is packaged in three-ply cardboard for added protection during transit.
The freight carrier is responsible for delivery only and may provide limited assistance at the delivery site. Prior to shipping, we may contact customers to confirm shipment details, delivery needs, and any site conditions that could affect delivery. Our goal is to help ensure a smooth delivery and successful sauna project.
Product Documents
Use the links below to review product specifications, installation requirements, safety clearances, and supporting documents before installation.
- Harvia M3 Datasheet
- Harvia Sauna Stove Installation & Operation Manual
- Harvia Safety Distances
- Harvia M3 Declaration of Performance
- Harvia Sauna Stone Requirements
Warranty
The Harvia M3 Sauna Stove includes a limited 1-year manufacturer warranty for consumer use and a limited 1-year manufacturer warranty for commercial use. Warranty coverage applies according to the manufacturer's terms and conditions.
Why Choose the Harvia M3 Sauna Stove?
The Harvia M3 is an excellent choice for sauna owners who want a traditional wood-burning heater with reliable Finnish engineering, classic styling, and authentic sauna performance. Its compact footprint, 16.5kW output, and 66 lb. stone capacity make it a strong option for smaller sauna rooms where a warm, natural, wood-fired atmosphere is preferred.
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