Product Description The Harvia M3 Wood-Burning Sauna Heater offers a traditional wood-fired heat source designed for intimate sauna spaces. Its compact form factor serves sauna rooms ranging from 212 to 459 cubic feet, catering to those who appreciate classic sauna heating methods within a residential setting. This heater employs an advanced combustion system that ensures clean, steady burning for even heat distribution. Paired with a stainless steel airflow spoiler and accommodating up to 66 pounds of sauna stones, it facilitates smooth steam generation and the authentic ambiance of crackling fire visible through the stove door. Constructed with graphite black steel and accented by durable stainless steel, the Harvia M3 exemplifies Finnish craftsmanship. Its measured dimensions and floor installation design make it a reliable, visually balanced option for those seeking traditional sauna heating in a smaller footprint. Features Wood-burning 16.5kW Elegant graphite black Stainless steel air-flow spoiler Floor installation Designed, engineered, and made in Finland For sauna rooms from 212 to 459 cu. ft. 66 pound stone capacity Dimensions: 15.4"W (39 cm) x 16.9"D (43 cm) x 28.15"H (72 cm) Limited 2-year warranty (consumer use) and limited 6-month warranty (commercial use) Includes Sauna Stove Stove Door Ash Box Installation and Operation Manual 2-Year Limited Warranty (Consumer Use) and 6-Month Limited Warranty (Commercial Use) Specifications Category Details Model M3 Kilowatt Rating 16.5 kW Primary Fuel Wood Maximum Firewood Length 14" (35 cm) Diameter of Firewood 3–6" (8–15 cm) Minimum Cubic Feet 212 cu. ft. Maximum Cubic Feet 459 cu. ft. Minimum Room Height 47" (120 cm) Flue Connection Location Top and Back Heater Weight 99 lbs (45 kg) Shipping Weight with Sauna Stones 165 lbs (75 kg) Width 15.4" (39 cm) Depth 16.9" (43 cm) Height 28.15" H (72 cm) Installation & Manuals We aim to make your installation as easy and seamless as possible. Please find the supporting manuals below to guide you through the setup and operation process. Installation and Operation Manual Data Sheet Safety Sheet Declaration of Performance Stone Requirements Shipping At My Energy Flow, we’re committed to delivering your order with the same care and precision that goes into every product we offer. Our shipping process is designed to be seamless, reliable, and worry-free — giving you full confidence from dispatch to delivery. 📦 Shipping Policy Processing Time: Orders are processed within 1–3 business days. Shipping Method & Delivery Times: Your product will be delivered curbside within 5–7 business days. Freight Delivery: For larger items, our carrier partners will reach out directly to schedule your delivery at a convenient time. We recommend confirming promptly to ensure a smooth experience and avoid any unnecessary storage fees. Tracking Details: You’ll receive an order acknowledgment by email once your order is placed, followed by shipping updates and delivery details from our team or supplier. Upon Delivery: We kindly ask that you inspect all items carefully. In the event you discover any damages notify us at [email protected] immediately so we can assist promptly. Returns & Warranty Your peace of mind is as important as your wellness journey. That’s why every product is supported by a carefully defined return and warranty policy — giving you confidence and clarity with every purchase. 🔄 Refund & Return Policy Return Window: You may request a return within 30 days of delivery, provided the item is unused, in original packaging, and in re-sellable condition. Return Requirements: To help us maintain the highest level of service, all approved returns are subject to a 20% restocking fee. Return shipping costs are the responsibility of the customer, and original or expedited shipping charges are non-refundable. How to Start a Return: Email [email protected] with your order number, reason for return, and any relevant photos. Once approved, returns must be shipped back within 7 days of authorization. 🛡️ Warranty Manufacturer's Warranty: Your purchase is backed by the manufacturer’s warranty, including 1 year against defects in materials and workmanship under normal/residential use. Exclusions: Warranty does not cover damage resulting from misuse, improper installation, accidents, unauthorized modifications, or use beyond recommended specifications. Support & Claims: To initiate a warranty claim, please email [email protected] with your order number, a description of the issue, and relevant photos or videos. Thank you for choosing My Energy Flow. Your confidence, comfort, and wellness are at the heart of everything we do — and we’re here to support you at every step of your journey. More than a purchase, your order is the beginning of a trusted relationship, and our team is always ready to provide clarity, care, and guidance whenever you need it.