Harvia
M3 wood-burning stove (WKM3)
4.7 from 17 reviews at SaunaHeaters.com- 16.5 kW
- $46 per kW
- wood stove
Prices checked Sep 29, 2026. Freight, wiring and a pad usually add more; the cost calculator totals them.
We may earn a commission if you buy through our links, at no extra cost to you, and a fee when you request quotes through our builder partners.
Harvia M3 wood-burning stove (WKM3)$761Shop at BiohackerX Tech The price ledger
Same product, 18 sellers, $508 apart
Cheapest first. Prices checked Sep 29, 2026; confirm freight and what's included before you buy.
- 01BiohackerX TechBest price · in stock$761View
- 02Haven of Heat$208 more than the best price · in stock$969View
- 03Premium Saunas$208 more than the best price · in stock$969View
- 04RecovAthlete$208 more than the best price · in stock$969View
- 05Sauna Shield$208 more than the best price · in stock$969View
- 06Art of Steam Co$208 more than the best price · in stock$969View
- 07Vital Hydrotherapy$208 more than the best price · in stock$969View
- 08Finnish Sauna Builders$208 more than the best price · in stock$969View
- 09SaunaHeaters.com$208 more than the best price · in stock$969View
- 10The Sauna Place$208 more than the best price · in stock$969View
- 11Select Saunas$208 more than the best price · in stock$969View
- 12Sun Valley Saunas$208 more than the best price · in stock$969View
- 13Topture$208 more than the best price · in stock$969View
- 14Steam Sauna Supply$208 more than the best price · in stock$969View
- 15Superior Saunas$262 more than the best price · in stock$1,023View
- 16Almost Heaven Saunas$332 more than the best price · in stock$1,093View
- 17Empire Saunas$507 more than the best price · in stock$1,268View
- 18Pure Sauna Store$508 more than the best price · in stock$1,269View
Compare across brands
How it stacks up
 This oneHarvia M3 wood-burning stove (WKM3) |  Firefly SaunaWoodburning Stove - RTA-22 |  SaunamoWood-Burning Heater - Harvia M3 |  True North SaunasWood Heater For Saunas - Harvia M3 HWM3 |  KotaInari 18 kW | |
|---|---|---|---|---|---|
| Lowest price | $761 | $779 | $735Lowest | $995 | $1,004 |
| Sold by | 18 sellers, up to $1,269 | Homage Row only | Saunamo only | Vital Hydrotherapy only | saunainter.com only |
| Power | 16.5 kW | Not listed | 16.5 kW | 16.5 kW | Not listed |
| Room size | up to 459 cu ft | Not listed | Not listed | 212 – 459 cu. ft. | Not listed |
| Every seller | Compare it | Compare it | Compare it | Compare it |
The details
M3 wood-burning stove (WKM3)
- Rated output of 16.5 kW
- Made from stainless steel
- Sized for rooms up to 459 cu ft
- ETL/UL/CSA certified
- 2-year warranty listed
- Power
- 16.5 kW
- Wood / material
- stainless steel
- Weight
- 99 lbs (44.2 kg)
- Warranty
- 2-year manufacturers warranty; 2 year manufacturers warranty
- Room volume
- up to 459 cu ft
- Assembly
- Floor Installation
- Exterior
- 17."W (390mm) x 15.4"D (450mm) x 28"H (710mm)
- stone capacity
- 66 lbs
- Certifications
- CE, UL, ETL, CSA
What’s included
- Sauna Stove
- Installation and operation manual
- 2 year manufacturers warranty
From the sellers’ own product listings, checked 2026-10-01. Confirm specs with the seller before you buy.
What owners say
4.7 from 17 reviews
“The Harvia Legend is amazing. We installed it in our backyard sauna. Heats our larger space thoroughly and maintains temperature well.”
Mark D. · 4★ · 2026-04 · review at SaunaHeaters.com
“Bought this Harvia wood stove for our cabin in Colorado. The traditional sauna experience with wood fire is unbeatable.”
Thomas K. · 5★ · 2025-11 · review at SaunaHeaters.com
“Looks great around the chimney pipe and gives us some extra usable stone area. Nice addition to the Legend.”
Shane J. · 5★ · 2026-08 · review at SaunaHeaters.com
More like this
Similar heaters & wood stoves
Photo: Bio Wellness Collection 
Photo: Finnish Sauna Builders 
Photo: Bio Wellness Collection 
Photo: Homage Row 
Photo: Saunamo 
Photo: Haven of Heat 
Photo: Saunamo 
Photo: Saunamo
The maker
More from Harvia
128 models from Harvia in our index. See the whole range
Photo: Finnish Sauna Builders 
Photo: Finnish Sauna Builders 
Photo: Finnish Sauna Builders 
Photo: The Sauna Place 
Photo: Finnish Sauna Builders 
Photo: Finnish Sauna Builders 
Photo: Finnish Sauna Builders 
Photo: Premium Saunas
Certification or clearance: none found (no UL, ETL or CSA listing claim in any dealer listing, and no lab directory record retrieved)
Notes from our check: MAP is $969. Superior Saunas is $1,023 and Almost Heaven is $1,093 (heater only). Prices were read from each offer URL + ".json".
The Sanctuary Report