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Home / Products / Cozy Heat OG Sauna Stove Wood-Burning Sauna Stove, Up to 18kW
A straight-on view of a barrel-shaped black metal wood-burning sauna stove against a white background. The stove features an intricate outer cage made of thin vertical metal bars accented with overlapping, elongated triangular metal panels. Inside, it is tightly packed with angular grey stones that mound over the top rim. At the bottom center, a dark grey door with 'COZY' embossed above its window displays a bright, roaring fire with vibrant orange and yellow flames engulfing wood logs.
A straight-on view of a barrel-shaped black metal sauna stove against a clean white background. The stove features an outer cage made of thin vertical bars accented by overlapping, geometric triangular metal panels. The inner chamber is tightly packed with dark, angular grey stones that mound slightly above the upper rim. At the bottom center, a dark grey metal door with 'COZY' embossed above its window is completely dark and unlit, showing no active fire inside.
A high-angle, three-quarter view inside a warm wooden sauna room. On the left, a barrel-shaped black metal sauna stove stands filled with large, angular grey rocks. Its distinctive geometric cage has overlapping, elongated metal triangles. The lower firebox door features a clear glass window, reflecting the wooden floor slats. To the right, multi-tiered wooden benches line the curved light-colored timber walls, with a small slatted wooden floor mat visible at the bottom.
An authorized retailer graphic is displayed on a plain white background. At the top, the brand name "COZY" is printed in large, black, serif capital letters, framed between two solid horizontal black lines. Centered below this logo, the phrase "Authorized Retailer" is written in a dark blue, bold serif font.
A side profile view of a barrel-shaped black metal sauna stove against a plain white background. The stove's frame features a unique outer cage of thin vertical bars layered with sharp, overlapping triangular metal plates. The central chamber is packed to the top with large, angular grey rocks. On the right side, the profile of the door extension is visible, showing a small silver top pin and a thick, vertically curved black handle.
An extreme macro, close-up shot looking down at the text branding on a black metal sauna stove door. The word 'COZY' is cut out or embossed in a stylized, bold font, spanning diagonally across the frame. Just above the letters, a polished silver metal knob or pin is partially visible. The background consists of the smooth, unlit glass of the firebox window, reflecting soft gradients of light and shadow.
A high-angle, close-up shot looking down into the empty stone chamber of a black metal sauna stove. The top of the internal heating core is visible, featuring a thick metal divider and two large circular openings or pipe connections. Encircling this inner mechanism is the stove's distinct outer cage, constructed from vertical bars and sharp, upward-pointing triangular metal plates. The photo is rendered in a moody, high-contrast black and white style.
A straight-on view of a barrel-shaped black metal wood-burning sauna stove against a white background. The stove features an intricate outer cage made of thin vertical metal bars accented with overlapping, elongated triangular metal panels. Inside, it is tightly packed with angular grey stones that mound over the top rim. At the bottom center, a dark grey door with 'COZY' embossed above its window displays a bright, roaring fire with vibrant orange and yellow flames engulfing wood logs.
A straight-on view of a barrel-shaped black metal sauna stove against a clean white background. The stove features an outer cage made of thin vertical bars accented by overlapping, geometric triangular metal panels. The inner chamber is tightly packed with dark, angular grey stones that mound slightly above the upper rim. At the bottom center, a dark grey metal door with 'COZY' embossed above its window is completely dark and unlit, showing no active fire inside.
A high-angle, three-quarter view inside a warm wooden sauna room. On the left, a barrel-shaped black metal sauna stove stands filled with large, angular grey rocks. Its distinctive geometric cage has overlapping, elongated metal triangles. The lower firebox door features a clear glass window, reflecting the wooden floor slats. To the right, multi-tiered wooden benches line the curved light-colored timber walls, with a small slatted wooden floor mat visible at the bottom.
An authorized retailer graphic is displayed on a plain white background. At the top, the brand name "COZY" is printed in large, black, serif capital letters, framed between two solid horizontal black lines. Centered below this logo, the phrase "Authorized Retailer" is written in a dark blue, bold serif font.
A side profile view of a barrel-shaped black metal sauna stove against a plain white background. The stove's frame features a unique outer cage of thin vertical bars layered with sharp, overlapping triangular metal plates. The central chamber is packed to the top with large, angular grey rocks. On the right side, the profile of the door extension is visible, showing a small silver top pin and a thick, vertically curved black handle.
An extreme macro, close-up shot looking down at the text branding on a black metal sauna stove door. The word 'COZY' is cut out or embossed in a stylized, bold font, spanning diagonally across the frame. Just above the letters, a polished silver metal knob or pin is partially visible. The background consists of the smooth, unlit glass of the firebox window, reflecting soft gradients of light and shadow.
A high-angle, close-up shot looking down into the empty stone chamber of a black metal sauna stove. The top of the internal heating core is visible, featuring a thick metal divider and two large circular openings or pipe connections. Encircling this inner mechanism is the stove's distinct outer cage, constructed from vertical bars and sharp, upward-pointing triangular metal plates. The photo is rendered in a moody, high-contrast black and white style.

Cozy Heat

COZY OG 12

Cozy Heat OG Sauna Stove Wood-Burning Sauna Stove, Up to 18kW

$3,595.00 - $4,106.00$3,994.00 - $4,562.00
Kilowatt

Estimated to ship:

Call or text anytime 1-844-HYDRO-33 (1-844-493-7633)

LOWEST PRICE GUARANTEE

The Cozy OG is an authentic wood-burning sauna stove hand-made in Estonia, where sauna is a national tradition. Wood-fired sauna stoves create a mild and long-lasting heat. Designed for pouring water over hot stones for an intense steam and a more satisfying sauna experience.

  • 12kW - For sauna rooms from 210 to 423 cubic feet
  • 18kW - For sauna rooms from 317 to 635 cubic feet

Cozy Heat has taken the time-honored craft of building sauna stoves to a higher level. The part of the wood-burning heater that must be the strongest, the flame cutter, is made of sturdy, 5mm-thick stainless steel making COZY heaters extremely durable. 

Hand made in Estonia - where sauna bathing is a national tradition - the Cozy OG wood-burning sauna stoves are ideal for mild and long-lasting heat, and are designed for pouring water over hot stones to create luxurious, intense steam. The body of the wood-burning sauna stove features an innovative and contemporary trilateral design, characterized by clean lines and graceful curves.

Cozy wood-fired sauna stoves are engineered for maximum efficiency and environmental sustainability. These stoves achieve exceptional combustion efficiency resulting in lower emissions and reduced firewood consumption of 25-40%, which has earned all Cozy sauna stoves Germany’s highest certification standard, EN 15821:2010, BlmSchV DIN EN 13240, level 2.

Experience the pinnacle of comfort and sophistication with the Cozy Heat OG!

FEATURES

  • Artistically inventive design
  • Wood-burning
  • Steel construction
  • Smoke gases are 6x cleaner
  • German BIMSCH certificate
  • Stove utilizes 25-40% less fuel than comparable sauna stoves
  • Boasts minimal safety distances
  • Mild and long-lasting heat
  • Floor mount
  • Stone requirements:
    • 12kW - Minimum of  175 lbs of stones
    • 18kW - Minimum of 240 lbs of stones
      • Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply). 
  • 2-year warranty
  • Designed and engineered in Estonia

IINCLUDES

  • Outer frame of the heater
  • Chimney pipe 
  • Heater body
  • Cleaning hatch
  • Heater door with glass
  • Ash box
  • Installation and operation manual
  • 2-Year Warranty
Model COZY OG 12
Kilowatt Rating 12kW
Primary Fuel Wood
Maximum Firewood Length 13" (33 cm)
Diameter of Firewood 3.2" - 4.7" (8-12 cm)
Minimum Cubic Feet 210 Cu. Ft.
Maximum Cubic Feet 423 Cu. Ft.
Minimum Room Height 72" (182.9 cm)
Flue Connection Location Top
Safety Distance See Installation and Operation Manual
Stove Dimensions 19.6"W (49.8 cm) x 21.5"D (54.6 cm) x 27.9"H (70.9 cm)
Stove Weight 121 lbs (54.9 kg)
Shipping Weight with Sauna Stones 297 lbs (134.7 kg)
Model COZY OG 18
Kilowatt Rating 18kW
Primary Fuel Wood
Maximum Firewood Length 15.7" (40 cm)
Diameter of Firewood 3.2" - 4.7" (8-12 cm)
Minimum Cubic Feet 317 Cu. Ft.
Maximum Cubic Feet 635 Cu. Ft.
Minimum Room Height 82" (208.3 cm)
Flue Connection Location Top
Safety Distance See Installation and Operation Manual
Stove Dimensions 22"W (55.8 cm) x 25.8"D (65.5 cm) x 29.7"H (75.5 cm)
Stove Weight 176 lbs (79.8 kg)
Shipping Weight with Sauna Stones 440 lbs (199.6 kg)

WHY YOU SHOULD BUY WITH US

Personalized Attention: As a small business we can provide individualized service that the big box stores just can't offer.

We Price Match: We offer the best prices online, but if you find lower, call or email us for a price match discount!

Authorized Retailer: We are an authorized retailer for all our brands. Manufacturer's warranties fully apply when you buy with us.

No Sales Tax: Take advantage of no sales tax when you buy with us and save big compared to national chains.

Secure Checkout: Whether ordering by phone or online, your information is always secure.

Fast and Free Shipping: Even the largest products arrive quickly. Final delivery for freight items will be scheduled with you by the carrier at a time of your choosing.
Free Shipping is to the lower 48 contiguous states. Please contact us for a quote to Alaska, Hawaii, or Puerto Rico.

Easy Returns: We help you get it shipped back. Click here for our full return policy.

Our Promise: We promise to treat you right! As a small family owned business, our goal is to treat you in the same manner we'd want our family members to be treated. Let us know how we can be of service! If something goes wrong, you can always ask to speak to a manager.

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