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Home / Products / Cozy Heat Quattro Sauna Stove Wood-Burning Sauna Stove, Up to 18kW
A rectangular, black metal wood-burning sauna stove filled with rounded grey stones against a white background. Unlike barrel-style units, this stove has a boxy shape enclosed by a cage made of prominent horizontal metal bars stacked vertically. At the bottom center is a dark grey door with 'COZY' embossed above a square glass viewing window. Vibrant orange and yellow flames wrap around burning logs inside the firebox, brightly illuminating the window.
A rectangular, black metal sauna stove filled with rounded grey stones against a white background. The boxy frame features an outer cage made of evenly spaced horizontal metal bars stacked from top to bottom. In the lower center, a dark grey door has the word 'COZY' embossed above a square glass window. Unlike other versions, the firebox interior behind the glass window is completely dark, showing no active fire, flames, or glowing wood logs.
A three-quarter angle view of a rectangular, dark brown metal sauna stove sitting on a matching base plate. The boxy stove is enclosed by stacked horizontal louvers, packed tightly with light grey, rounded rocks. A dark flue pipe extends upward from the top. The front features a metal door with a rectangular glass window and a curved handle. The unit is positioned inside a structure with wooden flooring, set against a large window displaying a vibrant green forest background.
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 close-up, high-angle shot looking down diagonally at a black metal sauna stove. Thick, horizontal metal slats create a rigid cage structure, packed tightly with rounded, speckled grey stones. In the lower right corner, the top section of the firebox door is visible, featuring a small silver knob, four vertical air vents, and the embossed word 'COZY' over a glass viewing window. The background is a solid white.
A side profile view of a rectangular black metal sauna stove against a plain white background. The stove's structure is enclosed by stacked horizontal louvers forming a grid-like cage, packed with rounded grey stones that mound slightly at the top. On the right side, the profile of the firebox door frame sticks out slightly, showing a small silver door knob on top and a prominent, vertically curved black metal handle.
A straight-on view of a rectangular, black metal sauna stove filled with grey stones against a white backdrop. The boxy structure is framed by an outer cage of evenly spaced horizontal metal slats stacked vertically. At the bottom center, a dark grey metal door features the word 'COZY' embossed above a square glass window. The firebox interior behind the window is dark and unlit, showing no active flames. Rounded, textured grey rocks pack the unit and mound slightly over the top rim.
A high-angle view looking down into a modern sauna with polished wood floors and tiered benches. To the left sits a rectangular, black metal sauna stove packed with grey stones, mounted on a black base plate with a thick chimney pipe extending upwards. The firebox window is unlit. To the right are tiered, glossy wooden benches. Large glass walls behind the stove reveal an expansive outdoor view of a grassy field stretching into the distance under bright daylight.
A rectangular, black metal wood-burning sauna stove filled with rounded grey stones against a white background. Unlike barrel-style units, this stove has a boxy shape enclosed by a cage made of prominent horizontal metal bars stacked vertically. At the bottom center is a dark grey door with 'COZY' embossed above a square glass viewing window. Vibrant orange and yellow flames wrap around burning logs inside the firebox, brightly illuminating the window.
A rectangular, black metal sauna stove filled with rounded grey stones against a white background. The boxy frame features an outer cage made of evenly spaced horizontal metal bars stacked from top to bottom. In the lower center, a dark grey door has the word 'COZY' embossed above a square glass window. Unlike other versions, the firebox interior behind the glass window is completely dark, showing no active fire, flames, or glowing wood logs.
A three-quarter angle view of a rectangular, dark brown metal sauna stove sitting on a matching base plate. The boxy stove is enclosed by stacked horizontal louvers, packed tightly with light grey, rounded rocks. A dark flue pipe extends upward from the top. The front features a metal door with a rectangular glass window and a curved handle. The unit is positioned inside a structure with wooden flooring, set against a large window displaying a vibrant green forest background.
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 close-up, high-angle shot looking down diagonally at a black metal sauna stove. Thick, horizontal metal slats create a rigid cage structure, packed tightly with rounded, speckled grey stones. In the lower right corner, the top section of the firebox door is visible, featuring a small silver knob, four vertical air vents, and the embossed word 'COZY' over a glass viewing window. The background is a solid white.
A side profile view of a rectangular black metal sauna stove against a plain white background. The stove's structure is enclosed by stacked horizontal louvers forming a grid-like cage, packed with rounded grey stones that mound slightly at the top. On the right side, the profile of the firebox door frame sticks out slightly, showing a small silver door knob on top and a prominent, vertically curved black metal handle.
A straight-on view of a rectangular, black metal sauna stove filled with grey stones against a white backdrop. The boxy structure is framed by an outer cage of evenly spaced horizontal metal slats stacked vertically. At the bottom center, a dark grey metal door features the word 'COZY' embossed above a square glass window. The firebox interior behind the window is dark and unlit, showing no active flames. Rounded, textured grey rocks pack the unit and mound slightly over the top rim.
A high-angle view looking down into a modern sauna with polished wood floors and tiered benches. To the left sits a rectangular, black metal sauna stove packed with grey stones, mounted on a black base plate with a thick chimney pipe extending upwards. The firebox window is unlit. To the right are tiered, glossy wooden benches. Large glass walls behind the stove reveal an expansive outdoor view of a grassy field stretching into the distance under bright daylight.

Cozy Heat

COZY QUATTRO 12

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

$2,214.00 - $2,529.00$2,460.00 - $2,810.00
Kilowatt

Estimated to ship:

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

LOWEST PRICE GUARANTEE

Complement the rustic look of your sauna with the Quattro wood burning sauna stove from Cozy Heat. Hand-crafted in Estonia, where sauna is a way of life. Wood-burning stoves deliver a mild and long-lasting heat, designed for ladling water over the hot stones to create the perfect steam sauna. Experience the traditional experience of wood-fired warmth the true essence of relaxation with the Cozy Heat Quattro.

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

The stylish and elegant Quattro from Cozy Heat will elevate the rustic appearance of your home sauna. COZY has taken the ancient wisdom of building a sauna to a higher level. This unique wood-burning stove is hand-made in Estonia, where sauna bathing is part of daily life. 

Wood-fired sauna stoves produce a mild, long-lasting heat and are designed for ladling water over the hot stones to create a luxurious steam sauna. 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. 

The Quattro's clean lines and minimalist design create an understated elegance, and the large viewing window allows you to view the mesmerizing glow of the dancing flames. Experience the timeless allure of a traditional wood-fired sauna and discover the true essence of relaxation with the Cozy Heat Quattro.

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.

FEATURES

  • Square 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 265 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

INCLUDES

  • 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 QUATTRO 12
Kilowatt Rating 12kW
Primary Fuel Wood
Maximum Firewood Length 13" (33 cm)
Diameter of Firewood 4.7" - 5.9" (12-15 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 17.3"W (44 cm) x 20.2"D (51.3 cm) x 27.6"H (70 cm)
Stove Weight 141 lbs (64 kg)
Shipping Weight with Sauna Stones 317 lbs (143.8 kg)
Model COZY QUATTRO 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 21.7"W (55 cm) x 25.6"D (65.1 cm) x 34.3"H (87.1 cm)
Stove Weight 209 lbs (94.8 kg)
Shipping Weight with Sauna Stones 429 lbs (194.6 kg)

See manual
See warranty

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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