Cozy Heat OG-TW Sauna Stove | Through-the-Wall Wood-Burning Heater
In Stock - Ready to Ship
Cozy Heat OG-TW wood-burning sauna stove, hand-made in Estonia, with a through-the-wall design: you load the firewood from outside the sauna room. Its trilateral design gives a mild, long-lasting heat, made for pouring water over hot stones.
- Through-the-wall design, firewood loaded from outside the sauna
- 12 kW or 18 kW, for sauna rooms of 210 to 423 or 317 to 635 cu. ft.
- Heater door with glass
- 5mm stainless steel flame cutter
- Smoke gases 6x cleaner, German BIMSCH certificate
- 25-40% less fuel, than comparable sauna stoves, per the manufacturer
- Sauna stones sold separately, 175 lbs minimum (12 kW) or 240 lbs (18 kW)
- Minimum room height, 72" (12 kW) or 82" (18 kW)
- Stove weight, 126 lbs (12 kW) or 199 lbs (18 kW)
- 2-year warranty, designed and engineered in Estonia
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Cozy Heat has taken the time-honored craft of building sauna stoves to a higher level. This wood-fired sauna stove is hand-made in Estonia, where sauna bathing is a national tradition.
The OG-TW's clever "Through-the-Wall" design lets you load firewood from outside your sauna. Wood-burning sauna stoves produce a mild and long-lasting heat and are designed for pouring water over hot stones to create your perfect amount of steam.
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.
Cozy Heat's OG-TW model has an elegant and sophisticated trilateral design that is elegant and sophisticated, elevating the aesthetic appeal of your sauna. With its sleek lines and contemporary finish, this stove complements any sauna decor, creating a luxurious ambiance that beckons you.
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-TW!
- 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 thru-wall
- 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
- 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-TW 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 | 19.5"W (49.5 cm) x 27.4"D (69.6 cm) x 27.9"H (70.9 cm) |
Stove Weight | 126 lbs (57.2 kg) |
Shipping Weight with Sauna Stones | 346 lbs (156.9 kg) |
Model | COZY OG-TW 18 |
Kilowatt Rating | 18kW |
Primary Fuel | Wood |
Maximum Firewood Length | 15.7" (40 cm) |
Diameter of Firewood | 4.7" - 5.9" (12-15 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 32.1"D (81.5 cm) x 29.7"H (75.5 cm) |
Stove Weight | 199 lbs (90.3 kg) |
Shipping Weight with Sauna Stones | 463 lbs (210 kg) |
At MyEliteWellness, we strive to make every step of your experience seamless and straightforward. Here is everything you need to know about how we handle shipping.
Delivery Pricing
Free Shipping on all Heaters, Saunas & Hot Tubs within the contiguous United States.
Additional fees may apply under specific conditions, including:
- Locations not reachable by standard carriers (FedEx, UPS) will incur an LTL freight surcharge.
- Remote areas, islands, or roads that cannot accommodate Class 6 or larger vehicles.
- Crates longer than 92" cannot be managed with a standard liftgate. In such cases, you will need to arrange manual unloading assistance, a professional moving service, or forklift equipment. Please note: drivers are unable to assist with unloading due to insurance limitations.
- Failure to accept delivery within 48 hours of the carrier's initial contact may result in daily storage charges of $100.
How We Ship
Most sauna kits ship pre-packaged on a pallet via LTL freight for curbside delivery.
What does curbside delivery mean? The pallet is unloaded from the truck at the curb nearest your property. If curb space is unavailable, you will need to designate an alternative unloading location. Delivery personnel will lower items from the truck but are not permitted to transport them onto your property due to insurance restrictions.
If you need the shipment placed on your property, contact us for a white glove delivery quote.
Pre-assembled saunas ship via flatbed truck by scheduled appointment. These units require offloading with a crane or extended forklift, which is not provided by the carrier. You are responsible for arranging offloading and transporting the product to its final position.
When Will It Arrive
Once your order is placed, you will receive an Order Confirmation email right away. We then verify availability with our suppliers to confirm your item is ready for dispatch. Most in-stock saunas and accessories ship quickly, while custom-built units require additional lead time.
Estimated Timeline:
- Days 1-2: Stock verification and delivery accessibility check
- Days 3-5: Order prepared and packaged for shipment
- Days 2-8: Transit to your nearest distribution hub
- Days 1-5: Carrier contacts you to schedule delivery
- Total: 7-20 business days from order confirmation to doorstep
On the day your order ships, a tracking notification will be sent to the email address provided at checkout so you can monitor your delivery in real time.
If you have not received tracking information within 5 business days, please reach out via live chat, our contact page, or email us at contact@myelitewellness.com.
Note: In the rare event of unexpected delays due to weather, supply chain disruptions, or other factors, a member of our support team will contact you directly to explain the situation and outline next steps.
Where We Deliver
We deliver to all 48 contiguous U.S. states. Special arrangements are available for Alaska, Hawaii, and U.S. territories. If you are located in one of these areas, please contact us for a custom shipping quote.
Your order will be routed to the closest freight terminal. Once it arrives, the carrier will reach out to schedule a convenient curbside delivery appointment.
Upon Delivery
The shipping company will contact you to arrange delivery. When your order arrives:
- Inspect Before Signing: Carefully examine all items before signing any delivery paperwork.
- Verify Completeness: Confirm that every piece of your order is accounted for.
- Report Hidden Damage: If you discover damage that was not visible at the time of delivery, report it immediately to contact@myelitewellness.com.
Reporting Damage
While shipping damage is rare, it falls into two categories:
- Visible Damage: The container or crate shows obvious signs of damage upon arrival.
- Concealed Damage: The packaging appears intact, but contents are damaged inside.
For visible damage or missing items, document everything with detailed notes on the delivery receipt. For concealed damage discovered after unpacking, report it within 72 hours. MyEliteWellness will replace any damaged or missing components when reported within this window. Claims submitted after 72 hours may not be eligible for resolution.
Refused Deliveries
If you refuse delivery for reasons other than visible damage or a shipping error, a 20% restocking fee will apply along with any associated return shipping costs.
Your Responsibility
We are committed to a smooth delivery experience. However, MyEliteWellness is not responsible for costs resulting from customer unavailability. If you are unreachable or provide inaccurate contact information, any additional charges for redelivery, storage, or return shipment will be your responsibility. Please ensure your contact details are accurate and that you are available to receive your shipment as scheduled.
Cozy Heat OG-TW Sauna Stove | Through-the-Wall ...
$2,725.00