What size sauna does the Cozy Heat 12kW wood stove heat?

The 12kW Cozy Heat wood-burning stove is designed for sauna rooms from 210 to 423 cubic feet (an 18kW option covers 317 to 635 cubic feet).

Where is the Cozy Heat 12kW stove made and how does it load wood?

The Cozy Heat is hand-made in Estonia and is a through-the-wall design, so you can stoke wood from outside the sauna to keep everything tidy.

Is the Cozy Heat 12kW electric or wood-burning?

The Cozy Heat 12kW is a wood-burning sauna stove, ideal for mild, long-lasting heat and for pouring water over hot stones to create luxurious steam.

What does installing the Cozy Heat 12kW involve?

The Cozy Heat 12kW requires a chimney and clearance to combustibles, and a licensed install is recommended per local codes.

How is the Cozy Heat 12kW shipped and is it returnable?

The Cozy Heat 12kW heater ships by standard carrier and is covered by our 30-day return policy on heaters plus the manufacturer's warranty. There's no sales tax on orders shipped outside New Jersey.

Do you ship to Alaska, Hawaii, or Puerto Rico?

Yes, we can ship to Alaska, Hawaii, and Puerto Rico, but online checkout is not available for these destinations. Please call or text us at (856) 426-8530 or email info@saunacompanyusa.com to get a custom shipping quote before ordering. Online checkout to these locations is disabled.

Do you ship to Canada or internationally?

No, we do not ship to Canada or any international destinations at this time. We ship within the United States only (contiguous 48 states, plus Alaska, Hawaii, and Puerto Rico by phone quote). For international inquiries, please contact the manufacturer directly.

Does the Cozy Heat 12kW Wood-Burning Sauna Stove come with stones?

Sauna stones are required for operation and may be included or sold separately depending on the model — check the listing or contact us to confirm.

What electrical or installation is required?

This wood-burning heater needs code-compliant clearances and a flue; follow the manual and local codes.

Is it compatible with my sauna?

The Cozy Heat 12kW Wood-Burning Sauna Stove is made for traditional saunas. Share your sauna's size and model and we will confirm it is a correct match.

What warranty comes with it?

The Cozy Heat 12kW Wood-Burning Sauna Stove is covered by the Cozy Heat manufacturer warranty against defects in materials and workmanship for residential use.

Cozy Heat 12kW Wood-Burning Sauna Stove

Name: Cozy Heat 12kW Wood-Burning Sauna Stove
Brand: Cozy Heat
SKU: 174-127693
Price: 2125.0 USD
Availability: InStock

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Sauna Company USA · Wood-Burning Stove

Cozy Heat 12kW

Cozy Heat 12kW. A wood-fired sauna stove for authentic, long-lasting radiant heat and rich löyly. Suited for rooms roughly 210–635 cu ft.

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Radiant Heat

Soft, enveloping heat radiated from a large heated stone surface.

Authentic Löyly

Pour water over the hot stones for rich, traditional sauna steam.

Off-Grid Ready

No electricity required — fire it with wood anywhere, fully off-grid.

Built to Last

Heavy-gauge steel construction built for decades of daily use.

Chimney Ready

Ships with a flue collar; pair with a code-compliant insulated chimney.

Cozy Heat 12kW — a wood-burning sauna stove by Cozy Heat. Suited for rooms roughly 210–635 cu ft.

This unique through-the-wall traditional wood-burning stove is hand-made in Estonia is perfect for intimate sauna spaces. Wood-fired stoves are ideal for mild and long-lasting heat, designed for pouring water over hot stones to create luxurious steam for a more satisfying sauna experience. Stoke wood from outside the sauna to keep everything tidy! Enjoy the rustic charm and efficient steam of the Cozy Heat TW sauna heater.

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

Cozy Heat 12kW

Wood-burning sauna stove — no electricity required
Gentle, long-lasting radiant heat and rich löyly steam
Heavy-duty steel construction
Includes flue collar; requires a code-compliant chimney and clearance to combustibles

Sauna stones are required and sold separately unless noted. Professional installation is recommended.

Every Detail

Specifications & Details

Brand: Cozy Heat

Heat Source: Wood-Burning

Construction: Steel

Recommended Room: 210–635 cu ft

Cozy Heat 12kW wood-burning sauna stove
Flue collar
Installation manual

Not included: sauna stones, chimney/flue pipe (sold separately).

Match the stove to your room volume and follow the manufacturer’s clearance-to-combustible distances. A code-compliant insulated chimney is required.

Shipping: Freight, curbside delivery.
Warranty: Manufacturer limited warranty against defects.

Questions about sizing? Use the heater sizing guide or contact us directly.

30-Day Return Policy

We accept returns on this product within 30 days of delivery. To initiate a return, email info@saunacompanyusa.com with your order number.

Shipping Damage — If the return is required due to damage, include photos of the damage and note whether shipping damage was recorded upon signing for delivery. Shipping costs are fully covered for carrier-caused damage.

No-Damage Returns — No restocking fee is charged. You will be issued a credit for the full amount paid, less any required new boxing fees of approximately $20–$50 depending on the product.

Damaged Product — If the product is damaged, you will be notified to file a claim with your shipper. We assist throughout the process.

View our full Return Policy for complete details.

Resources

Documents & Manuals

Product manuals available on request — contact us.

About Cozy Heat

Real fire. Real sauna.

The Cozy Heat 12kW brings the timeless ritual of a wood-fired sauna — the crackle of the fire, the aroma of birch, and a deep, enveloping heat that electric simply can’t replicate. Built by Cozy Heat for a lifetime of use.

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Freight Delivery

Curbside delivery to the contiguous U.S., included.

3-Year Warranty

HUUM 3-year limited residential warranty (1-year commercial); heating elements & sauna stones are consumables and excluded.

Financing Available

Flexible monthly payment options at checkout.

Expert Sauna Support

Talk to specialists who know these heaters.

Who the Cozy Heat 12kW Wood-Burning Sauna Stove Is For

The Cozy Heat 12kW Wood-Burning Sauna Stove is a 12 kW wood-burning sauna heater from Cozy Heat, built to bring a traditional sauna room up to temperature and hold it there. It is a fit for homeowners pairing a heater with a compatible traditional sauna who want the ambiance of a live fire. Correct sizing to your room volume is the key to performance.

Heat Output

12 kW output for traditional sauna heating.

Room Sizing

Sized to your sauna's cubic volume — we help you match it.

Heat Source

Wood-fired heat and stones for authentic loyly.

Control

Manual wood-fired operation.

Brand

Genuine Cozy Heat, backed by the manufacturer warranty.

Every Detail

Cozy Heat 12kW Wood-Burning Sauna Stove Specifications and Sizing

Specifications and sizing guidance for the Cozy Heat 12kW Wood-Burning Sauna Stove.

A 12 kW heater is generally suited to a sauna room of roughly 540–720 cubic feet, depending on insulation and glass.

This is a wood-burning heater that uses a firebox and sauna stones to generate heat and steam. Sauna stones may be sold separately depending on the model.

Requires proper clearances and a code-compliant flue/chimney; follow the manufacturer manual and local codes.

Designed for traditional (non-infrared) saunas. Confirm the Cozy Heat 12kW Wood-Burning Sauna Stove suits your sauna's size and build — our team can verify compatibility.

Backed by the Cozy Heat manufacturer warranty. We help with sizing, controls, and post-sale support.

About Cozy Heat

Cozy Heat builds sauna heaters for traditional sauna rooms, and the Cozy Heat 12kW Wood-Burning Sauna Stove reflects that engineering. Every heater we ship is a genuine Cozy Heat product backed by the manufacturer warranty, with sizing help and support from our team before and after purchase.

At a Glance

Cozy Heat 12kW Wood-Burning Sauna Stove

Specifications & Details

Documents & Manuals

Buy With Confidence

The Cozy Heat 12kW Wood-Burning Sauna Stove at a Glance

Cozy Heat 12kW Wood-Burning Sauna Stove Specifications and Sizing

Cozy Heat 12kW Wood-Burning Sauna Stove - Frequently Asked Questions

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