Cozy Heat SW Thru-Wall Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
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Product Information
The Cozy Heat SW‑TW is a hand-crafted Estonian wood-burning sauna stove available in 12 kW and 18 kW
models, designed for thru-wall installation and floor mounting.
It delivers mild, long-lasting heat in spaces from 210 to 635 cu ft, uses 25–40% less wood, and cleans
with up to 6× less smoke—making it efficient and eco-friendly.
Product Features
This stove boasts thru-wall fire loading, durable steel build, clean-burning combustion, and
accommodates heavy stones for rich steam.
It requires minimal clearances, and meets German BIMSCH standards.
Thru‑wall loading
Steel craftsmanship
Clean combustion
Stone-rich steam
Compact clearance
Cozy Heat SW Thru-Wall Sauna Stove
Through‑Wall Design:
Reload logs from outside the sauna to maintain cleanliness and comfort.
Dual Power Options:
12 kW suits 210–423 cu ft; 18 kW fits 317–635 cu ft rooms.
Efficient Burn:
Consumes 25–40% less wood with 6× cleaner smoke under BIMSCH standards.
Heavy Stone Capacity:
Supports 265 lb (12 kW) or 353 lb (18 kW) of stones for robust steam output.
Low Safety Distances:
Minimal spacing needed: approx. 26–40 cm sides and 142–153 cm front clearance.
Sturdy Craftsmanship:
Built with 5 mm stainless steel flame cutter and top flue design for durability.
Additional Features
Eco-efficient, clean-burning, and low-maintenance—ideal for authentic sauna experiences.
Compact Safety Zones
Minimal floor-mount clearances simplify setup.
Heavy Stone Support
Up to 353 lb for deep steam.
Low Emission Burn
Smoke gases are six times cleaner.
Stainless Flame Cutter
5 mm steel resists heat and wear.
About Cozy Heat
Cozy Heat is a premium Estonian brand renowned for its handcrafted wood-burning sauna stoves. Built in Estonia—where sauna is a cherished tradition—Cozy Heat’s heaters blend modern engineering with timeless design.
They use 25–40% less wood, are 6× cleaner-burning, and meet stringent German BIMSCH TÜV standards.
Cozy Heat continues to elevate the sauna experience through efficient, ecological, and authentic Estonian craftsmanship.
Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
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Frustrating, misleading return policies
Clear, honest return policy
Specifications
| Brand | Cozy Heat |
| Models | SW‑TW 12 kW, 18 kW |
| Wood Capacity | 12 kW: 329 mm logs; 18 kW: 400 mm logs |
| Room Range (12 kW) | 210–423 cu ft |
| Room Range (18 kW) | 317–635 cu ft |
| Weight (12 kW) | 161 lb |
| Weight (18 kW) | 236 lb |
| Stone Load | 265 lb (12 kW), 353 lb (18 kW) |
| Emission | 6× cleaner (BIMSCH) |
| Clearance Front–Back | 12 kW: 142 cm; 18 kW: 153 cm |
| Clearance Side–Side | 12 kW: 86 cm; 18 kW: 103 cm |
| Flue Position | Top |
| Warranty | 2 years |
Warranty & Returns
Return Policy
To request a return or refund, customers can use our contact form, email (info@peakprimalwellness.com) , or phone - (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 5-7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
Can I load wood from outside?
Yes, its thru-wall design lets you refill without entering the sauna.
Which size fits my space?
Choose 12 kW for 210–423 cu ft or 18 kW for 317–635 cu ft.
How many stones do I need?
Minimum 265 lb for 12 kW, 353 lb for 18 kW.
Is it efficient?
Yes—uses up to 40% less wood and emits significantly less smoke.
What are required clearances?
Front/back: ~142–153 cm; sides: ~86–103 cm; minimal floor-mount distance.
Is it BIMSCH-certified?
Yes, it meets German BIMSCH standards for low-emission burning.
Is it easy to install?
Yes—a floor-mount thru-wall design with top flue and compact clearance needs.
