Experience the epitome of relaxation with the Cozy Heat Thru-Wall Sauna Heater. Handcrafted in Estonia, a country renowned for its sauna culture, this wood-burning stove brings the authentic sauna experience right to your home. Feel the gentle warmth envelop your senses as you savor the therapeutic benefits of a traditional sauna.
Designed for intimate spaces, the Cozy Heat offers a mild and long-lasting heat that's perfect for unwinding. Its unique through-the-wall design adds convenience, allowing you to fuel the fire without interrupting your relaxation. With a robust stainless steel flame cutter, this heater is built to last, ensuring years of enjoyment.
Transform your sauna into a personal oasis of tranquility. The Cozy Heat Sauna Heater isn't just a product; it's an invitation to a world of relaxation and rejuvenation. Immerse yourself in the soothing warmth and let the stresses of the day melt away.
Discover the transformative power of a wood-fired sauna and elevate your wellness routine to new heights. Order your Cozy Heat Thru-Wall Sauna Heater today and embark on a journey of relaxation and renewal.
FEATURES
- Enjoy the classic sauna experience with a wood-burning stove that offers mild, long-lasting heat. This traditional stove is hand-made in Estonia, ensuring a genuine and cozy sauna atmosphere.
- The Cozy Heat TW stove is designed to produce up to 40% less fuel consumption compared to similar models. Plus, it has a German BIMSCH certificate, making its smoke gases 6 times cleaner, so you can enjoy a healthier environment.
- Built with a 5mm-thick stainless steel flame cutter, this stove is crafted for long-term durability. Its sturdy steel construction ensures reliable performance and longevity.
- Enjoy peace of mind with a stove that boasts minimal safety distances, making it a practical choice for both small and large sauna spaces. Its efficient design allows for a more enjoyable and stress-free sauna experience.
MANUAL(S):
Domestic USA Shipping: Your Cozy Heat Thru-Wall Sauna Heater will be packed and shipped within 1-3 business days and delivered to you between 5-10 business days.
Dimensions: | Cozy TW12: 20.06D x 16.92W x 27.55H in. Cozy TW18: 24.58D x 19.68W x 29.76H in. |
Primary Fuel: | Wood |
Power: | 12, 18 KW |
Room Size Heating Capacity: | 210- 636 cu ft. |
Material: | Stainless Steel |
Heater Weight: | 126 -185 lbs |
Flue Connection Location: | Top |
Diameter of Firewood: | 3.15" to 4.72" |
Stones Included: | No |
(1) Outer Frame of the Heater, (1) Chimney Pipe, (1) Heater Body, (1) Cleaning Hatch, (1) Heater Door With Glass, (1) Ash Box, (1) Installation and Operation Manual, (1) 2-year Warranty, (6-8) Sauna Stones, Split Face, 10-15cm, 44lbs, (8-11) Sauna Stones, Rounded Olivine, 10-15cm, 44lbs
30 DAY MONEY BACK GUARANTEE - NO RESTOCKING FEES*
If you're not satisfied with an item that you purchased from SAKSBY.COM, you can return it within 30 days after delivery for a refund* (Read Free Returns Policy), as long as the item is in its original saleable condition and packaging. Items that have been used or modified in any way may not be returned. *Exclusions to our Free Returns Policy are outlined below.
To return an item, submit your request in writing and send it to hello@saksby.com. We will send you a prepaid shipping label and instructions on how to send your item back to us.
The following items may NOT be returned:
- Products which are eligible for parts under manufacturer warranty;
- Items that arrived damaged. In these cases, our shipping policy regarding damages applies.
- Items that have been opened, used or modified in any way.
- Items without the original packaging (including shipping pallet, if applicable).
- Items that deemed unsellable at new.
- Made-to-order items (please refer to the product page to check the item’s eligibility for return).
- Any items shipped to Canada.
- Used Products with a noticeable trace of use.

COZY HEAT WARRANTY
SAUNA HEATER FAQS
The heater you need for your sauna depends on its size, type, and your preferences. First, calculate the sauna's cubic footage (length x width x height) to determine the heater's power requirements—smaller saunas (up to 100 cubic feet) typically need 3-4.5 kW heaters, while larger ones (300+ cubic feet) may require 9-12 kW. Choose between traditional electric or wood-burning heaters for a classic sauna experience, or opt for infrared panels for energy efficiency and direct body heating. Consider features like built-in controls, safety mechanisms, and design aesthetics. For a modern, high-performance option, brands like HUUM offer stylish and efficient heaters tailored to various sauna sizes and needs.
02. What Is The Lifespan Of A Sauna Heater?
The lifespan of a sauna heater typically ranges from 10 to 20 years, depending on factors like the quality of the heater, how often it is used, and how well it is maintained. High-quality heaters from reputable brands, such as HUUM, are designed to withstand years of regular use, but proper care is essential to ensure their longevity. Cleaning the heater regularly, checking and replacing any worn-out parts, and using the heater within its recommended capacity can all help extend its lifespan. Additionally, heavy usage or neglecting routine maintenance can shorten a heater's life, so taking care of your sauna heater is key to making it last for many relaxing years.
03. How Is My Sauna Heater Shipped?
Your sauna heater will be shipped via LTL freight in large, crated boxes. A delivery appointment will be scheduled before arrival.
04. How Much Does Shipping Cost?
We cover the shipping charge on all sauna heaters. The price you see online includes FREE shipping!
05. How Do I Clean My Sauna Heater?
Cleaning your sauna heater is simple and essential for maintaining its performance. Start by turning off the heater and allowing it to cool completely to ensure safety. Remove the sauna rocks and inspect them for cracks or deterioration; replace any damaged rocks. Use a soft brush or cloth to clean away dust and debris from the heater’s surface and interior, taking care not to damage any wiring or delicate components. If the heater has a removable grate or guard, clean it with warm, soapy water and dry it thoroughly before reassembling. Wipe down the rocks with a damp cloth to remove any dirt or buildup, and reposition them evenly when placing them back into the heater. Regular cleaning will keep your sauna heater running efficiently and prolong its lifespan.
06. What If My Sauna Heater Arrives Damaged?
Inspect your sauna heater upon delivery and note any damages before signing the receipt. Contact us within 48 hours to start a claim. Your sauna heater will be either serviced or replaced.
07. Who Do I Contact For Warranty Support?
Contact hello@saksby.com or call 844-717-5044