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Wood Fired Sauna Heaters
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Timberline Wood Fired Sauna Heaters
Experience Traditional Heat with Our Wood-Fired Sauna Heaters. Designed for optimal performance, our wood-fired sauna heaters provide a natural, soothing heat that enhances your sauna experience. Crafted with high-quality materials, these heaters offer efficient, lasting warmth for any size sauna. Perfect for those seeking an authentic, off-the-grid sauna experience, our wood-fired heaters combine durability, style, and performance.
WHY CHOOSE NORTHERN LIGHTS?
100% Clear Western Red Cedar
Cedar has long been the premier sauna wood. Clear Cedar has no knots ensuring the longevity of our product products
Electric - Wood Fired - Infrared
The most heating choices to build your sauna. Choose from wood fired, infrared or our surgical stainless steel electric sauna heaters
Best Warranty
Our commitment to quality has been the conrner stone of our success. Our barrel saunas come complete with a full 5 year warranty.
Customer Support
We are Sauna Enthusiast first and foremost. Give us a call and let us help discuss all your sauna needs.
15 Inch Firebox
With removable ash catcher and ceramic infused heat resistant glass door that allows the fire’s soft glow to illuminate the sauna room.
Prefect For Off-Grid or Remote Locations
Requires no electricity, making our stoves perfect for use in off grid cottage applications or remote locations, although a lot of our customers still prefer our wood burning stoves for their therapeutic benefits even when they do have access to electricity.
Traditional Features Meet Modern Design
WOOD FIRED SAUNA HEATER
Engineered for efficiency and durability, our stoves are made of only the highest-quality materials, and our low prices make the Timberline wood sauna stove stand on its own in the wood fired heater marketplace.
SAUNA BUCKET
Accessories
SAUNA TIMERS
Accessories
PERFECT
DINING EXPERIENCE
Discover a diverse selection of sauna accessories at Cedar Barrel Saunas that are meticulously designed to enrich and personalize your sauna experience with both functionality and style.
Enhance your experience with
FINANCING WITH AFFIRM
Affirm makes it easy buy. Select your payment method term. As low as 0% interest OAC.
A wood-fired sauna heater turns a sauna into something closer to the original Finnish ritual: a slow fire built up in a cast-iron stove, the smell of cedar mixing with woodsmoke, a forty-minute heat-up while you split a little more kindling. We stock the Timberline Wood Sauna Stove — a stainless-steel firebox heater built for sauna service, rated for rooms up to 800 cubic feet (think 6×6 ft up to 8×8 ft barrels and pre-cut kits). $1,248. No electricity needed.
Why people choose wood-fired over electric
Three reasons we hear over and over. First, no grid power required — you can put a sauna at the back of a property, on an island, off-grid, anywhere with airflow for a chimney. Second, the heat feels different: regulars describe wood heat as softer and more enveloping than electric, partly because the firebox radiates from a larger surface area and partly because there's something psychological about a real fire. Third, the ritual: building the fire, tending it, watching the flames through the door — that's part of what they're buying.
The trade-off: 45-60 minutes to heat versus 25 for electric. You'll keep firewood split and dry. The chimney needs inspecting once a year for creosote. None of it is hard, but it isn't push-button.
Room sizing and clearances
The Timberline stove handles 200-800 cu ft of insulated sauna space. That covers our 6×6 ft barrel saunas through 7×7 ft pre-cut kits comfortably. For larger rooms, you'd need a bigger sauna-rated wood stove (we can source on request) or pair the firebox with an electric backup.
Clearances from combustibles: 18 inches behind, 12 inches sides, with a stove board or tile beneath. Wall shields cut these distances substantially if space is tight. Your installer or the stove manual specifies the exact numbers for your installation jurisdiction.
Chimney and venting
A double-wall insulated stainless chimney is required — single-wall pipe overheats the surrounding wood frame. The chimney exits through the roof or sidewall, terminates at least 3 feet above the roof penetration, and 2 feet above anything within 10 feet horizontal. Most installs use a 6-inch insulated chimney kit (sold separately by chimney-system manufacturers).
An outside-air kit is recommended if your sauna is in a tight building envelope — it gives the fire combustion air from outside the room so the sauna doesn't go negative-pressure on you mid-session.
Firewood: what to burn
Hardwoods: oak, maple, beech, ash. Burn hot, last long, low creosote. Best choice.
Softwoods: pine, spruce, fir. Burn fast and hot for kindling and quick heat-ups, but high resin = high creosote. Use sparingly, never as the main fuel.
Avoid: pressure-treated wood, painted wood, driftwood (saltwater residue), composite logs. They produce toxic smoke and corrosive deposits inside the stove.
Lifespan and maintenance
The Timberline stainless firebox runs 15-25 years with regular use. Annual chimney sweep is mandatory; expect to replace the chimney cap and possibly the top section every 8-10 years from heat erosion. Replace the rocks every 3-5 years (water-on-rocks degrades them gradually).
Pair with our wood-fired barrel saunas or the DIY pre-cut kits — both work with this stove, just confirm the framed wall clearances before you frame.
Frequently asked questions
How long does a wood-fired sauna take to heat up?
45-60 minutes from cold to 170°F in an insulated 7×7 room with seasoned hardwood. Outside temperature and wood dryness move that range — dry oak in mild weather, closer to 40 minutes; damp pine in a cold winter, closer to 90.
Do I need a permit for a wood-fired sauna?
Almost always yes — a building/mechanical permit for the chimney installation, and a final inspection. Your municipality will want to see the stove model, the clearance documentation, and the chimney specs.
Is wood-fired or electric more efficient?
For total energy consumed, wood-fired loses more heat up the chimney. For cost per session, wood is often cheaper depending on local electric rates and firewood availability. For environment, well-seasoned hardwood in a modern stove is roughly carbon-neutral; electric depends on your grid mix.
Can I install a wood-fired heater myself?
The stove itself: yes. The chimney installation: technically yes but almost everywhere a licensed installer or signed-off inspection is required. Insurance companies routinely reject claims on uninspected wood-stove installs.
What about smoke smell in the sauna?
A correctly-installed chimney with adequate draft produces zero smoke inside the sauna during operation. You'll smell wood when starting the fire (the initial draft establishment) — after that, the inside should smell like cedar, not smoke.
