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Firefly builds portable, wood-fired sauna equipment designed to go anywhere — backyards, campsites, lakeshores, cabins, hunting camps, and anywhere else you want a real sauna without permanent infrastructure. Their products are made in the USA and built around a simple premise: a traditional wood-burning sauna experience shouldn't require a permanent structure, a dedicated building, or an electrical connection. With a Firefly stove, a tent enclosure, and a foldable bench, you can set up a genuine wood-fired sauna in minutes and break it down just as fast. This is the portable traditional sauna category — real fire, real heat, real steam, no grid required.
The Firefly Northwoods is a compact, portable wood-burning sauna stove manufactured in the United States. It's designed specifically for use inside tent saunas and portable enclosures — unlike full-size wood stoves that weigh 100+ lbs and require permanent chimney installations, the Northwoods is light enough for one person to carry and set up, with a chimney that assembles and disassembles for transport. Load it with wood, light it, and you have a working traditional sauna heat source that reaches 170°F+ inside a tent enclosure.
The stove burns standard firewood (split small to fit the firebox) and produces enough heat for a 1–4 person tent sauna depending on the enclosure size and ambient temperature. You can pour water on the rocks/heat surface for löyly steam — the same Finnish sauna ritual you'd get from a permanent wood stove, just in a portable format. The Northwoods is the heat source; you pair it with a tent enclosure (sold separately or as part of a setup) to create the sauna room.
For detailed guidance on using wood-burning stoves safely, read our Best Practices for Wood-Burning Sauna Heaters guide. For comparisons with other wood-burning options, see our Harvia Wood Stove Comparison.
The Firefly Foldable Sauna Bench is a portable bench designed to pair with tent saunas and temporary sauna setups. It folds flat for transport and storage, sets up quickly without tools, and provides a proper seated surface at a comfortable height for sauna sessions. The bench is built from sauna-appropriate wood that handles the high-heat environment without warping or off-gassing. Having a proper bench (rather than sitting on the ground or on a cooler/bucket) makes a meaningful difference in portable sauna comfort — it raises you into the hotter air zone near the tent ceiling and gives you a flat, stable surface to sit on for 15–30 minute sessions.
Off-grid and remote locations. If you have a cabin, lakehouse, hunting camp, or rural property without electricity, a wood-fired portable sauna is the only option that delivers real traditional heat. No electrical hookup, no 240V circuit, no dedicated building — just firewood and a flat spot to set up. Read our Best Heaters for Off-Grid Cabins guide for a full breakdown of off-grid heating options.
Camping and outdoor recreation. The Northwoods stove and foldable bench pack into a vehicle alongside camping gear. Set up at a campsite, on a lakeshore after a cold-water swim, or at a base camp during a hunting or fishing trip. The setup and teardown time is comparable to pitching a tent — this is gear designed for people who are already comfortable with outdoor equipment and campfires.
Backyard testing before committing. If you're considering building a permanent outdoor sauna but want to experience wood-fired traditional sauna first, a portable setup lets you try the real thing before investing $5,000–$15,000+ in a permanent structure. It's also a practical interim solution while you plan and build a permanent sauna — you can use the Firefly setup in your backyard for months or years while the permanent build takes shape.
Sauna enthusiasts who travel. People who sauna regularly and don't want to skip sessions while traveling, visiting family, or spending time at a second property. The portable format means your sauna goes where you go.
A Firefly portable setup delivers the same fundamental experience as a permanent wood-fired sauna — wood fire, radiant heat, stones or a heat surface for löyly, and temperatures in the 170–200°F range. The differences are practical: a tent enclosure retains less heat than an insulated wood structure (so you'll burn more wood per session and the stove works harder in cold weather), the interior space is more limited, and the setup/teardown adds time before and after each session. A permanent wood-burning sauna with an insulated cabin and a full-size stove is a better daily-use solution. The portable setup is better when portability, flexibility, or the absence of permanent infrastructure is the priority.
For a broader look at portable options including infrared and steam tents, read our Sauna Tents: An Affordable Alternative guide and our Portable Saunas: What You Need to Know guide.
The Firefly Northwoods stove is manufactured in the United States. This means shorter shipping times, easier warranty support, and the stove is built to US material and safety standards. US-made wood-burning sauna stoves are uncommon — most sauna stoves on the market are manufactured in Finland (Harvia, Narvi) or Estonia (HUUM). Firefly fills a niche for buyers who prioritize domestic manufacturing.
You need a tent or enclosure designed for use with a wood stove — specifically, one with a stovepipe port (a heat-resistant opening in the tent wall or roof where the chimney passes through). Standard camping tents are not safe for use with wood stoves because the chimney will melt or burn through the fabric. Hot tent saunas, canvas wall tents with stove jacks, and purpose-built sauna tent enclosures all work. Browse our sauna tents collection for compatible enclosures.
With the Northwoods stove running inside an appropriately sized tent enclosure, expect 160–200°F depending on the tent's insulation, ambient temperature, wind conditions, and how aggressively you feed the fire. In calm, mild weather with a well-sealed tent, 180°F+ is readily achievable. In cold, windy conditions, you may need to keep the firebox loaded more consistently and the temperature ceiling may be lower. The experience is still unmistakably sauna — hot enough for a deep sweat and for löyly steam to feel authentic.
Yes, when used correctly with the right equipment. The critical safety requirements are: a tent with a proper stovepipe port (heat-resistant material around the chimney exit), adequate ventilation (CO and CO2 from combustion need a path out — most sauna tents have vents built in), clearance between the stove and tent walls (the stove radiates intense heat — follow the manufacturer's minimum clearance specifications), and a fire-resistant ground pad under the stove. Never leave a wood stove unattended, never use accelerants, and always ensure the chimney is properly seated before lighting. Read our wood-burning sauna safety guide for comprehensive safety practices.
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