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We’ve touched on barrel saunas before - in our broader guides about outdoor saunas - but today, we’re giving them the spotlight they deserve. These unique, eye-catching saunas aren’t just popular for their looks. Their clever design, fast heat-up times, and compact footprint make them a favorite for outdoor wellness spaces. In this quick guide, we’re diving deeper into what a barrel sauna really is, how to plan for one, and what to look for if you want the best barrel sauna model for your setup.
When it comes to building a quality barrel sauna, the wood matters just as much as the shape. Cedar and spruce are the two most popular choices - and for good reason. Cedar is known for its natural resistance to decay, beautiful aroma, and rich reddish tones. But it comes at a premium price. Spruce, on the other hand, is lighter in color, clean in scent, and offers excellent thermal performance at a more accessible cost.
At Eden Hut, we focus on thermally treated Nordic spruce, and we’ve been working with it for years. It’s grown in colder climates, which gives it a tighter grain and added strength — ideal for saunas that need to hold up in all kinds of weather. The thermal treatment process we use enhances its durability even more, reducing moisture absorption and minimizing warping over time. It's one of the best materials for best outdoor barrel sauna construction.
Barrel saunas come in a range of sizes, and choosing the right one depends on how many people you plan to share it with - and how much space you have. On our website, you’ll find models designed for 2 to 6 people, which tend to hit the sweet spot for most homeowners. A compact 2-person sauna is great for solo use or small patios, while 4-person barrels are ideal for couples or small families who want a little extra room to stretch out. If you're all about entertaining or have a larger backyard, the 6-person model offers plenty of space without losing the cozy, efficient feel that makes barrel saunas so appealing. The curved walls create a more intimate environment, but it’s still important to check interior bench length and headroom when choosing your size - especially if comfort is a priority.
When it comes to comfort, we’re circling back once again to the barrel shape - because it plays a big role in how your sauna feels from the inside. For some, the curved design is instantly appealing: it creates a cozy, cocoon-like atmosphere and helps heat circulate more efficiently. But it’s not for everyone. The rounded walls can limit headroom and bench placement, especially if you're tall or like to stretch out. That’s why structure matters. The most comfortable setups include opposing benches (not just one-sided), at least 18–20 inches deep, with enough clearance above so you’re not slouching. A raised footrest or second-tier bench can make a big difference too. If you're prioritizing comfort, it’s worth checking the interior layout just as closely as the exterior look.
There are two main ways to heat a barrel sauna: electric or wood-fired. Electric heaters are simple to use - just plug in, set the temperature, and wait about 30–45 minutes. They’re low-maintenance and work well if you have access to power. Wood-fired heaters use real fire and are a good fit for off-grid setups or if you prefer a more traditional feel. They heat up quickly and create that classic sauna atmosphere. Both heating methods deliver the same proven health benefits of regular sauna use, including improved cardiovascular health, stress reduction, and enhanced muscle recovery.
In terms of heat-up time, both types are fairly efficient in a well-built barrel sauna. Electric heaters usually reach full temperature in about 30–45 minutes, while wood-fired units can be slightly faster depending on the model and firewood quality. Fuel cost is another factor: electric units typically add $10–$50/month to your energy bill, depending on usage and local rates. Wood-fired saunas may cost $150–$300/year in firewood, assuming regular use. What it really comes down to is preference — whether you want precise control and clean operation, or a hands-on, immersive heat-up process that feels more connected to nature.
Before your barrel sauna arrives, it's important to have a proper foundation in place - not only for stability but also to help protect the wood and ensure good drainage. Following proper barrel sauna plan, we recommend creating a level, well-drained base using compacted gravel, concrete pavers, or a poured concrete pad. Gravel is often the simplest and most cost-effective option. A 4–6 inch layer of compacted crushed stone works well to support the weight of the sauna while allowing moisture to escape naturally. If you're using pavers, make sure they’re level and cover the entire footprint of the sauna.
If you order one of our saunas, the site prep is typically up to you, but we’ll guide you through exactly what’s needed before delivery. Most customers handle this themselves or with help from a local landscaper. That way, when your sauna arrives, it’s ready to be placed and assembled right away - no delays or guesswork.
When you order from Eden Hut, your barrel sauna is shipped flat-packed in a weather-protected crate - everything inside is carefully organized and ready for assembly. Most deliveries arrive curbside, and the crate will require two people (or a pallet jack) to move depending on the size. You’ll want a clear, level spot near your foundation for unpacking and staging the parts.
We include a full inventory list, plan and step-by-step instructions to help you get started right away. While we don’t currently offer in-house installation, our customer service team can help guide you through prep, unloading, and getting connected with local installers if needed.
In most areas, a barrel sauna doesn’t require a building permit - especially if it’s a freestanding structure without plumbing. However, there are a few exceptions. If you're planning to hardwire an electric heater, or you live in an area with strict zoning rules or protected land, it’s always a good idea to check with your local authority. It’s a quick call that can save you hassle later.
As for weatherproofing, barrel saunas are naturally well-sealed by design, but the top curve is the most exposed area. That’s why we recommend adding a protective roof shingle kit or UV-resistant cover, especially if your sauna will be sitting in direct sun, snow, or heavy rain. It helps extend the life of the wood and keeps the top looking clean and polished. A bit of seasonal wood treatment can also go a long way toward protecting your investment.
Barrel saunas typically start around $4,000 to $6,000 for a quality base kit, depending on size and materials. But that’s just the beginning. To get the full picture, you’ll need to factor in a heater — whether electric or wood-fired — which can range from $300 to $1,500, plus any extras like a chimney kit, lighting, or a protective roof cover. Site preparation is another key cost to consider. A proper gravel or concrete base may add $300 to $1,000, especially if your yard needs leveling. Delivery fees can vary depending on your location and access, and if you’re hiring help for the assembly or electrical work, add another $500 to $2,000 depending on the complexity. Altogether, a fully installed and ready-to-use barrel sauna often totals between $5,000 and $10,000+. And don’t forget the ongoing cost of heating — whether that’s electricity each month or a steady supply of firewood throughout the year.
Explore our complete range of outdoor saunas at: https://www.edenhut.co.uk/outdoor-sauna-garden
We hope this article gave you a clear, no-nonsense breakdown of what goes into owning a barrel sauna - from the structure and materials to heating options, setup, and total cost. Maybe it even sparked a bit of inspiration to look into one for your own space. Barrel saunas are still a bit of a niche product, but once you understand how they work - and why their design is so clever - it’s easy to fall in love with them, just like we did. Whether you’re planning your first sauna or fine-tuning your backyard setup, we’re here to help you make it happen.
Have questions about delivery, installation, or anything else related to our hot tubs and saunas? We're here to help! Fill out the form, and our dedicated team will assist you promptly. Your satisfaction is our priority. Get in touch today!
