Last updated 2026-07-09

What saunas does Costco actually sell?

Costco's sauna selection lives almost entirely online at Costco.com, not in the warehouse. Walk into a Costco and you're unlikely to find a sauna on the floor. The inventory rotates, so what's available in October probably won't be there in March. That said, Costco has consistently carried two main types over the past several years: infrared saunas and barrel saunas.

Infrared saunas at Costco are typically one- or two-person units from brands like Dynamic Saunas and Radiant Saunas. These are wood cabinet saunas with carbon or ceramic far-infrared panels inside. They plug into a standard 120V outlet, which makes setup easy, and they usually run between $800 and $2,500 depending on size ^[1].

Barrel saunas show up at Costco more seasonally. These are traditional Finnish-style round or oval cedar barrels with a wood-burning or electric heater, designed for outdoor use. Prices for Costco barrel saunas have ranged from roughly $1,800 to $4,000. They're heavy, require more installation work, and often ship freight rather than standard parcel delivery.

Costco has also occasionally sold portable steam saunas (basically a fabric tent with a steam generator) for under $100 and smaller pop-up infrared tents around $400. Those are a different product category entirely, aimed at people who want something they can fold up and store. If you want to understand the full range of what a home sauna can be, it helps to know that Costco only covers a slice of the market.

How much does a Costco sauna cost?

The honest range is $400 to $4,500, depending on type and size. Here's what that actually breaks down to:

These numbers are based on Costco's publicly listed pricing over recent seasons ^[1][2]. They shift with promotions and clearance events, especially around Black Friday and spring outdoor season. Costco members sometimes see an additional $100, $300 off during special sales events, but those aren't guaranteed.

For context, the same infrared cabinet models sold at Costco often show up at Home Depot, Sam's Club, or direct from the brand at similar or slightly higher prices. Costco's edge is usually the return policy and the bundled warranty handling, not dramatically lower prices. A two-person infrared sauna from a reputable brand typically costs $1,500, $3,000 across all retailers, so Costco sits in the normal range, not a dramatic discount.

Shipping adds cost on the larger units. Barrel saunas ship freight, and while Costco often includes free delivery, the scheduling and handling of a several-hundred-pound package is something to plan for.

Are Costco saunas good quality?

Quality is inconsistent, and that's the honest answer. The brands Costco has carried, primarily Dynamic Saunas and Radiant Saunas (both owned by Great Lakes International Trading, the same parent company), sit in the mid-range of the infrared sauna market ^[1]. They're not the cheapest available, but they're not in the same category as Finnleo, Sunlighten, or Sauna Space either.

The wood is typically Canadian hemlock or basswood, both acceptable choices that are stable and smell neutral. The infrared panels in entry-level units are usually ceramic, which heats quickly but can have uneven heat distribution. Better units in the $1,800+ range tend to use carbon panels, which emit more evenly distributed far-infrared heat. Whether that distinction matters for your health outcomes is debated; nobody has great comparative data on carbon versus ceramic panels for recovery effects specifically.

Build quality complaints that show up repeatedly in owner reviews include: panels that require careful assembly alignment, digital controls that fail within a year or two, and wood warping if the unit is used in a humid environment without proper ventilation. These aren't universal, but they're common enough to take seriously.

Barrel saunas from Costco are generally better-built than the infrared cabinets at the same price point. Cedar is durable by nature, the design is simpler, and there's less electronics to fail. A wood-fired barrel sauna with a good heater and quality cedar staves can last 15 to 20 years with basic maintenance. If you're choosing between a $2,000 infrared cabinet and a $2,000 barrel sauna at Costco and you have outdoor space, the barrel sauna is probably the better long-term purchase.

For a broader look at what makes a home sauna worth the money regardless of where you buy it, the type of heater and the wood quality are always the two most important factors.

What are Costco's return policy and warranty terms for saunas?

Costco's general return policy is one of the most generous in retail: most items can be returned at any time for a full refund ^[3]. Saunas fall under this policy, which matters because it removes some of the risk of buying a product you haven't tried in person.

In practice, returning a 400-pound barrel sauna is logistically complicated even if Costco will process the refund. You'd need to repack it and coordinate freight pickup. Smaller infrared cabinets are more realistic to return. If you're buying online and there's any chance you'd want to return it, factor in the hassle of disassembly and repacking before you commit.

Warranties on the saunas themselves are set by the manufacturer, not Costco. Dynamic Saunas and Radiant Saunas have typically offered warranties in the range of one to five years depending on the component: longer on the wood structure, shorter on electronic parts and heaters ^[1]. Read the specific warranty for the unit you're buying, because coverage varies between models even within the same brand.

Costco also sells an optional Costco Protection Plan (extended warranty) on some major purchases, which may be offered at checkout for larger sauna purchases. These run roughly 10 to 15% of the product price for two to three years of coverage. Worth it or not depends on how much you trust the base warranty. For electronics-heavy infrared saunas, extended coverage on the control panel and heater panels is actually reasonable.

How does buying a sauna at Costco compare to other retailers?

The main alternatives for the same price range are Home Depot, Wayfair, Sam's Club, Amazon, and buying direct from brands like Dynamic Saunas, Radiant Saunas, or Sunlighten. Here's the honest comparison.

Costco usually matches Amazon and Wayfair on price for the models they carry. The Costco advantage is the return policy and the fact that you're buying from a company with customer service that has real pull with its suppliers. If something arrives damaged, Costco resolves it faster than fighting with a third-party Amazon seller.

Home Depot and Lowe's carry some of the same Dynamic and Radiant Sauna models. Pricing is similar, but Home Depot's return window is 90 days and their extended warranty program is different. If you're a Pro member or have a store credit card, Home Depot may have financing options that matter.

Buying direct from brands like Sunlighten or Sauna Space gives you better product but costs more, typically $3,000, $8,000 for a two-person infrared unit. These brands have full-spectrum (near, mid, and far) infrared emitters, tighter EMF specs, and better customer support. A study in the Journal of Human Hypertension found that far-infrared sauna use produced measurable cardiovascular effects, though the researchers noted the need for larger trials ^[4]. Better panels may produce better outcomes, but the evidence isn't clean enough to say definitively.

Sam's Club carries similar mid-range brands to Costco at comparable prices, and their return policy is also solid. If you're already a Sam's Club member and not a Costco member, the math changes.

For anyone who wants a higher-performance unit than Costco carries, SweatDecks carries a curated selection of home saunas that sit above the Costco tier in heater quality and EMF ratings, worth comparing before you commit to a purchase.

Bottom line: Costco is a good place to buy a starter or mid-range infrared sauna if you're cost-conscious. It's not the place to buy a premium unit.

Does Costco sell outdoor saunas?

Yes, Costco sells outdoor saunas, primarily barrel saunas. These ship freight, often via a carrier like Estes or XPO Logistics, with curbside delivery being the standard service level. That means the truck drops it at the end of your driveway, and moving it to the backyard is your problem. For a 400 to 600 pound barrel sauna kit, plan on having two to three people and a hand truck available.

Costco's outdoor barrel saunas have typically been cedar, which is the right choice for outdoor use. Cedar resists moisture and insects naturally, and it handles freeze-thaw cycles better than hemlock or basswood ^[5]. If you're in a climate with harsh winters, cedar is what you want.

Heating options in Costco's outdoor saunas have included both wood-burning stoves and electric heaters. Wood-burning is the traditional Finnish approach and produces the highest temperatures (up to 185°F or more), but it requires a chimney, clearance distances, and local fire code compliance ^[6]. Electric heaters in outdoor barrel saunas usually need a 240V circuit run to your backyard, which is a licensed electrician job in most jurisdictions.

For more on the tradeoffs of siting and building an outdoor sauna on your property, including permit requirements and clearance rules, that's worth reading separately before you buy anything. The purchase decision and the installation decision are two different projects.

Costco doesn't offer installation services for saunas. Some third-party installers and local electricians do this regularly, so it's not hard to find help, but it's a cost to add to the budget.

What infrared sauna brands does Costco carry?

The two brands Costco has most consistently sold are Dynamic Saunas and Radiant Saunas. Both are owned by Great Lakes International Trading (GLIT), a Michigan-based distributor ^[1]. That shared parent means the products share manufacturing origins and components, even though the branding differs.

Dynamic Saunas positions itself slightly upmarket within the GLIT lineup. Models like the Andora, Montreal, and Barcelona series have appeared at Costco. These use low-EMF carbon heating panels and typically have digital controls with Bluetooth audio in higher-end configurations.

Radiant Saunas is the more budget-oriented brand in the GLIT family. You'll find ceramic panel heaters more often in this line, which heat faster but produce less even heat distribution than carbon panels.

Costco has occasionally carried Canadian Spa Company products, including combination infrared and steam units. These are more complex mechanically and have more potential failure points, but they offer a different experience than a pure infrared sauna.

Brands you won't find at Costco: Sunlighten, Sauna Space, Finnleo, Harvia, Tylö, or Huum. These are sold through specialty dealers and direct-to-consumer channels. If any of those names matter to you, Costco isn't your store. If you're researching what a sauna can do and which type fits your goals, understanding the brand landscape helps set realistic expectations.

Is a Costco sauna good for health and recovery?

The honest answer is: probably yes for general wellness, with important caveats about what the research actually shows.

Regular sauna use has been associated with cardiovascular benefits in observational studies. A study following 2,315 Finnish men found that using a sauna four to seven times per week was associated with a significantly lower risk of sudden cardiac death and all-cause mortality compared to once-weekly use ^[7]. The researchers noted this was observational data and could not confirm causation, but the association held across adjustments for known confounders.

The National Institutes of Health notes that sauna bathing may produce effects similar to moderate-intensity aerobic exercise in terms of heart rate and cardiovascular response, though it cautions that this doesn't replace exercise ^[8].

What a Costco sauna specifically does well: it gets hot enough (infrared cabinets typically reach 130 to 150°F; barrel saunas with good heaters can reach 170 to 185°F) to produce genuine heat stress. The sauna experience that matters for most of the research on sauna benefits is repeated, consistent heat exposure over time. A $1,500 infrared sauna you use four times a week beats a $6,000 sauna you use once a month.

What to be careful about: some Costco infrared sauna models have reported elevated EMF levels in user testing, though the brands claim low-EMF specs. Third-party testing by sites like SaunaSpace and independent EMF researchers has found variation in actual EMF output versus advertised specs. Nobody has established a definitive safe threshold for sauna EMF exposure specifically, but if EMF is a concern for you, ask the seller for third-party test data before buying.

People with cardiovascular disease, low blood pressure, or pregnancy should check with a physician before using any sauna. The American College of Cardiology has noted that for most healthy adults, sauna use appears safe ^[9].

Can you add a cold plunge to go with a Costco sauna?

Contrast therapy, alternating between heat and cold exposure, has become one of the most popular recovery protocols among athletes and wellness-focused people. Costco does not sell dedicated cold plunges or ice baths as of 2025, so if you want the full contrast setup, you'll need to buy those separately.

The research on contrast therapy is genuinely interesting, though the mechanistic details are still being worked out. A 2021 systematic review in Sports Medicine found that contrast water therapy reduced muscle soreness more effectively than passive recovery in several controlled trials, though effect sizes varied by protocol ^[10]. The typical protocol involves 10 to 20 minutes of sauna followed by a 2 to 5 minute cold immersion.

For the cold side of the equation, options range from a basic chest freezer conversion (around $200, $400 for DIY setups) to purpose-built cold plunge tubs starting around $500 for uninsulated models and going to $3,000 or more for temperature-controlled units. An ice bath setup that stays consistently cold with a chiller is far easier to use daily than one requiring regular ice purchases.

If you buy a sauna at Costco and want to build out a contrast therapy setup at home, the sauna purchase decision and the cold plunge decision are actually somewhat independent: the cold immersion equipment doesn't need to match the sauna brand or type. SweatDecks carries purpose-built cold plunge options for people putting together home recovery setups, worth checking before you piece together a DIY solution.

The cold plunge benefits from regular cold immersion include reduced delayed onset muscle soreness, improved alertness, and some evidence of improved mood via norepinephrine release. These effects are real but dose-dependent: occasional cold exposure has smaller measurable effects than consistent daily or near-daily practice.

What do Costco sauna reviews actually say?

Reading Costco's own review pages, Trustpilot, and Reddit threads (particularly r/Sauna and r/HomeImprovement) gives a more honest picture than the product listings alone.

Positive patterns in real reviews: easy assembly for a single person over a few hours, effective heat for the price, solid Costco customer service when something goes wrong on delivery. Many buyers report genuine satisfaction with infrared cabinets in the $1,200, $1,800 range if they go in with realistic expectations about the build quality.

Negative patterns: control panels failing after 12 to 18 months is the most common complaint. The digital controllers on Dynamic and Radiant Saunas models have a weak track record for longevity, particularly if the sauna sits in a garage or space with temperature swings. Wood quality inconsistencies show up occasionally, specifically knots or pre-finished surfaces that don't hold up to repeated heat cycles.

On the barrel sauna side, reviews are generally more positive for durability but note that assembly is genuinely time-consuming (6 to 10 hours for two people is typical) and that the heater selection matters a lot. Units with the cheaper included heaters are often upgraded by buyers who spend an extra $200, $400 on a better Harvia or Huum stove.

The return policy provides real protection here. Multiple Costco sauna buyers report successfully returning units that had functional defects, which means the policy isn't just marketing. The logistical annoyance is real, but the refund process reportedly works.

When is the best time to buy a sauna at Costco?

Costco's sauna inventory peaks in two seasons: late fall (October through December), when saunas are marketed as holiday gift purchases and Black Friday deals appear, and spring (March through May), when outdoor saunas get promotional placement ahead of summer.

The deepest discounts have historically appeared in November and December, with some units seeing $200, $500 off the regular online price during major sales events. These promotions are not announced far in advance and often sell out quickly. Watching Costco's website directly is more reliable than waiting for email alerts.

Clearance pricing sometimes appears in late summer (August) when Costco cycles out seasonal inventory. These clearance units may be last year's models, but since the brands don't change dramatically year over year, that's often fine.

If you need a sauna immediately (for example, you're recovering from an injury and want the unit in two weeks), buying outside of sale periods and paying the standard price is still reasonable given that the absolute price difference is a few hundred dollars, not a dramatically different product.

Costco's free shipping on most online orders applies to saunas, but freight delivery scheduling adds time. From order to delivery, expect 1 to 3 weeks for infrared cabinets and potentially 2 to 4 weeks for barrel saunas, depending on freight carrier availability in your area. That timeline matters if you're buying for a specific event or season.

What do you need to install a Costco sauna at home?

Installation requirements vary by sauna type, but there are a few universal considerations.

For infrared saunas: most one-person and some two-person units plug into a standard 15A or 20A 120V outlet. Larger two-person units may require a 240V/20A dedicated circuit, similar to a dryer outlet. Check the specification sheet before you buy, not after the unit arrives. Running a new 240V circuit costs $200, $600 depending on panel location and run distance, and requires a licensed electrician in virtually all U.S. jurisdictions ^[6].

For barrel saunas with electric heaters: you almost certainly need a 240V circuit run to an outdoor location, which includes weatherproof conduit and outdoor-rated components. Budget $400, $800 for this work.

For wood-burning barrel saunas: no electrical work needed for the heater itself, but you need a chimney installation that meets local fire codes. Clearance distances from combustible materials are specified by both the heater manufacturer and local codes. Some municipalities require a permit for this work ^[6].

Floor surface matters for outdoor saunas. The barrel needs to sit on a level, stable surface: a concrete pad, paver stones, or pressure-treated wood decking are all appropriate. Sitting directly on grass or soil leads to wood rot at the contact points within a few years.

Indoor infrared saunas need a flat, level floor (tile, hardwood, and laminate all work), adequate ceiling height (most units are 75 to 77 inches tall, so 7-foot ceilings are fine), and a door that swings outward from the installation space. A portable sauna skips most of these requirements if you're working with a small space.

Ventilation for indoor saunas is worth considering even though it's often skipped. Excess humidity from an infrared sauna is minimal (unlike a traditional steam sauna), but consistent heat cycling in an enclosed room benefits from an exhaust fan or cracked window.

Frequently asked questions

Does Costco carry saunas in the warehouse or only online?

Almost entirely online at Costco.com. Occasionally a barrel sauna or infrared unit appears on a warehouse floor as a seasonal item, but relying on in-store availability is unrealistic. The full selection, such as it is, lives on the website and rotates. If you want to see a sauna in person before buying, specialty sauna dealers and some showrooms offer that.

What's the cheapest sauna Costco sells?

Portable infrared tents and single-person tent saunas have appeared at Costco for $400, $600. These are fabric enclosures with a steam generator or infrared panel, not the same as a wood cabinet sauna. They work for heat exposure but feel very different from a real sauna and are not built for longevity. One-person wood cabinet infrared saunas start around $800, $1,000 at Costco.

Can I return a sauna to Costco if I don't like it?

Yes, Costco's return policy covers saunas with no stated time limit for most members. The practical challenge is logistics: repacking a 300-pound sauna and scheduling freight pickup is real work. Smaller infrared cabinets are more manageable to return than large barrel saunas. The refund process itself is straightforward once you contact Costco member services.

Are Dynamic Saunas and Radiant Saunas the same company?

Effectively yes. Both brands are owned by Great Lakes International Trading, a Michigan-based distributor. They share manufacturing origins and many components. Dynamic Saunas is positioned slightly higher end within the lineup, with more carbon panel models. Radiant Saunas leans toward entry-level pricing with ceramic heaters. Understanding this matters because product support and parts availability come from the same company either way.

Do Costco saunas have low EMF?

The brands advertise low-EMF panels, but third-party testing results vary. Some models test well; others show elevated readings near the heating panels in independent tests. If EMF is a concern, ask the manufacturer for third-party test documentation rather than relying on the marketing claim alone. No regulatory agency has set specific EMF limits for home saunas in the United States.

Does a Costco infrared sauna need a special electrical outlet?

Many one-person models plug into a standard 120V/15A household outlet. Two-person and larger models often need a dedicated 20A circuit at 120V, or in some cases a 240V circuit. Check the spec sheet for the specific model before purchasing. Running a new dedicated circuit costs $200, $600 with a licensed electrician and is required by code in most U.S. jurisdictions for 240V work.

How long does it take to assemble a Costco sauna?

Infrared cabinet saunas typically take one to three hours for one or two people with basic tools. Barrel saunas are significantly more involved: six to ten hours for two people is a realistic estimate. Both require careful panel alignment and following the instruction sequence exactly. Many owners report that having two people makes assembly noticeably faster and avoids stress on the wood joints.

Is a Costco sauna worth it compared to a gym sauna membership?

The break-even math depends on your gym costs and usage frequency. A $1,500 sauna at four uses per week breaks even against a $15/session public sauna visit in about 25 weeks. For daily users, the math favors home ownership quickly. The convenience of a home sauna also drives usage consistency, which is what the health research suggests actually matters.

What temperature do Costco infrared saunas reach?

Most infrared cabinet saunas from Dynamic and Radiant Saunas reach a maximum of 140 to 150°F (60 to 65°C). That's lower than a traditional Finnish sauna, which runs 165 to 190°F. The lower temperature in infrared saunas is partly by design: infrared heat penetrates tissue without needing the ambient air temperature of a traditional sauna. Both approaches produce genuine heat stress.

Can I use a Costco barrel sauna in winter?

Yes, outdoor barrel saunas work in winter and are popular in Nordic countries precisely for cold-weather use. Cedar handles freeze-thaw cycles well. A wood-burning heater will reach operating temperature regardless of ambient cold, though it takes slightly longer in very low temperatures. Electric heaters in outdoor barrel saunas should be rated for outdoor use and properly weatherproofed.

What's the difference between a Costco sauna and a steam room?

Costco saunas use dry heat (infrared or wood-heated air), while steam rooms use humid heat from a steam generator. Saunas typically run hotter and drier: 140 to 190°F with 10 to 20% humidity. Steam rooms run around 110 to 120°F at near 100% humidity. The experiences feel very different. Both have associated wellness research, but the traditional sauna literature is more extensive. See the full comparison in our sauna vs steam room guide.

Does Costco sell two-person saunas?

Yes, two-person infrared cabinet saunas are a regular part of the Costco online lineup, typically priced from $1,400 to $2,500 depending on the model and current promotions. Two-person barrel saunas appear seasonally in the $2,000, $4,500 range. Two-person infrared models at Costco usually require either a dedicated 20A 120V circuit or a 240V outlet, so confirm the electrical requirements before ordering.

Are there any Costco saunas with full-spectrum infrared?

Not reliably. Costco's typical lineup from Dynamic and Radiant Saunas focuses on far-infrared emitters, either ceramic or carbon. Full-spectrum units that include near-infrared and mid-infrared in addition to far-infrared are sold primarily by specialty brands like Sunlighten and Sauna Space, which are not sold at Costco. If full-spectrum is a priority, you'll need to shop outside Costco's catalog.

How long do Costco saunas last?

Wood structure and cedar barrel components can last 15 to 20 years with basic maintenance. The electronics in infrared cabinet saunas are the weak point: control panels and heating panels on Dynamic and Radiant models have a documented failure rate after 2 to 4 years in some owner reports. Extended warranties on the electronic components are worth considering for infrared units. Barrel saunas with wood-burning heaters have fewer electrical parts to fail.

Sources

1. Great Lakes International Trading / Dynamic Saunas brand and product information: Dynamic Saunas and Radiant Saunas are the primary sauna brands sold at Costco, both under Great Lakes International Trading; pricing ranges from approximately $800 to $4,500 depending on model
2. Costco Wholesale – Saunas category, Costco.com: Costco sauna pricing observed across seasonal listings, ranging from portable tent models around $400 to barrel saunas up to $4,500
3. Costco Wholesale – Return Policy: Costco offers a satisfaction guarantee with no stated time limit on most merchandise, including saunas
4. Journal of Human Hypertension – Far infrared sauna as a novel intervention for cardiovascular health (Imamura et al.): Far-infrared sauna use produced measurable cardiovascular effects in study participants, though researchers noted the need for larger controlled trials
5. USDA Forest Service – Wood Handbook: Wood as an Engineering Material: Western red cedar has natural resistance to moisture and decay, making it appropriate for outdoor structures exposed to weather cycling
6. National Electrical Code (NFPA 70) – Article 210 and Article 230: 240V electrical circuits require licensed electrician installation and permits in most U.S. jurisdictions; dedicated circuits are required for high-draw appliances
7. JAMA Internal Medicine – Association Between Sauna Bathing and Fatal Cardiovascular and All-Cause Mortality Events (Laukkanen et al., 2015): Among 2,315 Finnish men, using a sauna 4–7 times per week was associated with significantly lower risk of sudden cardiac death and all-cause mortality compared to once-weekly use
8. National Institutes of Health – National Center for Complementary and Integrative Health, sauna overview: NIH notes sauna bathing may produce cardiovascular responses similar to moderate aerobic exercise and cautions it does not replace physical activity
9. American College of Cardiology – Sauna use and cardiovascular health editorial: For most healthy adults, regular sauna use appears safe; people with cardiovascular disease should consult a physician before starting sauna use
10. Sports Medicine – Contrast water therapy and exercise-induced muscle damage (Bieuzen et al., 2013 systematic review): Contrast water therapy reduced muscle soreness more effectively than passive recovery in multiple controlled trials, though effect sizes varied by protocol