A sauna cold plunge combo sounds like one purchase, but it is two appliances with different power, water and winter needs that happen to share a checkout page. On the listings I opened, a boxed package runs from about $12,000 to about $19,000, and none of those prices include the electrician, the pad or the drain. This page lays out what each package contains, what the two machines ask of your house, and where the sauna and cold plunge at home plan can go wrong.
What this page adds, and what it is not
I checked Ahrefs (US) before writing. "Sauna and cold plunge" shows about 1,600 searches a month, "sauna cold plunge combo" about 500 and "sauna and cold plunge combo" about 250. "Sauna cold plunge package," "sauna and cold plunge at home" and "sauna cold plunge setup" each show about 10, so I treat them as wording variants, not separate topics. The top results I saw were mostly retailer collection pages (Redwood Outdoors sits first), a Lit Method collection, shopping-grid listings, and a handful of articles about benefits and whether to plunge before or after the sauna.
What I did not see is a neutral page that puts package prices, both electrical loads, footprint and winter rules side by side. That is the gap I'm filling. This is a buyer's guide, not a health page. I'm not a doctor or an electrician, and I haven't set up, plugged in, heated or filled any of this equipment. Everything below is "the listing shows" or "the maker says", with a bracket number to the page I opened on 2026-10-07. Prices move, sometimes within a day, so read them as a snapshot.
What a sauna and cold plunge combo actually is
There are three different things sold under this phrase, and mixing them up is the most common way to misjudge the budget.
The first is a bundle sold by one maker, where a sauna and a tub are priced together and ship as two crates. Redwood Outdoors calls its line Fire & Ice and lists fourteen pairings on one page. Lit Method lists six bundles. Plunge sells its All-In tub with its own sauna. A bundle saves some money against buying the parts separately, but the saving depends on which parts, and I only have a clean before-and-after for one of them (more on that below).
The second is a DIY pairing, where you buy a sauna from one company and a tub from another. Sun Home Saunas, for instance, sells saunas and cold plunges on separate pages, and its cold plunge collection page stated no sauna bundle pricing. DIY gives you freedom on size and heater type. It also means two warranties, two delivery dates and nobody responsible for making them fit the same yard.
The third is the hot tub and cold tub pair, which some sellers file under combos too. Divine Saunas has a "Combo Collection" page where the pitch is combining a sauna with a hot tub, a shower or both for "extra savings", and it asks you to contact them to find out what is eligible. That is a different budget and a different drainage problem, so I leave it out of the numbers below.
Sauna and cold plunge package prices I could source
Here is what the pages showed. "From" means the page said "from" and I could not see the option that sets the price.
| Package | Price shown | What the page says is in it |
|---|---|---|
| Redwood Duo sauna x Alaskan All-In-One | $12,199 sale ($12,899 regular) | Listing page for the bundle line, no specs on the collection page |
| Redwood Vista sauna x Alaskan All-In-One | $13,199 sale ($13,899 regular) | Same |
| Redwood Horizon sauna x Alaskan All-In-One | $13,899 sale ($14,599 regular) | 4–6 person sauna, 1-person tub with chiller |
| Redwood Horizon sauna x Denali | $15,599 sale ($16,599 regular) on its own page, $14,599 sale on the collection page | 4–6 person sauna, 80 gal tub with chiller |
| Redwood Garden sauna x Denali | $15,699 sale ($16,699 regular) | Highest-priced Redwood pairing on the collection page |
| Lit Method Cedar Barrel plunge + Solis sauna (2–3 person) | From $14,499 | Sauna and plunge bundle |
| Lit Method Stealth Luxe Barrel + Titan Hybrid sauna (2-person) | From $14,999 ($17,499 regular) | Sauna and plunge bundle |
| Lit Method Stealth Black XL plunge + Titan sauna (4–5 person) | From $18,999 ($21,199 regular) | Sauna and plunge bundle |
| Plunge All-In + The Sauna | $18,030 ($22,980 listed value, "$4,950 off") | Plunge All-In tub and Plunge's sauna, standard for 4–5 persons or XL for 6–7 |
Two things stand out. The Redwood range on the collection page, from $12,199 to $15,699 sale, is the cheapest family of boxed combos I could verify. And one listing contradicts another: the Horizon x Denali bundle shows $14,599 on the Fire & Ice collection page but $15,599 on its own product page. A $1,000 gap on the same item is exactly the sort of thing that happens when a sale changes mid-day, and I can't tell you which one you'll see at checkout. Screenshot the price.
My arithmetic on the cheapest and dearest boxed packages: $18,999 minus $12,199 is $6,800 of spread across the pages above, so the first decision is which of those two ends of the range you are shopping in. Bundle pricing at the Plunge level also tells you something about how sellers frame value. The $22,980 figure is a listed "value", and the discount is just that value minus the price (22,980 minus 18,030 equals 4,950). I'd judge the $18,030 on its own merit.
What is inside the cheapest verified bundle
The one bundle where I got a full spec sheet is the Horizon sauna x Alaskan cold plunge at Redwood Outdoors, listed at $13,899 after a markdown from $14,599.
The sauna side lists 92½" L x 72¾" W x 76½" H, 1,150 lbs, and seating for 4–6 people depending on the seating arrangement. Heater options are a Harvia KIP at 6 kW (240V, 30A) or 8 kW (240V, 40A).
The tub side lists 57" L x 44" H x 37" W, 104 gallons, 360 lbs dry, one person, and a Balboa CLIM8ZONE Deluxe Dual Heater + Chiller with a 37°F to 104°F range. Both the sauna and the cold plunge carry a one-year limited warranty on that page. Freight is curbside, which the page defines as the crate being placed "at the end of your driveway or nearest accessible location".
Notice what is missing: the page gives no voltage or amperage for the Alaskan tub. The Denali version of the same bundle does list one, 120V and 12A max, so I'd ask Redwood in writing what the Alaskan chiller needs before you assume it matches. I could not verify that figure.
Is the bundle cheaper than buying the pieces?
For one pairing I can try, using the Horizon x Denali bundle. The Denali alone is $7,999. The bundle is $15,599 on its own page. My arithmetic: 15,599 minus 7,999 leaves $7,600 for the Horizon sauna inside the bundle. I could not open a standalone Horizon price (the product URL I tried returned an error), so I can't tell you whether $7,600 is a discount or a mark-up. If you are weighing a bundle against separate parts, ask the maker for the sauna-only and tub-only prices on the same day and do that subtraction yourself.
Against the lower collection-page figure of $14,599, the implied sauna price would be $6,600 (14,599 minus 7,999). The $1,000 swing is the same conflict I mentioned above.
Line-item budget for a sauna cold plunge setup
This is the table I wish the collection pages gave you. Items I can source carry a bracket. Items I could not source say so, and I won't put a number on them.
| Line item | Amount | Source or note |
|---|---|---|
| Sauna plus tub, Redwood Horizon x Alaskan bundle | $13,899 | |
| Same bundle, regular price before markdown | $14,599 | |
| Freight | Curbside only, fee not shown on the page | |
| 240V circuit for a 6 kW or 8 kW heater | Breaker size 30A or 40A, price could not be verified | |
| Outlet for the tub | Could not verify for the Alaskan, Denali lists 120V and 12A max | |
| Base or pad for roughly 1,150 lb sauna plus tub | Could not verify | |
| Drain run, hose, or trench | Could not verify | |
| Electrician, permit | Varies, could not verify |
A rough way to use it: take the bundle price, then ask for three quotes (electrician, base, drain) before ordering. Whatever number you get back is the part the listing doesn't show. For the sauna side alone, my sauna cost guide covers what typically sits around the price tag, and the cold plunge cost guide does the same for the tub.
Two electrical loads, not one
This is the part that surprises people. A traditional electric sauna and a chiller-equipped tub ask for different things from your panel.
On the Redwood Horizon pages, the heater choices are 6 kW at 240V and 30A, or 8 kW at 240V and 40A, and the maker says all heaters "must be installed by a certified electrician". The Denali tub lists 120V, 60Hz and 12A max, and the page calls it compatible with US standard household outlets.
My arithmetic, for comparison only: 8,000 W at 240V is about 33 amps, and 12A at 120V is 1,440 W. So the tub's ceiling is roughly 18 percent of the larger heater's wattage (1,440 / 8,000). It is a small load in watts, but it needs its own protected outlet outdoors, and I would not guess whether it can share a circuit with anything else. The Plunge bundle page says only that "once you have a licensed electrician install the required outlet, you'll be ready to plug it in," and gives no voltage or wattage.
Sun Home's saunas show how much the sauna side can vary. The Equinox 2-person infrared cabin page lists 120V on a dedicated 20A circuit with a NEMA 5-20 receptacle. If you have no spare 240V capacity, a 120V infrared sauna is the less demanding sauna half of a combo. It is a different kind of heat from a traditional sauna and the two aren't interchangeable, which my infrared vs traditional sauna guide goes through.
For running costs on the tub, I have an electricity guide here: cold plunge electricity cost.
Footprint and weight
From the Redwood pages, my arithmetic on the floor area of each unit:
- Horizon sauna: 92.5" x 72.75" is about 6,729 square inches, or 46.7 square feet.
- Denali tub: 70" x 33" is 2,310 square inches, or 16.0 square feet.
- Alaskan All-In-One: 57" x 37" is 2,109 square inches, or 14.6 square feet, assuming the 57" and 37" figures are the footprint and 44" is the height.
Together, the Horizon and the Denali take about 62.8 square feet, and the Horizon and the Alaskan about 61.4, before you add any walking space, a bench, or a place to put a towel. That's roughly a 7-by-9-foot patch of flat ground with nothing else on it. The sauna alone is listed at 1,150 lbs and the tub at 300 to 360 lbs dry. I did not find a filled-tub weight on these pages, and 80 to 104 gallons of water adds a lot, so ask the maker for the wet figure and ask a contractor whether your deck or patio can hold both.
Crates matter before the base does. The Horizon x Denali page lists a sauna crate of 96" x 42½" x 32¼" and a tub crate of 74" x 36" x 46½", and says delivery is curbside freight. If the only route to your yard is a narrow side gate or a set of stairs, that is where the day gets difficult.
Placement: how far apart, and what the floor sees
None of the pages I opened gives a recommended distance between sauna and tub, and none gives a clearance rule. What follows is my reasoning, not a maker's rule.
The walk between the two is the only thing that really sets distance. You come out of heat wet and go straight to cold. A short path that is level, drains away from the sauna door, and isn't gravel you'll feel through bare feet makes the setup something you'll use. A long lawn walk in November won't be.
Water has to go somewhere. Every drain statement I have comes from the Denali page: a drip drain for condensation and a collapsible drain with a 3/4" garden hose connection. I did not open another maker's drain spec for this page, so I can't compare. A tub that drains toward the sauna base or the house is a problem you'll solve once and regret never. Slope the pad so that water leaves.
Towels and floor. Wet towels on a cedar sauna bench is a maintenance issue I can't quantify, and I won't pretend a maker said otherwise. A hook or a covered shelf near the exit is the cheap fix. If either unit sits on a deck, ask the maker what the floor can take, since neither page I read states a flooring requirement.
Winter: the sauna keeps working, the plunge may not
The sauna isn't the winter problem. The tub is. Redwood's wording on both its Denali page and the Horizon x Alaskan page is that when temperatures drop below 32°F you "must winterize" the cold plunge to avoid ice forming in the internal components. The Denali page adds that damage caused by use below 32°F is not covered by the warranty, and lists an operating range of 32°F to 110°F.
So in a climate with hard winters, a boxed bundle can leave you with a heated cabin and a tub you have to drain. I found no sauna cold plunge combo page that promised full winter use of the tub alongside the sauna. Plunge's bundle page says its design works in a backyard or a home gym but gives no freeze rule. Lit Method's collection page lists the bundles but says nothing about freezing in what I read. If winter use is the point, ask for the freeze rule in writing before you pay. My best outdoor cold plunge page compares what each tub maker says about it, and the best portable cold plunge page covers tubs you can pack away for the season.
Decision table by yard or room type
This is my judgment, built only on the specs above.
| Your space | What I'd look at | Why |
|---|---|---|
| Backyard with room for about 62 square feet, panel with spare 240V capacity | Boxed outdoor bundle such as the Redwood Horizon pairings | Sauna and tub are listed together, 240V heater plus a 120V tub outlet |
| Backyard, tight on panel capacity | Smaller electric heater, or a 120V infrared sauna paired with a separate tub | Sun Home lists the Equinox on a dedicated 20A circuit, but check the tub's own power needs |
| Small patio or townhouse yard | Duo pairing from the Redwood list | Lowest bundle price I found ($12,199), but I have not verified its dimensions |
| Cold-winter yard, want to use the plunge in January | Ask for a written freeze rating, or plan to run the sauna alone from December | Redwood says winterize below 32°F |
| Garage or basement | A tub with a hose drain near a floor drain, plus a plug-in infrared sauna | Weather is not the issue there, drainage and 240V are |
| Rental or no electrician allowed | Portable tub plus ice, and skip the 240V sauna | Each 240V heater needs a certified electrician per the maker |
| Deck or rooftop | Hold off until a contractor confirms the load | Sauna listed at 1,150 lbs and tubs at 300–360 lbs dry before water |
If you are building a combination of a barrel sauna and a stand-alone tub, my best barrel sauna and best outdoor sauna pages cover the sauna half with sourced specs, and the main sauna and cold plunge hubs link to every other guide here.
DIY pairing math: a cheaper route, with gaps
If you assemble the pair yourself, the sticker prices can drop, but the verification gaps grow. Sun Home's collection page lists portable cold plunges at $3,799 (Vertical) and $3,999 (Horizontal), and professional units from $13,999. Its Equinox 2-person cabin page shows $6,099. My arithmetic for that pair: $6,099 plus $3,799 is $9,898.
Treat that total with suspicion. The portable-plunge page excerpt I read gave no wattage or chiller detail, so I can't tell you whether that tub needs a chiller on top, or ice, which would be an added cost I have not priced. The sauna prices are sale prices on pages that show both a regular and a lower number. And you are now responsible for two deliveries and two warranties.
Divine Saunas shows another route: its Arctic plunge tub in knotty red cedar is $2,882 on the combo page. The page gives no chiller or power information for it, so I'd read that as a tub only, and I won't build a total from it.
Health, briefly
Whether alternating heat and cold does anything for you is outside what I can judge, and the evidence is not strong. An American Medical Association piece I opened quotes an expert saying that in large meta-analyses "the evidence is really weak in terms of true, long-term benefit". The same page flags caution for people with cardiac arrhythmias, uncontrolled high blood pressure, heart disease or vascular disease. If you have a heart condition, blood pressure problems or are pregnant, talk to your doctor before buying a setup you'll use every week. A seller's page is not medical advice.
Frequently asked questions
How much does a sauna and cold plunge combo cost?
On the pages I opened, boxed packages ran from $12,199 (Redwood Duo with Alaskan) to $18,999 or more (Lit Method XL pairing, and Plunge at $18,030). That's the sticker only. Freight, electrical work, a base and a drain aren't priced on any of those pages.
Can I run a sauna and cold plunge at home on normal household power?
Maybe for part of it. The Denali tub lists 120V and 12A max and says it works with US standard household outlets, and the Sun Home Equinox lists a dedicated 20A circuit. The traditional heaters on the Redwood pages are 240V at 30A or 40A and need a certified electrician. I can't say what your panel can carry.
Is it cheaper to buy a bundle or the two separately?
I could only test one case. The Denali alone is $7,999 and the Horizon x Denali bundle is $15,599 on its page, which leaves $7,600 for the sauna by my arithmetic, but I couldn't confirm a standalone sauna price. Ask each maker for part prices on the same day.
Can I use both in winter?
The sauna can in principle. For the plunge, Redwood says to winterize below 32°F and that damage from use below that temperature is not covered by the warranty. I did not find a bundle page promising full freezing-weather use of the tub.
How much space does a sauna cold plunge setup need?
By my arithmetic, the Redwood Horizon sauna and Denali tub together take about 62.8 square feet of floor, before walkways. Add room for the door swing, the drain and a place for towels. The crates are large enough to need a clear route into the yard.
What I could not verify
- Any electrician, pad, permit or drain cost. None of the pages price them.
- Power draw for the Alaskan All-In-One tub. The page I opened gave a chiller model but no voltage or amps.
- A standalone Horizon sauna price, because that product page returned an error.
- Which Horizon x Denali price is right: $14,599 on the collection page, $15,599 on the product page.
- Filled weight of any tub, and any recommended distance between sauna and tub.
- Specs, dimensions and heater details for the Lit Method and Plunge bundles beyond what the collection and product pages state.
- Whether a Sun Home portable tub needs a chiller or ice, which the collection page does not say.
- Pages for Almost Heaven, SaunaLife and Dynamic bundles. I did not open a bundle page from any of them, so I left them out.
What I would do
If I wanted a sauna cold plunge combo this year, with a flat yard and a panel an electrician had already blessed, I'd start with the Redwood Horizon x Alaskan bundle at $13,899 and ask three questions before paying: what the Alaskan chiller draws, whether the sale price holds at checkout, and whether the tub's warranty covers winter use. I'd plan on draining the tub every winter and budget for the electrician and base separately, then compare that all-in number against a DIY pairing. If the panel can't take a 240V heater, I'd look at a 120V infrared sauna and a separate tub, and I'd ask a doctor before settling on any of it.