A sauna in your backyard pays you back two ways. The first is money: after a couple of years, every session costs about a dollar and a half. The second matters more. When the hot room is thirty steps from your back door, you actually keep the habit.
The short answer
~2 years
That's roughly how long a $9,800 sauna takes to pay for itself if it replaces two $55 public sessions a week for one person. For a couple, it's closer to one year. After that, it's about $1.50 a session in electricity.
2026 Madison prices · MG&E rates
Set how often you'd sauna, what you'd otherwise pay, and how many people in your house would join you.
10-year totals: public $43,680 vs. owning $15,860. Owning includes the sauna's starting price, about $1.50 of MG&E electricity per session, and about $450 a year in upkeep. Site prep, power and permits vary by yard. See full costs →
Cost of owning, per person per session, as the sessions add up. The dashed line is the public price you set above.
The best sauna for your health is the one you use twice a week for twenty years. Decades of research on exercise point the same way: the closer and easier something is, the more likely you are to keep doing it.
In a study of 7,752 members of three U.S. health clubs, people on monthly plans went about 4.3 times a month. They paid more than $17 a visit when a $10-a-visit pass was available, and 80% would have saved money paying per visit.1
People predicted they'd go about 9.5 times a month. Members actually averaged about 4. Monthly members also kept paying for an average of 2.3 months after their last visit before canceling.1
Among 5,240 new members of one gym tracked over nine years, 63% dropped out within three months, and fewer than 4% stayed active for a full year.2
In a two-year randomized trial of adults aged 50–65, 68% of those exercising at home were still adhering, compared with 36% in center-based classes.3
In an 18-month trial, women who were given a treadmill at home kept exercising longer and lost about twice as much weight (7.4 kg vs 3.7 kg) as a comparable group without one.4
A new daily habit took a median of 66 days to become automatic (range 18–254).5 Among new gym members, it took at least four sessions a week for six weeks to form an exercise habit.6 Repetition is easiest when nothing stands in the way.
In location data from millions of phones, people who went to the gym five or more times a month lived a median 3.7 miles away, versus 5.1 miles for once-a-month visitors.7 Your backyard is about 0.01 miles away.
Finland has about 3.3 million saunas for 5.5 million people, more than one for every two Finns.8 The landmark Finnish health studies followed people for whom sauna was simply part of the week.9
No study has compared home and public sauna users directly. The evidence above comes from exercise and habit research. We think it applies, because a sauna session is a habit like any other, but it isn't sauna-specific proof.
Home equipment can gather dust too. Surveys suggest plenty of home exercise machines go underused. A sauna has an edge: it's a reward, not a chore. Still, the habit is yours to build.
We love Madison's public saunas, and we wrote a whole guide to them. Plenty of our customers still go for the social sessions. Here's what changes when there's also one at home.
Ten minutes after work, or 6am before anyone's up. No reservation window, no two-hour slot, no drive across the isthmus in January.
Public sessions are priced per person. At home, a couple's sauna costs the same as a solo one, and the kids can come in for a short, cooler round.
The habit gets anchored to your own routine: dinner, sauna, snowbank, sleep. Anchoring is how habits stick.
Your temperature, your löyly, your music or silence. Wood-fired or electric, as hot as you like it.
A well-kept barrel sauna lasts for decades, and its heater 10–15 years or more. Upkeep runs a few hundred dollars a year.
Friends come over for the sauna and stay for dinner. The backyard sauna is the new back porch.
If you'd use a sauna regularly, usually yes. Twice a week at a $55 public session is about $5,700 a year for one person. A backyard sauna costs about $1.50 per session to heat on MG&E power plus a few hundred dollars a year in upkeep, so a typical installed sauna pays for itself in about two to four years for one regular user, and faster for couples and families.
For one person replacing two $55 sessions a week, a $9,800 sauna pays back in a little over two years. For two people sharing it, about a year. Fewer, cheaper public sessions stretch the payback; more people and more frequent use shorten it.
Research on exercise habits suggests convenience matters a lot. In a two-year randomized trial, 68% of people exercising at home were still sticking with it versus 36% in center-based classes. Gym members in a large study went about four times a month despite paying for unlimited access. No study has compared home and public sauna users directly, but the same friction applies.
There's no reliable data on resale premiums, so we'd never sell one to you on that basis. Buy a sauna to use it. A well-built, permitted sauna is a lovely selling point, and a barrel sauna can move with you.