No room or budget for a sauna? Compare the space, installation and running costs of the alternatives below without assuming they reproduce the same experience or health effects.
Short answer
Closest to a real sauna: a portable infrared sauna tent – you sit upright in full-body heat, it runs on a normal outlet and folds away. Little space: a sauna blanket, which rolls up into a cupboard. Smallest budget: a hot bath in the tub you already have (water and heating still cost money); the cheapest thing to buy is a sauna blanket, from about $100. Renovating and you like humid heat: a purpose-built steam shower. None of them recreates a hot Finnish sauna or proves the same health effects, and do not seal an ordinary bathroom to make a steam room – it traps moisture and invites mould.
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The closest thing to a sauna for a small space: an infrared tent with a folding chair, heated foot pad and remote that folds away after use. Prefer to lie down? The Lifepro sauna blanket is the alternative.
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Sauna alternatives compared
| Alternative | Equipment / cost considerations | Space | How sauna-like | Best for |
|---|---|---|---|---|
| Portable sauna | $150 to $400 | Folds away; needs a chair | High: full-body heat and a good sweat | Most people who want a home sauna feeling |
| Sauna blanket | $100 to $500 | Fits in a drawer | Medium to high: strong sweat, lying down | Small apartments |
| Purpose-built steam shower | System, enclosure and installation quote required | Suitable dedicated installation | Humid heat, not a dry sauna | Planned bathroom installations |
| Hot tub | Purchase, installation, heating and water care | Model-specific site requirements | Water immersion, not sauna air | Soaking; subject to individual suitability |
| Ordinary shower | No new equipment if already owned; water and energy still cost | Existing bathroom, with ventilation | Not a steam room | Washing, not a DIY steam enclosure |
| Bath | No new equipment if already owned; water and energy still cost | Existing bathtub | Water immersion, not sauna air | A different bathing experience |
What a sauna substitute needs to do
Start with your purpose: bathing, a humid room, a compact heat product or the Finnish sauna experience. Sweating is not a measure of equivalent benefit or safety. There is no single session duration for all these options; follow the exact equipment instructions and any individual medical advice.
What you give up is the Finnish ritual: very hot air, water on the stones and cooling off between rounds. If that is what you love, see our guide to how long and how often to use a sauna for when you do get to one.
1. Portable sauna
The closest you will get without building a sauna. Most portable saunas are infrared tents: you sit on a folding chair inside, often with your head out, and carbon heater panels warm your body directly. Infrared cabins typically run at about 110 to 135 °F (43 to 57 °C), according to Cleveland Clinic; portable tents work on the same principle, and the maximum setting depends on the model.
They set up in a few minutes, run on a normal outlet and fold down for storage. The downsides: they are cramped, the fabric feels less special than wood, and cheap models heat unevenly. Our portable sauna guide covers what to look for, and sauna blanket vs portable sauna tent helps if you cannot decide.
2. Sauna blanket
A sauna blanket is a heated sleeping-bag-style wrap that you lie in for 30 to 45 minutes. It warms you with far-infrared heating elements and gets you sweating hard, which many people find very relaxing. It is the best pick if you have no space at all: rolled up, it fits in a cupboard.
You lie still instead of sitting upright, and you need to wipe it down after every use. Read more in are sauna blankets worth it?.
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A one-person fold-up infrared sauna tent with a heated foot pad, folding chair and remote. The classic entry-level option if you want to sit upright like in a real sauna.
Check price on AmazonThe space-saving alternative: a far-infrared blanket with adjustable temperature and timer that rolls up after use. Good for small apartments and for people who prefer to lie down.
Check price on Amazon3. Steam shower
A purpose-built steam shower uses a dedicated steam generator and an enclosure designed for that system. It is not the same as running an ordinary hot shower in a closed bathroom. Ask the supplier or installer for the exact enclosure, ventilation and electrical requirements and a full installed quote.
Use the manufacturer’s instructions for the installed system rather than transferring a generic sauna duration. Our steam-room timing guide is background information, not clearance for a particular installation or person.
4. Hot tub
A hot tub heats through water rather than sauna air and needs suitable installation and water care. The CDC sets 104 °F (40 °C) as the maximum hot-tub water temperature. That is an upper limit, not a target or a guarantee of safety for every user. CDC also advises avoiding alcohol before or during use and consulting a healthcare provider during pregnancy. See sauna vs hot tub for the different formats.
5. An ordinary shower is not a steam room
Do not block a bathroom’s ventilation or seal the door gap to build up shower steam. An ordinary bathroom is not a purpose-built steam enclosure. The EPA recommends ventilation and moisture control to help prevent mould.
Use the shower normally with appropriate bathroom ventilation. There is no extra equipment purchase if you already own it, but water and energy are not free. Compare the different experiences in steam room vs hot shower.
6. Hot bath

A controlled study by Brunt and colleagues (2016) tested an eight-week hot-water programme in 20 sedentary young adults and reported improvements in vascular measures in the heat-treatment group. It was not a comparison proving that an ordinary bath delivers the same benefits as a sauna. Its research protocol should not be copied as a home bathing prescription.
A separate Japanese cohort study by Ukai and colleagues (2020) found an association between bathing frequency and cardiovascular outcomes. Being observational, it does not establish that bathing caused the difference. Neither study supplies a universal home bath temperature or duration for every person.
Which sauna alternative should you choose?
- You want the real sauna feeling: portable sauna
- You have no space: sauna blanket
- You are renovating your bathroom: steam shower
- You want to soak with friends or family: hot tub
- You do not want to buy equipment: a hot bath in your existing tub, allowing for water and energy costs
- Smallest budget for something you buy: sauna blanket (from about $100), then an entry-level portable sauna (from about $150)
Safety tips for any heat session at home
- Drink water before and after, and skip alcohol.
- Follow the maker’s time limits for portable saunas and blankets, and never fall asleep in one.
- Stop if you feel unwell; do not push through symptoms to complete a timer.
- If you are pregnant, have a heart condition or low or high blood pressure, check with your doctor first.
Sauna alternatives: FAQ
What is the cheapest sauna alternative?
A hot bath in the tub you already have, though water and heating still cost money and it is not the same as a sauna. The cheapest thing to buy is a sauna blanket, from about $100.
What is the best sauna alternative for a small apartment?
A portable infrared sauna tent or a sauna blanket. Both plug into a normal outlet, need no plumbing and fold away. See do portable saunas really work for the trade-offs.
Is a steam room a good sauna alternative?
A purpose-built steam room offers a different, humid environment. Use its operating instructions; do not try to create one by sealing an ordinary bathroom.
Is a hot tub as good as a sauna?
They are different environments, and this guide does not establish equal health benefits. The CDC hot-tub temperature ceiling of 104 °F (40 °C) is not a personal safety clearance.
Does a hot bath provide the same benefits as a sauna?
The study cited here tested a specific hot-water programme in a small group. It did not establish that an ordinary bath and a sauna provide identical benefits.
When is a real sauna worth it instead?
If you would use it three or more times a week for years. Use our sauna picker to find the right type and the sauna build cost calculator to estimate the budget.
Whichever sauna alternative you choose, keep sessions short at first and time them. Our free sauna timer runs heat and cool-down rounds on your phone.
Sources
- Brunt VE, et al. Passive heat therapy improves endothelial function, arterial stiffness and blood pressure in sedentary humans. J Physiol, 2016
- Ukai T, et al. Habitual tub bathing and risks of incident coronary heart disease and stroke. Heart, 2020
- CDC: What you can do to stay healthy in hot tubs
- US EPA: A brief guide to mold, moisture and your home
- Cleveland Clinic: Infrared sauna benefits (operating temperatures)
Editorial note: this guide is general information for healthy adults, not medical advice. If you have a health condition, are pregnant or take regular medication, check with your doctor before using a sauna.