How to choose a sauna: the complete 2026 buying guide

A sauna is a long-term fixture, not an impulse buy, and the right one depends on decisions you should make in order — starting with the type, which cascades into installation, cost and the whole feel of a session. This guide walks through each decision so you end up with a sauna you'll actually use, not the one with the longest spec sheet.

Step 1: Infrared or traditional

This is the first fork and it shapes everything else.

• Infrared heats your body directly at a lower air temperature (120–160°F). Gentle, quick to warm up, and usually runs on a standard 120V outlet — the easiest to install indoors.
• Traditional heats the air to 170–195°F and lets you pour water on the rocks for steam (löyly). Authentic and intense, but needs a 240V circuit and is happiest outdoors or in a dedicated room.

Neither is better; they suit different tastes and homes. We cover this decision in depth in infrared vs traditional saunas — read it before anything else, because it changes which products you should even be looking at.

If you can't easily add a 240V circuit where the sauna will go, that single constraint usually decides the type for you: infrared on a 120V outlet.

Step 2: Installation and electrical

The gap between "plug it in this afternoon" and "book an electrician and an inspection" is the 120V/240V divide.

• 120V — most 1–2 person infrared cabins. A standard outlet; DIY-friendly. See the best 120V saunas.
• 240V — traditional electric heaters and larger cabins. Requires an electrician and often a permit.

Confirm what's available where the sauna will actually go. This is the step buyers most often discover too late.

Step 3: Size and capacity

Be honest about how many people will realistically use it at once — a "two-person" cabin is cosy for two, and manufacturers measure generously. Then check three physical things:

1. Footprint — including door swing and clearance.
2. Ceiling height — cabins are tall; verify the room.
3. Access — can it be carried to the room, or does it assemble in place?

Sizing up "just in case" costs money, space and running cost you may never use. Size for the common case.

Step 4: Materials and heater quality

Wood affects scent, durability and price:

• Cedar — aromatic, naturally weather-resistant; a common outdoor choice.
• Basswood — low-allergen and odour-neutral; good if you're scent-sensitive.
• Hemlock — budget-friendly middle ground.

For infrared, also weigh heater type and EMF: reputable brands publish low-EMF figures, and full-spectrum cabins add near-infrared over the standard far-infrared. For traditional, the heater output and stone capacity determine how it holds heat and handles steam.

Step 5: Budget — the real price tiers

Current 2026 figures from saunas in our database. Prices move with promotions.

Remember the costs beyond the sticker: delivery (heavy freight), any electrical work, and an outdoor pad for barrels. Our full breakdown is in how much does a home sauna cost?, and if $5,000 is your ceiling, start with the best saunas under $5,000.

Step 6: Indoor or outdoor

Traditional barrels like the Almost Heaven Grandview are built for outdoors and want a level, rated pad. Most infrared cabins are indoor, though some are weatherproofed. If it's going in the backyard, weigh weatherproofing and the best outdoor saunas; if indoors, prioritise a compact footprint and 120V power.

Warranty and support

Warranties range from a few years to lifetime on the structure for premium infrared brands. Because heaters and electronics are what fail, read what's covered and for how long — a lifetime cabin warranty with a short heater warranty tells you where problems are expected.

Putting it together

• Convenience-first, indoors, no electrician: a 120V infrared cabin like the Clearlight Sanctuary 2.
• Authentic high heat, outdoor space: a traditional barrel.
• Best of both, budget allowing: a full-spectrum or hybrid cabin.

When you've settled on a type and budget, put two finalists head to head — for example Clearlight Sanctuary 2 vs Sunlighten mPulse or the brand-level Sunlighten vs Clearlight — and if the sauna is part of a bigger setup, see the home recovery room guide.