Before you fall in love with a specific sauna, make sure it fits — not just the room, but the doorways and stairs on the way in. Here's exactly how much space a home infrared sauna needs and how to measure for it.
Footprint by size
- 1-person: roughly a 3' x 4' footprint.
- 2-person: roughly 4' x 4'.
- 3–5 person: plan for progressively wider and deeper cabins; outdoor models especially.
Clearance and ceiling height
Leave 2–4 inches on the sides for airflow and 8–10 inches above the unit for ventilation. Most cabins are around 75 inches tall, so a standard 8-foot ceiling is comfortable. Check basements and attics, where ceilings can be lower.
Electrical requirements
- Most 1–2 person saunas: plug into a standard 120V/15A household outlet — no electrician needed.
- Larger 3+ person or some premium models: may need a 120V/20A or 240V dedicated circuit, adding roughly $200–$500 in installation.
Always confirm the electrical spec on the product page before buying.
The delivery path — the step people forget
Sauna panels are heavy (a full unit can total 250–400+ lbs across multiple boxes). Measure the entire route: front door, hallways, stair width and turns, and the door into the final room. A sauna that fits the corner perfectly is no use if it can't get through the hallway.
Best placement ideas
- Spare bedroom or home office corner
- Finished basement (check ceiling height)
- Home gym next to your workout space
- Primary bathroom or ensuite for shower-then-sauna convenience
Quick pre-purchase checklist
- Measured floor footprint + side clearance
- Confirmed ceiling height (unit height + 8–10")
- Verified outlet type and circuit
- Measured the full delivery path
Tight on space? A 1-person model like the Purity-901GHC fits most corners. Ready to browse by size? See the full Sitvera collection.