ThermaSol Spectra Outdoor Sauna Cabin (3-4 Person)

Sculptural by Day, a Retreat by Evening

A sauna doesn't have to hide at the back of the yard. The Spectra is built to be looked at.

Compact and sharply modern, it makes a sculptural statement in a garden, on a patio, or at the edge of a terrace - a mirror-dark glass façade set into warm, thermally modified Tyrol wood with black aluminum framing. From the outside it reads as architecture; the dark Parsol glass reflects the sky and the trees while keeping the interior entirely private. Step inside and the same space turns intimate and quiet.

Brushed Tyrol wood walls wrap a cabin warmed by smooth thermo-aspen benches - a wood chosen because it stays comfortable to the touch even at full heat, and stable against moisture year after year. The Harvia Virta builds a deep, even warmth, and the Xenio control lets you schedule sessions and pre-heat from your phone, so the cabin is glowing and ready by the time you cross the lawn. Colored light shifts the mood from bright and clear to low and golden, and the glass wall does the rest: by day it frames the garden, by night it holds the dark out.

It's built to live outdoors in every season. Layered wood-fiber insulation keeps the heat where it belongs, and a Firestone EPDM roof shrugs off rain, snow, and sun year after year. There's no build to schedule and no kit to puzzle over - the Spectra arrives as a finished cabin, craned into place in an afternoon, and from that day forward it's simply there: a fixed point at the end of the garden where the day gets to end properly.

For the backyard where the sauna is a centerpiece, not an afterthought - a quiet, beautiful fixture of the life you live outdoors.

• Compact, sculptural outdoor cabin with a mirror-dark glass façade - a design centerpiece, not a shed
• Thermally modified Tyrol wood exterior with black aluminum framing
• Brushed Tyrol wood interior walls with smooth thermo-aspen benches
• 34mm Parsol dark-grey glass front for privacy and solar protection
• Professional-grade Harvia sauna heat — start and schedule sessions from your phone
• 12-hour delay start and weekly scheduling - pre-heat on your terms
• RGB LED lighting with remote for personalized mood lighting
• Multi-layer wood-fiber insulation + durable Firestone EPDM roof - built for all seasons
• Compact footprint; seats 3-4
• Arrives fully assembled - no panel-by-panel build

Can the Spectra be used indoors?
No - it's designed exclusively for outdoor use. It's a fully assembled, all-season cabin for gardens, patios, and backyard spaces, with a Firestone EPDM roof and insulated construction built to live outside.

Does it really arrive fully assembled?
Yes - it ships fully assembled on a flatbed trailer, so there's no panel-by-panel build. Because it weighs over a ton, a crane is required to offload and place it, and you'll coordinate the offloading equipment. A licensed electrician wires the heater. Plan it as a scheduled installation rather than a same-day setup.

What surface can I put it on?
A firm, level surface with slight runoff for drainage - concrete, decking, pavers, or compacted gravel. On an existing deck, verify the structure can support the combined weight of the cabin, occupants, and equipment.

What electrical setup does it need?
The 8kW Harvia Virta heater runs on a dedicated 240V circuit. All electrical work must be completed by a licensed electrician.

Is it built for cold-weather / year-round use?
Yes. Multi-layer wood-fiber insulation and a durable Firestone EPDM roof are designed for all-season performance.

Can I control it from my phone?
Yes - the Harvia Xenio control offers a delay start, weekly scheduling, and Wi-Fi control through the MyHarvia app, so it's hot when you want it.

How long does the sauna take to heat up?
Most traditional saunas of this size reach bathing temperature in roughly 30–60 minutes, with outdoor conditions and season affecting timing. The Harvia Xenio control takes the waiting out of it — schedule sessions up to 12 hours ahead or start the heater remotely from the MyHarvia app, so the sauna is hot when you step outside.

What if I need assistance after delivery?
Email hello@aurelinewellness.com and our team will help with placement, installation, or operating questions after your sauna arrives.