Cara & Brody
Thermal Suite Designer
Thermal Suite° · Sauna + Plunge · Essential
Thermal Suite Essential.
Sauna and horizontal cold plunge, side by side. The contrast loop in one envelope, built for the daily ritual, not the photograph.
- Capacity
- 4–6 person
- Footprint
- 16’3" × 8’3"
- Electrical
- 240V · 50A
- Build time
- 8–10 weeks
HUUM IKI Pillar
Heat the body settles into.
Floor-standing Finnish heater wrapped in diabase stone. Slow, even, all-day heat. UKU Wi-Fi remote so the cabin is ready when you walk out the back door.
- Power
- 9.0 kW · 240V · 50A
- Stones
- ≈ 250 lbs diabase
- Control
- UKU Wi-Fi · wall + app
- Heat range
- 160–195°F
Horizontal Cold Plunge
Side-by-side. Steps apart.
A horizontal plunge sized for full immersion, placed right alongside the sauna. The Thermal Suite layout makes the contrast loop a 4-step walk, not a drive across town.
- Set range
- 38–55°F
- Capacity
- Single user, horizontal
- Chiller
- 1 hp integrated
- Filtration
- 20µm + UV-C + ozone
Key features
Warm by the time you reach the door.
Start it from your phone on the drive home. Walk in to a cabin already holding temperature, with the cold plunge room steps away. Wifi control, every session.
- Start
- Remote · app
- Connectivity
- Wifi enabled
- Temperature
- 175-194°F
- Layout
- Cold plunge room
build quality
Built for Future Generations. 25-year+ material lifetime.
Where a barrel sauna fails in a decade, New Primitive structures are built to permanent residential construction standards. Engineered timber frame, 50-year cladding warranty, kiln-dried cedar interior.
- Frame
- Engineered timber
- Cladding
- 50-yr Accoya warranty
- Interior
- Knotty Cedar
- Design life
- 25+ years
One envelope. Two zones.
Sauna and horizontal plunge under one roof. Steps apart. 16’3" long. Sits on a level pad.
One envelope means sauna and cold plunge are steps apart, not structures apart. The contrast protocol stays intact, every session.
Overall dimensions
16’3" L × 8’3" D × 9’10" H
≈ 134 sq ft footprint. Single envelope, two zones.
Electrical
240V · 50A
Single sub-panel, dedicated circuits. RCD protected.
Plumbing
Optional rough-in
Cold plunge supply coordinated on site. Porch shower add-on adds hot & cold.
Lighting
2200K · CRI ≥ 95
Dim-to-warm LED. Lutron Caséta · 3 scenes.
Choose your finishes.
The defaults are dialed. Selections preview live and update the estimate.
What you’re paying for.
Real numbers, on the page. The reservation deposit is the only payment that happens online today.
Thermal Suite Essential · Base16’3" envelope · 4–6 person sauna · horizontal cold plunge
$65,000IKI 9 kW Pillar heaterUKU Wi-Fi controller
IncludedPartnered with Cold Life Horizontal plungeIntegrated chiller · filtration · controls
IncludedConfigured upgrades + add-onsReflects your selections above
$0Delivery + craneCoordinated with site access · per zip
$5,800 est.Estimated total · before tax$60,800
"My nervous system has a home now."
Cara, Thermal Suite owner · Salt Lake City, UT Read her story →
Questions we hear most.
Horizontal vs. vertical plunge, what’s the difference?
Horizontal is full-immersion, lying back, better for total-body cold exposure and shoulder relief. Vertical is upright, smaller footprint, and shorter dunks. The Thermal Suite uses horizontal; the Thermal Suite Designer uses vertical. Both run 38–55°F.
What electrical do I need on site?
240V · 50A dedicated sub-panel with RCD protection. Your local electrician pulls the permit and runs the feeder. We provide the drawings; your GC executes.
Foundation requirements?
Level pad, concrete, stone, or compacted gravel with helical piers. ~134 sq ft. Foundation requirements vary by region; we spec, your GC coordinates.
Will it work in my climate?
Yes, lower 48. Charred Accoya is weather-resistant from desert sun to snow load. Cold zones may add a winter cover for the plunge inlet.
Heat-up time?
~35–45 minutes from cold start to ~180°F. UKU Wi-Fi remote start gets it ready while you finish dinner.
After I reserve?
Within 2 business days, Cole or Shane reaches out personally, no automation, to schedule a planning call. The $450 is refundable for 14 days and applies to your production deposit.
Real installs. Real days.
Jeff
Thermal Suite
Matt Gay
212 Designer
Josh Bridges
Primitive Retreat
Mitch
Delivery day
The Practice
A daily ritual
Reserve your build slot.
$450 today. A real conversation within 2 business days. Production starts after design approval, not before.
Not sure if Thermal Suite is the right fit? Take the Quiz →Gallery
Thermal Suite Essential, up close.
The build, the install, and the daily practice, photographed across New Primitive owners.
Make it yours
Add-ons for the ritual.
Find your match.
Take the product quiz
Three minutes to find the right sauna and cold plunge for your space.
Browse the lineup
Hand-built saunas and cold-plunge suites across three tiers. From $29k.
Materials and finishes
Charred Accoya, ASH, Pine, Slatted Cedar, Primitive Panel.
Owner stories
Real saunas and cold plunges installed in real backyards.
FAQs
Timeline, cost, permits, delivery, warranty. Straight answers.
Reserve a build slot
$450 deposit. A conversation with Cole or Shane within 2 business days.