Cara & Brody
Thermal Suite Designer
Thermal° · Sauna + Plunge · Designer · The Flagship
Thermal Suite Designer.
The full ritual in one architectural envelope. Sauna, vertical cold, red light, sound, hand-built in our Utah dry factory and delivered to your site.
- Capacity
- 4–6 person
- Footprint
- 16’6" × 8’3"
- Electrical
- 240V · 60A
- Build time
- 8–10 weeks
IKI 9 kW heater
Heat the body was built around.
A floor-standing Finnish heater wrapped in 250 lbs of diabase stone. Slow, deep, all-day heat, the kind your nervous system was built around.
- Power
- 9.0 kW · 240V · 50A
- Stones
- ≈ 250 lbs diabase
- Control
- UKU Wi-Fi · wall + app
- Clearance
- 2" to slat
Partnered with Cold Life Vertical
Cold you’ll actually step into.
Aluminium basin, integrated 1 hp chiller, UV-C plus ozone filtration. Single-user, upright, designed for the daily plunge, not the photograph.
- Capacity
- ≈ 130 gal
- Set range
- 38–55°F
- Power
- 120V · 15A
- Footprint
- 34" × 34" · 43" H
Knotty Cedar
Western red. Raw. Vertical grain.
7/8" slat with a 1/2" reveal, sanded to 180 grit, no sealer, no varnish. The wood breathes with you. Floating benches, hidden fixing, integrated linear LED.
- Species
- Western Red Cedar
- Grade
- Clear · vertical grain
- Finish
- Raw · 180 grit
- Bench
- Floating · hidden fixing
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
§ 02 Anatomy Thermal° · Vol. One · 2026
One envelope. Three zones.
Cold plunge bay on the left, sauna on the right, porch entry between. 16’6" long. Sits on a level pad.
Overall dimensions
16’6" L × 8’3" D × 9’10" H
≈ 136 sq ft footprint, including the 36" porch with integrated cold plunge bay.
Electrical
240V · 60A
Single sub-panel, dedicated circuits. RCD protected.
Plumbing
Hot & cold rough-in
For porch shower add-on. Cold plunge supply optional, coordinated on site.
Lighting
2200K · CRI ≥ 95
Dim-to-warm LED. IP65 wet, IP68 submerged. Lutron Caséta · 3 scenes.
Mesa · Thermal Suite Designer in the wild
Built for the desert. The mountain. The yard.
The Thermal Suite Designer isn’t a fixed-site product, it’s a kit. Charred Accoya holds up to desert sun. The same envelope lives through Park City snow. The same ritual, anywhere your home is.
Filmed on location · Mesa, UT
Choose your finishes.
The defaults are dialed. The upgrades change the room. Your selections preview live and update the estimate.
§ 05 Investment Thermal° · Vol. One · 2026
What you’re paying for.
Real numbers, on the page. The reservation deposit is the only payment that happens online today.
Thermal Suite Designer · Base
16’6" envelope · 4–6 person sauna · vertical cold · charred exterior
$75,000
IKI 9 kW Pillar heater
Wi-Fi remote · UKU controller
Included
Partnered with Cold Life Vertical plunge
Integrated chiller · filtration · controls
Included
Configured upgrades + add-ons
Reflects your selections above
$0
Delivery + crane
Coordinated with site access · per zip
$6,200 est.
Estimated total · before tax
$81,200
"Healing isn’t a retreat anymore. It’s Tuesday."
Brody, Thermal Suite Designer owner · Park City, UT Read his story →
Real installs. Real days.
Jeff
Thermal Suite
Matt Gay
212 Designer
Josh Bridges
Primitive Retreat
Mitch
Delivery day
The Practice
A daily ritual
Questions we hear most.
How long to heat the sauna?
The IKI 9 kW heater reaches ~180°F in 35–45 minutes from cold start. With Wi-Fi remote start, you can have the cabin ready by the time you finish dinner.
What electrical do I need on site?
A dedicated 240V · 60A sub-panel with RCD protection. Your local electrician will pull a permit and run a feeder from your main panel to the suite location. We provide the electrical drawings; your GC executes.
What kind of foundation does it need?
A level pad, concrete, stone, or compacted gravel with helical piers. ~136 sq ft footprint. Foundation requirements vary by region; we provide the spec and your GC coordinates.
Will it work in my climate?
Yes. We deliver across the lower 48. The charred Accoya envelope is weather-resistant in everything from desert sun to snow load. Cold zones may add a winter cover for the plunge inlet; we’ll spec it.
Can I move it if I move?
Yes. The suite is factory-built and crane-set, it can be lifted, transported, and re-set on a new pad. Leaving no trace. We’ve done it.
What happens after I reserve?
Within 2 business days, Cole or Shane will reach out personally, no automation, to schedule a planning call. Site review, design selections, build slot scheduling. The $450 is fully refundable for 14 days and applies to your production deposit if you proceed.
Reserve your build slot.
$450 today. A real conversation within 2 business days. Production starts after design approval, not before.
Not sure if this is the right kit? Take the Quiz →Gallery
Thermal Suite Designer, 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.